/bb-includes/backpress/functions.formatting.php
PHP | 1942 lines | 1220 code | 154 blank | 568 comment | 173 complexity | 0af39249db48e6c5c274cb0a085b530d MD5 | raw file
- <?php
- // Last sync [WP12504]
- /**
- * From WP wp-includes/formatting.php
- *
- * Missing functions are indicated in comments
- */
- /**
- * Main BackPress Formatting API.
- *
- * Handles many functions for formatting output.
- *
- * @package BackPress
- **/
- if ( !function_exists( 'wptexturize' ) ) :
- /**
- * Replaces common plain text characters into formatted entities
- *
- * As an example,
- * <code>
- * 'cause today's effort makes it worth tomorrow's "holiday"...
- * </code>
- * Becomes:
- * <code>
- * ’cause today’s effort makes it worth tomorrow’s “holiday”…
- * </code>
- * Code within certain html blocks are skipped.
- *
- * @since 0.71
- * @uses $wp_cockneyreplace Array of formatted entities for certain common phrases
- *
- * @param string $text The text to be formatted
- * @return string The string replaced with html entities
- */
- function wptexturize($text) {
- global $wp_cockneyreplace;
- static $static_setup = false, $opening_quote, $closing_quote, $default_no_texturize_tags, $default_no_texturize_shortcodes, $static_characters, $static_replacements, $dynamic_characters, $dynamic_replacements;
- $output = '';
- $curl = '';
- $textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
- $stop = count($textarr);
-
- // No need to setup these variables more than once
- if (!$static_setup) {
- /* translators: opening curly quote */
- $opening_quote = _x('“', 'opening curly quote');
- /* translators: closing curly quote */
- $closing_quote = _x('”', 'closing curly quote');
- $default_no_texturize_tags = array('pre', 'code', 'kbd', 'style', 'script', 'tt');
- $default_no_texturize_shortcodes = array('code');
- // if a plugin has provided an autocorrect array, use it
- if ( isset($wp_cockneyreplace) ) {
- $cockney = array_keys($wp_cockneyreplace);
- $cockneyreplace = array_values($wp_cockneyreplace);
- } else {
- $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause");
- $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause");
- }
- $static_characters = array_merge(array('---', ' -- ', '--', ' - ', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney);
- $static_replacements = array_merge(array('—', ' — ', '–', ' – ', 'xn--', '…', $opening_quote, '’s', $closing_quote, ' ™'), $cockneyreplace);
- $dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|[([{<]|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A|[([{<])"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/');
- $dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1' . $opening_quote . '$2', $closing_quote . '$1', '’$1', '$1×$2');
- $static_setup = true;
- }
- // Transform into regexp sub-expression used in _wptexturize_pushpop_element
- // Must do this everytime in case plugins use these filters in a context sensitive manner
- $no_texturize_tags = '(' . implode('|', apply_filters('no_texturize_tags', $default_no_texturize_tags) ) . ')';
- $no_texturize_shortcodes = '(' . implode('|', apply_filters('no_texturize_shortcodes', $default_no_texturize_shortcodes) ) . ')';
- $no_texturize_tags_stack = array();
- $no_texturize_shortcodes_stack = array();
- for ( $i = 0; $i < $stop; $i++ ) {
- $curl = $textarr[$i];
- if ( !empty($curl) && '<' != $curl{0} && '[' != $curl{0}
- && empty($no_texturize_shortcodes_stack) && empty($no_texturize_tags_stack)) {
- // This is not a tag, nor is the texturization disabled
- // static strings
- $curl = str_replace($static_characters, $static_replacements, $curl);
- // regular expressions
- $curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl);
- } elseif (!empty($curl)) {
- /*
- * Only call _wptexturize_pushpop_element if first char is correct
- * tag opening
- */
- if ('<' == $curl{0})
- _wptexturize_pushpop_element($curl, $no_texturize_tags_stack, $no_texturize_tags, '<', '>');
- elseif ('[' == $curl{0})
- _wptexturize_pushpop_element($curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes, '[', ']');
- }
- $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl);
- $output .= $curl;
- }
- return $output;
- }
- endif;
- if ( !function_exists( '_wptexturize_pushpop_element' ) ) :
- /**
- * Search for disabled element tags. Push element to stack on tag open and pop
- * on tag close. Assumes first character of $text is tag opening.
- *
- * @access private
- * @since 2.9.0
- *
- * @param string $text Text to check. First character is assumed to be $opening
- * @param array $stack Array used as stack of opened tag elements
- * @param string $disabled_elements Tags to match against formatted as regexp sub-expression
- * @param string $opening Tag opening character, assumed to be 1 character long
- * @param string $opening Tag closing character
- * @return object
- */
- function _wptexturize_pushpop_element($text, &$stack, $disabled_elements, $opening = '<', $closing = '>') {
- // Check if it is a closing tag -- otherwise assume opening tag
- if (strncmp($opening . '/', $text, 2)) {
- // Opening? Check $text+1 against disabled elements
- if (preg_match('/^' . $disabled_elements . '\b/', substr($text, 1), $matches)) {
- /*
- * This disables texturize until we find a closing tag of our type
- * (e.g. <pre>) even if there was invalid nesting before that
- *
- * Example: in the case <pre>sadsadasd</code>"baba"</pre>
- * "baba" won't be texturize
- */
- array_push($stack, $matches[1]);
- }
- } else {
- // Closing? Check $text+2 against disabled elements
- $c = preg_quote($closing, '/');
- if (preg_match('/^' . $disabled_elements . $c . '/', substr($text, 2), $matches)) {
- $last = array_pop($stack);
- // Make sure it matches the opening tag
- if ($last != $matches[1])
- array_push($stack, $last);
- }
- }
- }
- endif;
- if ( !function_exists( 'clean_pre' ) ) :
- /**
- * Accepts matches array from preg_replace_callback in wpautop() or a string.
- *
- * Ensures that the contents of a <<pre>>...<</pre>> HTML block are not
- * converted into paragraphs or line-breaks.
- *
- * @since 1.2.0
- *
- * @param array|string $matches The array or string
- * @return string The pre block without paragraph/line-break conversion.
- */
- function clean_pre($matches) {
- if ( is_array($matches) )
- $text = $matches[1] . $matches[2] . "</pre>";
- else
- $text = $matches;
- $text = str_replace('<br />', '', $text);
- $text = str_replace('<p>', "\n", $text);
- $text = str_replace('</p>', '', $text);
- return $text;
- }
- endif;
- // ! function wpautop()
- if ( !function_exists('seems_utf8') ) :
- /**
- * Checks to see if a string is utf8 encoded.
- *
- * NOTE: This function checks for 5-Byte sequences, UTF8
- * has Bytes Sequences with a maximum length of 4.
- *
- * @author bmorel at ssi dot fr (modified)
- * @since 1.2.1
- *
- * @param string $str The string to be checked
- * @return bool True if $str fits a UTF-8 model, false otherwise.
- */
- function seems_utf8($str) {
- $length = strlen($str);
- for ($i=0; $i < $length; $i++) {
- $c = ord($str[$i]);
- if ($c < 0x80) $n = 0; # 0bbbbbbb
- elseif (($c & 0xE0) == 0xC0) $n=1; # 110bbbbb
- elseif (($c & 0xF0) == 0xE0) $n=2; # 1110bbbb
- elseif (($c & 0xF8) == 0xF0) $n=3; # 11110bbb
- elseif (($c & 0xFC) == 0xF8) $n=4; # 111110bb
- elseif (($c & 0xFE) == 0xFC) $n=5; # 1111110b
- else return false; # Does not match any model
- for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ?
- if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
- return false;
- }
- }
- return true;
- }
- endif;
- if ( !function_exists('_wp_specialchars') ) :
- /**
- * Converts a number of special characters into their HTML entities.
- *
- * Specifically deals with: &, <, >, ", and '.
- *
- * $quote_style can be set to ENT_COMPAT to encode " to
- * ", or ENT_QUOTES to do both. Default is ENT_NOQUOTES where no quotes are encoded.
- *
- * @since 1.2.2
- *
- * @param string $string The text which is to be encoded.
- * @param mixed $quote_style Optional. Converts double quotes if set to ENT_COMPAT, both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES. Also compatible with old values; converting single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default is ENT_NOQUOTES.
- * @param string $charset Optional. The character encoding of the string. Default is false.
- * @param boolean $double_encode Optional. Whether or not to encode existing html entities. Default is false.
- * @return string The encoded text with HTML entities.
- */
- function _wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
- $string = (string) $string;
- if ( 0 === strlen( $string ) ) {
- return '';
- }
- // Don't bother if there are no specialchars - saves some processing
- if ( !preg_match( '/[&<>"\']/', $string ) ) {
- return $string;
- }
- // Account for the previous behaviour of the function when the $quote_style is not an accepted value
- if ( empty( $quote_style ) ) {
- $quote_style = ENT_NOQUOTES;
- } elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) {
- $quote_style = ENT_QUOTES;
- }
- // Store the site charset as a static to avoid multiple calls to backpress_get_option()
- if ( !$charset ) {
- static $_charset;
- if ( !isset( $_charset ) ) {
- $_charset = backpress_get_option( 'charset' );
- }
- $charset = $_charset;
- }
- if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) ) {
- $charset = 'UTF-8';
- }
- $_quote_style = $quote_style;
- if ( $quote_style === 'double' ) {
- $quote_style = ENT_COMPAT;
- $_quote_style = ENT_COMPAT;
- } elseif ( $quote_style === 'single' ) {
- $quote_style = ENT_NOQUOTES;
- }
- // Handle double encoding ourselves
- if ( !$double_encode ) {
- $string = wp_specialchars_decode( $string, $_quote_style );
- $string = preg_replace( '/&(#?x?[0-9a-z]+);/i', '|wp_entity|$1|/wp_entity|', $string );
- }
- $string = @htmlspecialchars( $string, $quote_style, $charset );
- // Handle double encoding ourselves
- if ( !$double_encode ) {
- $string = str_replace( array( '|wp_entity|', '|/wp_entity|' ), array( '&', ';' ), $string );
- }
- // Backwards compatibility
- if ( 'single' === $_quote_style ) {
- $string = str_replace( "'", ''', $string );
- }
- return $string;
- }
- endif;
- if ( !function_exists( 'wp_specialchars_decode' ) ) :
- /**
- * Converts a number of HTML entities into their special characters.
- *
- * Specifically deals with: &, <, >, ", and '.
- *
- * $quote_style can be set to ENT_COMPAT to decode " entities,
- * or ENT_QUOTES to do both " and '. Default is ENT_NOQUOTES where no quotes are decoded.
- *
- * @since 2.8
- *
- * @param string $string The text which is to be decoded.
- * @param mixed $quote_style Optional. Converts double quotes if set to ENT_COMPAT, both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES. Also compatible with old _wp_specialchars() values; converting single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default is ENT_NOQUOTES.
- * @return string The decoded text without HTML entities.
- */
- function wp_specialchars_decode( $string, $quote_style = ENT_NOQUOTES ) {
- $string = (string) $string;
- if ( 0 === strlen( $string ) ) {
- return '';
- }
- // Don't bother if there are no entities - saves a lot of processing
- if ( strpos( $string, '&' ) === false ) {
- return $string;
- }
- // Match the previous behaviour of _wp_specialchars() when the $quote_style is not an accepted value
- if ( empty( $quote_style ) ) {
- $quote_style = ENT_NOQUOTES;
- } elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) {
- $quote_style = ENT_QUOTES;
- }
- // More complete than get_html_translation_table( HTML_SPECIALCHARS )
- $single = array( ''' => '\'', ''' => '\'' );
- $single_preg = array( '/�*39;/' => ''', '/�*27;/i' => ''' );
- $double = array( '"' => '"', '"' => '"', '"' => '"' );
- $double_preg = array( '/�*34;/' => '"', '/�*22;/i' => '"' );
- $others = array( '<' => '<', '<' => '<', '>' => '>', '>' => '>', '&' => '&', '&' => '&', '&' => '&' );
- $others_preg = array( '/�*60;/' => '<', '/�*62;/' => '>', '/�*38;/' => '&', '/�*26;/i' => '&' );
- if ( $quote_style === ENT_QUOTES ) {
- $translation = array_merge( $single, $double, $others );
- $translation_preg = array_merge( $single_preg, $double_preg, $others_preg );
- } elseif ( $quote_style === ENT_COMPAT || $quote_style === 'double' ) {
- $translation = array_merge( $double, $others );
- $translation_preg = array_merge( $double_preg, $others_preg );
- } elseif ( $quote_style === 'single' ) {
- $translation = array_merge( $single, $others );
- $translation_preg = array_merge( $single_preg, $others_preg );
- } elseif ( $quote_style === ENT_NOQUOTES ) {
- $translation = $others;
- $translation_preg = $others_preg;
- }
- // Remove zero padding on numeric entities
- $string = preg_replace( array_keys( $translation_preg ), array_values( $translation_preg ), $string );
- // Replace characters according to translation table
- return strtr( $string, $translation );
- }
- endif;
- if ( !function_exists( 'wp_check_invalid_utf8' ) ) :
- /**
- * Checks for invalid UTF8 in a string.
- *
- * @since 2.8
- *
- * @param string $string The text which is to be checked.
- * @param boolean $strip Optional. Whether to attempt to strip out invalid UTF8. Default is false.
- * @return string The checked text.
- */
- function wp_check_invalid_utf8( $string, $strip = false ) {
- $string = (string) $string;
- if ( 0 === strlen( $string ) ) {
- return '';
- }
- // Store the site charset as a static to avoid multiple calls to backpress_get_option()
- static $is_utf8;
- if ( !isset( $is_utf8 ) ) {
- $is_utf8 = in_array( backpress_get_option( 'charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) );
- }
- if ( !$is_utf8 ) {
- return $string;
- }
- // Check for support for utf8 in the installed PCRE library once and store the result in a static
- static $utf8_pcre;
- if ( !isset( $utf8_pcre ) ) {
- $utf8_pcre = @preg_match( '/^./u', 'a' );
- }
- // We can't demand utf8 in the PCRE installation, so just return the string in those cases
- if ( !$utf8_pcre ) {
- return $string;
- }
- // preg_match fails when it encounters invalid UTF8 in $string
- if ( 1 === @preg_match( '/^./us', $string ) ) {
- return $string;
- }
- // Attempt to strip the bad chars if requested (not recommended)
- if ( $strip && function_exists( 'iconv' ) ) {
- return iconv( 'utf-8', 'utf-8', $string );
- }
- return '';
- }
- endif;
- if ( !function_exists('utf8_uri_encode') ) :
- /**
- * Encode the Unicode values to be used in the URI.
- *
- * @since 1.5.0
- *
- * @param string $utf8_string
- * @param int $length Max length of the string
- * @return string String with Unicode encoded for URI.
- */
- function utf8_uri_encode( $utf8_string, $length = 0 ) {
- $unicode = '';
- $values = array();
- $num_octets = 1;
- $unicode_length = 0;
- $string_length = strlen( $utf8_string );
- for ($i = 0; $i < $string_length; $i++ ) {
- $value = ord( $utf8_string[ $i ] );
- if ( $value < 128 ) {
- if ( $length && ( $unicode_length >= $length ) )
- break;
- $unicode .= chr($value);
- $unicode_length++;
- } else {
- if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3;
- $values[] = $value;
- if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length )
- break;
- if ( count( $values ) == $num_octets ) {
- if ($num_octets == 3) {
- $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
- $unicode_length += 9;
- } else {
- $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
- $unicode_length += 6;
- }
- $values = array();
- $num_octets = 1;
- }
- }
- }
- return $unicode;
- }
- endif;
- if ( !function_exists('remove_accents') ) :
- /**
- * Converts all accent characters to ASCII characters.
- *
- * If there are no accent characters, then the string given is just returned.
- *
- * @since 1.2.1
- *
- * @param string $string Text that might have accent characters
- * @return string Filtered string with replaced "nice" characters.
- */
- function remove_accents($string) {
- if ( !preg_match('/[\x80-\xff]/', $string) )
- return $string;
- if (seems_utf8($string)) {
- $chars = array(
- // Decompositions for Latin-1 Supplement
- chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
- chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
- chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
- chr(195).chr(135) => 'C', chr(195).chr(136) => 'E',
- chr(195).chr(137) => 'E', chr(195).chr(138) => 'E',
- chr(195).chr(139) => 'E', chr(195).chr(140) => 'I',
- chr(195).chr(141) => 'I', chr(195).chr(142) => 'I',
- chr(195).chr(143) => 'I', chr(195).chr(145) => 'N',
- chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
- chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
- chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
- chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
- chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
- chr(195).chr(159) => 's', chr(195).chr(160) => 'a',
- chr(195).chr(161) => 'a', chr(195).chr(162) => 'a',
- chr(195).chr(163) => 'a', chr(195).chr(164) => 'a',
- chr(195).chr(165) => 'a', chr(195).chr(167) => 'c',
- chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
- chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
- chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
- chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
- chr(195).chr(177) => 'n', chr(195).chr(178) => 'o',
- chr(195).chr(179) => 'o', chr(195).chr(180) => 'o',
- chr(195).chr(181) => 'o', chr(195).chr(182) => 'o',
- chr(195).chr(182) => 'o', chr(195).chr(185) => 'u',
- chr(195).chr(186) => 'u', chr(195).chr(187) => 'u',
- chr(195).chr(188) => 'u', chr(195).chr(189) => 'y',
- chr(195).chr(191) => 'y',
- // Decompositions for Latin Extended-A
- chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
- chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
- chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
- chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
- chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
- chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
- chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
- chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
- chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
- chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
- chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
- chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
- chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
- chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
- chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
- chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
- chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
- chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
- chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
- chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
- chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
- chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
- chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
- chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
- chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
- chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
- chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
- chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
- chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
- chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
- chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
- chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
- chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
- chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
- chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
- chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
- chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
- chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
- chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
- chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
- chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
- chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
- chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
- chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
- chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
- chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
- chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
- chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
- chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
- chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
- chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
- chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
- chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
- chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
- chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
- chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
- chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
- chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
- chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
- chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
- chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
- chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
- chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
- chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
- // Euro Sign
- chr(226).chr(130).chr(172) => 'E',
- // GBP (Pound) Sign
- chr(194).chr(163) => '');
- $string = strtr($string, $chars);
- } else {
- // Assume ISO-8859-1 if not UTF-8
- $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)
- .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)
- .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)
- .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)
- .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)
- .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)
- .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)
- .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)
- .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)
- .chr(252).chr(253).chr(255);
- $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
- $string = strtr($string, $chars['in'], $chars['out']);
- $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
- $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
- $string = str_replace($double_chars['in'], $double_chars['out'], $string);
- }
- return $string;
- }
- endif;
- // ! function sanitize_file_name()
- if ( !function_exists('sanitize_user') ) :
- /**
- * Sanitize username stripping out unsafe characters.
- *
- * If $strict is true, only alphanumeric characters (as well as _, space, ., -,
- * @) are returned.
- * Removes tags, octets, entities, and if strict is enabled, will remove all
- * non-ASCII characters. After sanitizing, it passes the username, raw username
- * (the username in the parameter), and the strict parameter as parameters for
- * the filter.
- *
- * @since 2.0.0
- * @uses apply_filters() Calls 'sanitize_user' hook on username, raw username,
- * and $strict parameter.
- *
- * @param string $username The username to be sanitized.
- * @param bool $strict If set limits $username to specific characters. Default false.
- * @return string The sanitized username, after passing through filters.
- */
- function sanitize_user( $username, $strict = false ) {
- $raw_username = $username;
- $username = wp_strip_all_tags($username);
- // Kill octets
- $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username);
- $username = preg_replace('/&.+?;/', '', $username); // Kill entities
- // If strict, reduce to ASCII for max portability.
- if ( $strict )
- $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username);
- // Consolidate contiguous whitespace
- $username = preg_replace('|\s+|', ' ', $username);
- return apply_filters('sanitize_user', $username, $raw_username, $strict);
- }
- endif;
- if ( !function_exists('sanitize_title') ) :
- /**
- * Sanitizes title or use fallback title.
- *
- * Specifically, HTML and PHP tags are stripped. Further actions can be added
- * via the plugin API. If $title is empty and $fallback_title is set, the latter
- * will be used.
- *
- * @since 1.0.0
- *
- * @param string $title The string to be sanitized.
- * @param string $fallback_title Optional. A title to use if $title is empty.
- * @return string The sanitized string.
- */
- function sanitize_title($title, $fallback_title = '') {
- $raw_title = $title;
- $title = strip_tags($title);
- $title = apply_filters('sanitize_title', $title, $raw_title);
- if ( '' === $title || false === $title )
- $title = $fallback_title;
- return $title;
- }
- endif;
- if ( !function_exists('sanitize_title_with_dashes') ) :
- /**
- * Sanitizes title, replacing whitespace with dashes.
- *
- * Limits the output to alphanumeric characters, underscore (_) and dash (-).
- * Whitespace becomes a dash.
- *
- * @since 1.2.0
- *
- * @param string $title The title to be sanitized.
- * @return string The sanitized title.
- */
- function sanitize_title_with_dashes($title) {
- $title = strip_tags($title);
- // Preserve escaped octets.
- $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
- // Remove percent signs that are not part of an octet.
- $title = str_replace('%', '', $title);
- // Restore octets.
- $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);
- $title = remove_accents($title);
- if (seems_utf8($title)) {
- if (function_exists('mb_strtolower')) {
- $title = mb_strtolower($title, 'UTF-8');
- }
- $title = utf8_uri_encode($title, 200);
- }
- $title = strtolower($title);
- $title = preg_replace('/&.+?;/', '', $title); // kill entities
- $title = str_replace('.', '-', $title);
- $title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
- $title = preg_replace('/\s+/', '-', $title);
- $title = preg_replace('|-+|', '-', $title);
- $title = trim($title, '-');
- return $title;
- }
- endif;
- // ! function sanitize_sql_orderby()
- // ! function sanitize_html_class()
- // ! function convert_chars()
- // ! function funky_javascript_callback()
- // ! function funky_javascript_fix()
- // ! function balanceTags()
- if ( !function_exists( 'force_balance_tags' ) ) :
- /**
- * Balances tags of string using a modified stack.
- *
- * @since 2.0.4
- *
- * @author Leonard Lin <leonard@acm.org>
- * @license GPL v2.0
- * @copyright November 4, 2001
- * @version 1.1
- * @todo Make better - change loop condition to $text in 1.2
- * @internal Modified by Scott Reilly (coffee2code) 02 Aug 2004
- * 1.1 Fixed handling of append/stack pop order of end text
- * Added Cleaning Hooks
- * 1.0 First Version
- *
- * @param string $text Text to be balanced.
- * @return string Balanced text.
- */
- function force_balance_tags( $text ) {
- $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
- $single_tags = array('br', 'hr', 'img', 'input'); //Known single-entity/self-closing tags
- $nestable_tags = array('blockquote', 'div', 'span'); //Tags that can be immediately nested within themselves
- # WP bug fix for comments - in case you REALLY meant to type '< !--'
- $text = str_replace('< !--', '< !--', $text);
- # WP bug fix for LOVE <3 (and other situations with '<' before a number)
- $text = preg_replace('#<([0-9]{1})#', '<$1', $text);
- while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
- $newtext .= $tagqueue;
- $i = strpos($text,$regex[0]);
- $l = strlen($regex[0]);
- // clear the shifter
- $tagqueue = '';
- // Pop or Push
- if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag
- $tag = strtolower(substr($regex[1],1));
- // if too many closing tags
- if($stacksize <= 0) {
- $tag = '';
- //or close to be safe $tag = '/' . $tag;
- }
- // if stacktop value = tag close value then pop
- else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
- $tag = '</' . $tag . '>'; // Close Tag
- // Pop
- array_pop ($tagstack);
- $stacksize--;
- } else { // closing tag not at top, search for it
- for ($j=$stacksize-1;$j>=0;$j--) {
- if ($tagstack[$j] == $tag) {
- // add tag to tagqueue
- for ($k=$stacksize-1;$k>=$j;$k--){
- $tagqueue .= '</' . array_pop ($tagstack) . '>';
- $stacksize--;
- }
- break;
- }
- }
- $tag = '';
- }
- } else { // Begin Tag
- $tag = strtolower($regex[1]);
- // Tag Cleaning
- // If self-closing or '', don't do anything.
- if((substr($regex[2],-1) == '/') || ($tag == '')) {
- }
- // ElseIf it's a known single-entity tag but it doesn't close itself, do so
- elseif ( in_array($tag, $single_tags) ) {
- $regex[2] .= '/';
- } else { // Push the tag onto the stack
- // If the top of the stack is the same as the tag we want to push, close previous tag
- if (($stacksize > 0) && !in_array($tag, $nestable_tags) && ($tagstack[$stacksize - 1] == $tag)) {
- $tagqueue = '</' . array_pop ($tagstack) . '>';
- $stacksize--;
- }
- $stacksize = array_push ($tagstack, $tag);
- }
- // Attributes
- $attributes = $regex[2];
- if($attributes) {
- $attributes = ' '.$attributes;
- }
- $tag = '<'.$tag.$attributes.'>';
- //If already queuing a close tag, then put this tag on, too
- if ($tagqueue) {
- $tagqueue .= $tag;
- $tag = '';
- }
- }
- $newtext .= substr($text,0,$i) . $tag;
- $text = substr($text,$i+$l);
- }
- // Clear Tag Queue
- $newtext .= $tagqueue;
- // Add Remaining text
- $newtext .= $text;
- // Empty Stack
- while($x = array_pop($tagstack)) {
- $newtext .= '</' . $x . '>'; // Add remaining tags to close
- }
- // WP fix for the bug with HTML comments
- $newtext = str_replace("< !--","<!--",$newtext);
- $newtext = str_replace("< !--","< !--",$newtext);
- return $newtext;
- }
- endif;
- if ( !function_exists('format_to_edit') ) :
- /**
- * Acts on text which is about to be edited.
- *
- * Unless $richedit is set, it is simply a holder for the 'format_to_edit'
- * filter. If $richedit is set true htmlspecialchars() will be run on the
- * content, converting special characters to HTMl entities.
- *
- * @since 0.71
- *
- * @param string $content The text about to be edited.
- * @param bool $richedit Whether or not the $content should pass through htmlspecialchars(). Default false.
- * @return string The text after the filter (and possibly htmlspecialchars()) has been run.
- */
- function format_to_edit($content, $richedit = false) {
- $content = apply_filters('format_to_edit', $content);
- if (! $richedit )
- $content = htmlspecialchars($content);
- return $content;
- }
- endif;
- // !format_to_post()
- if ( !function_exists( 'zeroise' ) ) :
- /**
- * Add leading zeros when necessary.
- *
- * If you set the threshold to '4' and the number is '10', then you will get
- * back '0010'. If you set the number to '4' and the number is '5000', then you
- * will get back '5000'.
- *
- * Uses sprintf to append the amount of zeros based on the $threshold parameter
- * and the size of the number. If the number is large enough, then no zeros will
- * be appended.
- *
- * @since 0.71
- *
- * @param mixed $number Number to append zeros to if not greater than threshold.
- * @param int $threshold Digit places number needs to be to not have zeros added.
- * @return string Adds leading zeros to number if needed.
- */
- function zeroise($number, $threshold) {
- return sprintf('%0'.$threshold.'s', $number);
- }
- endif;
- if ( !function_exists( 'backslashit' ) ) :
- /**
- * Adds backslashes before letters and before a number at the start of a string.
- *
- * @since 0.71
- *
- * @param string $string Value to which backslashes will be added.
- * @return string String with backslashes inserted.
- */
- function backslashit($string) {
- $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
- $string = preg_replace('/([a-z])/i', '\\\\\1', $string);
- return $string;
- }
- endif;
- if ( !function_exists( 'trailingslashit' ) ) :
- /**
- * Appends a trailing slash.
- *
- * Will remove trailing slash if it exists already before adding a trailing
- * slash. This prevents double slashing a string or path.
- *
- * The primary use of this is for paths and thus should be used for paths. It is
- * not restricted to paths and offers no specific path support.
- *
- * @since 1.2.0
- * @uses untrailingslashit() Unslashes string if it was slashed already.
- *
- * @param string $string What to add the trailing slash to.
- * @return string String with trailing slash added.
- */
- function trailingslashit($string) {
- return untrailingslashit($string) . '/';
- }
- endif;
- if ( !function_exists( 'untrailingslashit' ) ) :
- /**
- * Removes trailing slash if it exists.
- *
- * The primary use of this is for paths and thus should be used for paths. It is
- * not restricted to paths and offers no specific path support.
- *
- * @since 2.2.0
- *
- * @param string $string What to remove the trailing slash from.
- * @return string String without the trailing slash.
- */
- function untrailingslashit($string) {
- return rtrim($string, '/');
- }
- endif;
- // ! function addslashes_gpc()
- if ( !function_exists('stripslashes_deep') ) :
- /**
- * Navigates through an array and removes slashes from the values.
- *
- * If an array is passed, the array_map() function causes a callback to pass the
- * value back to the function. The slashes from this value will removed.
- *
- * @since 2.0.0
- *
- * @param array|string $value The array or string to be striped.
- * @return array|string Stripped array (or string in the callback).
- */
- function stripslashes_deep($value) {
- $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
- return $value;
- }
- endif;
- if ( !function_exists( 'urlencode_deep' ) ) :
- /**
- * Navigates through an array and encodes the values to be used in a URL.
- *
- * Uses a callback to pass the value of the array back to the function as a
- * string.
- *
- * @since 2.2.0
- *
- * @param array|string $value The array or string to be encoded.
- * @return array|string $value The encoded array (or string from the callback).
- */
- function urlencode_deep($value) {
- $value = is_array($value) ? array_map('urlencode_deep', $value) : urlencode($value);
- return $value;
- }
- endif;
- // ! function antispambot()
- if ( !function_exists( '_make_url_clickable_cb' ) ) :
- /**
- * Callback to convert URI match to HTML A element.
- *
- * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link
- * make_clickable()}.
- *
- * @since 2.3.2
- * @access private
- *
- * @param array $matches Single Regex Match.
- * @return string HTML A element with URI address.
- */
- function _make_url_clickable_cb($matches) {
- $url = $matches[2];
- $url = esc_url($url);
- if ( empty($url) )
- return $matches[0];
- return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>";
- }
- endif;
- if ( !function_exists( '_make_web_ftp_clickable_cb' ) ) :
- /**
- * Callback to convert URL match to HTML A element.
- *
- * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link
- * make_clickable()}.
- *
- * @since 2.3.2
- * @access private
- *
- * @param array $matches Single Regex Match.
- * @return string HTML A element with URL address.
- */
- function _make_web_ftp_clickable_cb($matches) {
- $ret = '';
- $dest = $matches[2];
- $dest = 'http://' . $dest;
- $dest = esc_url($dest);
- if ( empty($dest) )
- return $matches[0];
- // removed trailing [.,;:)] from URL
- if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
- $ret = substr($dest, -1);
- $dest = substr($dest, 0, strlen($dest)-1);
- }
- return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
- }
- endif;
- if ( !function_exists( '_make_email_clickable_cb' ) ) :
- /**
- * Callback to convert email address match to HTML A element.
- *
- * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link
- * make_clickable()}.
- *
- * @since 2.3.2
- * @access private
- *
- * @param array $matches Single Regex Match.
- * @return string HTML A element with email address.
- */
- function _make_email_clickable_cb($matches) {
- $email = $matches[2] . '@' . $matches[3];
- return $matches[1] . "<a href=\"mailto:$email\">$email</a>";
- }
- endif;
- if ( !function_exists( 'make_clickable' ) ) :
- /**
- * Convert plaintext URI to HTML links.
- *
- * Converts URI, www and ftp, and email addresses. Finishes by fixing links
- * within links.
- *
- * @since 0.71
- *
- * @param string $ret Content to convert URIs.
- * @return string Content with converted URIs.
- */
- function make_clickable($ret) {
- $ret = ' ' . $ret;
- // in testing, using arrays here was found to be faster
- $ret = preg_replace_callback('#(?<=[\s>])(\()?([\w]+?://(?:[\w\\x80-\\xff\#$%&~/=?@\[\](+-]|[.,;:](?![\s<]|(\))?([\s]|$))|(?(1)\)(?![\s<.,;:]|$)|\)))+)#is', '_make_url_clickable_cb', $ret);
- $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret);
- $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret);
- // this one is not in an array because we need it to run last, for cleanup of accidental links within links
- $ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret);
- $ret = trim($ret);
- return $ret;
- }
- endif;
- // ! function wp_rel_nofollow()
- // ! function wp_rel_nofollow_callback()
- // ! function translate_smiley()
- // ! function convert_smilies()
- if ( !function_exists('is_email') ) :
- /**
- * Verifies that an email is valid.
- *
- * Does not grok i18n domains. Not RFC compliant.
- *
- * @since 0.71
- *
- * @param string $email Email address to verify.
- * @param boolean $check_dns Whether to check the DNS for the domain using checkdnsrr().
- * @return string|bool Either false or the valid email address.
- */
- function is_email( $email, $check_dns = false ) {
- // Test for the minimum length the email can be
- if ( strlen( $email ) < 3 ) {
- return apply_filters( 'is_email', false, $email, 'email_too_short' );
- }
- // Test for an @ character after the first position
- if ( strpos( $email, '@', 1 ) === false ) {
- return apply_filters( 'is_email', false, $email, 'email_no_at' );
- }
- // Split out the local and domain parts
- list( $local, $domain ) = explode( '@', $email, 2 );
- // LOCAL PART
- // Test for invalid characters
- if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
- return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );
- }
- // DOMAIN PART
- // Test for sequences of periods
- if ( preg_match( '/\.{2,}/', $domain ) ) {
- return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );
- }
- // Test for leading and trailing periods and whitespace
- if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {
- return apply_filters( 'is_email', false, $email, 'domain_period_limits' );
- }
- // Split the domain into subs
- $subs = explode( '.', $domain );
- // Assume the domain will have at least two subs
- if ( 2 > count( $subs ) ) {
- return apply_filters( 'is_email', false, $email, 'domain_no_periods' );
- }
- // Loop through each sub
- foreach ( $subs as $sub ) {
- // Test for leading and trailing hyphens and whitespace
- if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {
- return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );
- }
- // Test for invalid characters
- if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
- return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
- }
- }
- // DNS
- // Check the domain has a valid MX and A resource record
- if ( $check_dns && function_exists( 'checkdnsrr' ) && !( checkdnsrr( $domain . '.', 'MX' ) || checkdnsrr( $domain . '.', 'A' ) ) ) {
- return apply_filters( 'is_email', false, $email, 'dns_no_rr' );
- }
- // Congratulations your email made it!
- return apply_filters( 'is_email', $email, $email, null );
- }
- endif;
- // ! function wp_iso_descrambler()
- // ! function get_gmt_from_date()
- // ! function get_date_from_gmt()
- // ! function iso8601_timezone_to_offset()
- // ! function iso8601_to_datetime()
- // ! popuplinks()
- if ( !function_exists('sanitize_email') ) :
- /**
- * Strips out all characters that are not allowable in an email.
- *
- * @since 1.5.0
- *
- * @param string $email Email address to filter.
- * @return string Filtered email address.
- */
- function sanitize_email( $email ) {
- // Test for the minimum length the email can be
- if ( strlen( $email ) < 3 ) {
- return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );
- }
- // Test for an @ character after the first position
- if ( strpos( $email, '@', 1 ) === false ) {
- return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );
- }
- // Split out the local and domain parts
- list( $local, $domain ) = explode( '@', $email, 2 );
- // LOCAL PART
- // Test for invalid characters
- $local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
- if ( '' === $local ) {
- return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
- }
- // DOMAIN PART
- // Test for sequences of periods
- $domain = preg_replace( '/\.{2,}/', '', $domain );
- if ( '' === $domain ) {
- return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );
- }
- // Test for leading and trailing periods and whitespace
- $domain = trim( $domain, " \t\n\r\0\x0B." );
- if ( '' === $domain ) {
- return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );
- }
- // Split the domain into subs
- $subs = explode( '.', $domain );
- // Assume the domain will have at least two subs
- if ( 2 > count( $subs ) ) {
- return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );
- }
- // Create an array that will contain valid subs
- $new_subs = array();
- // Loop through each sub
- foreach ( $subs as $sub ) {
- // Test for leading and trailing hyphens
- $sub = trim( $sub, " \t\n\r\0\x0B-" );
- // Test for invalid characters
- $sub = preg_replace( '/^[^a-z0-9-]+$/i', '', $sub );
- // If there's anything left, add it to the valid subs
- if ( '' !== $sub ) {
- $new_subs[] = $sub;
- }
- }
- // If there aren't 2 or more valid subs
- if ( 2 > count( $new_subs ) ) {
- return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );
- }
- // Join valid subs into the new domain
- $domain = join( '.', $new_subs );
- // Put the email back together
- $email = $local . '@' . $domain;
- // Congratulations your email made it!
- return apply_filters( 'sanitize_email', $email, $email, null );
- }
- endif;
- // ! function human_time_diff()
- // ! function wp_trim_excerpt()
- if ( !function_exists( 'ent2ncr' ) ) : // Current at [WP9840]
- /**
- * Converts named entities into numbered entities.
- *
- * @since 1.5.1
- *
- * @param string $text The text within which entities will be converted.
- * @return string Text with converted entities.
- */
- function ent2ncr($text) {
- $to_ncr = array(
- '"' => '"',
- '&' => '&',
- '⁄' => '/',
- '<' => '<',
- '>' => '>',
- '|' => '|',
- ' ' => ' ',
- '¡' => '¡',
- '¢' => '¢',
- '£' => '£',
- '¤' => '¤',
- '¥' => '¥',
- '¦' => '¦',
- '&brkbar;' => '¦',
- '§' => '§',
- '¨' => '¨',
- '¨' => '¨',
- '©' => '©',
- 'ª' => 'ª',
- '«' => '«',
- '¬' => '¬',
- '­' => '­',
- '®' => '®',
- '¯' => '¯',
- '&hibar;' => '¯',
- '°' => '°',
- '±' => '±',
- '²' => '²',
- '³' => '³',
- '´' => '´',
- 'µ' => 'µ',
- '¶' => '¶',
- '·' => '·',
- '¸' => '¸',
- '¹' => '¹',
- 'º' => 'º',
- '»' => '»',
- '¼' => '¼',
- '½' => '½',
- '¾' => '¾',
- '¿' => '¿',
- 'À' => 'À',
- 'Á' => 'Á',
- 'Â' => 'Â',
- 'Ã' => 'Ã',
- 'Ä' => 'Ä',
- 'Å' => 'Å',
- 'Æ' => 'Æ',
- 'Ç' => 'Ç',
- 'È' => 'È',
- 'É' => 'É',
- 'Ê' => 'Ê',
- 'Ë' => 'Ë',
- 'Ì' => 'Ì',
- 'Í' => 'Í',
- 'Î' => 'Î',
- 'Ï' => 'Ï',
- 'Ð' => 'Ð',
- 'Ñ' => 'Ñ',
- 'Ò' => 'Ò',
- 'Ó' => 'Ó',
- 'Ô' => 'Ô',
- 'Õ' => 'Õ',
- 'Ö' => 'Ö',
- '×' => '×',
- 'Ø' => 'Ø',
- 'Ù' => 'Ù',
- 'Ú' => 'Ú',
- 'Û' => 'Û',
- 'Ü' => 'Ü',
- 'Ý' => 'Ý',
- 'Þ' => 'Þ',
- 'ß' => 'ß',
- 'à' => 'à',
- 'á' => 'á',
- 'â' => 'â',
- 'ã' => 'ã',
- 'ä' => 'ä',
- 'å' => 'å',
- 'æ' => 'æ',
- 'ç' => 'ç',
- 'è' => 'è',
- 'é' => 'é',
- 'ê' => 'ê',
- 'ë' => 'ë',
- 'ì' => 'ì',
- 'í' => 'í',
- 'î' => 'î',
- 'ï' => 'ï',
- 'ð' => 'ð',
- 'ñ' => 'ñ',
- 'ò' => 'ò',
- 'ó' => 'ó',
- 'ô' => 'ô',
- 'õ' => 'õ',
- 'ö' => 'ö',
- '÷' => '÷',
- 'ø' => 'ø',
- 'ù' => 'ù',
- 'ú' => 'ú',
- 'û' => 'û',
- 'ü' => 'ü',
- 'ý' => 'ý',
- 'þ' => 'þ',
- 'ÿ' => 'ÿ',
- 'Œ' => 'Œ',
- 'œ' => 'œ',
- 'Š' => 'Š',
- 'š' => 'š',
- 'Ÿ' => 'Ÿ',
- 'ƒ' => 'ƒ',
- 'ˆ' => 'ˆ',
- '˜' => '˜',
- 'Α' => 'Α',
- 'Β' => 'Β',
- 'Γ' => 'Γ',
- 'Δ' => 'Δ',
- 'Ε' => 'Ε',
- 'Ζ' => 'Ζ',
- 'Η' => 'Η',
- 'Θ' => 'Θ',
- 'Ι' => 'Ι',
- 'Κ' => 'Κ',
- 'Λ' => 'Λ',
- 'Μ' => 'Μ',
- 'Ν' => 'Ν',
- 'Ξ' => 'Ξ',
- 'Ο' => 'Ο',
- 'Π' => 'Π',
- 'Ρ' => 'Ρ',
- 'Σ' => 'Σ',
- 'Τ' => 'Τ',
- 'Υ' => 'Υ',
- 'Φ' => 'Φ',
- 'Χ' => 'Χ',
- 'Ψ' => 'Ψ',
- 'Ω' => 'Ω',
- 'α' => 'α',
- 'β' => 'β',
- 'γ' => 'γ',
- 'δ' => 'δ',
- 'ε' => 'ε',
- 'ζ' => 'ζ',
- 'η' => 'η',
- 'θ' => 'θ',
- 'ι' => 'ι',
- 'κ' => 'κ',
- 'λ' => 'λ',
- 'μ' => 'μ',
- 'ν' => 'ν',
- 'ξ' => 'ξ',
- 'ο' => 'ο',
- 'π' => 'π',
- 'ρ' => 'ρ',
- 'ς' => 'ς',
- 'σ' => 'σ',
- 'τ' => 'τ',
- 'υ' => 'υ',
- 'φ' => 'φ',
- 'χ' => 'χ',
- 'ψ' => 'ψ',
- 'ω' => 'ω',
- 'ϑ' => 'ϑ',
- 'ϒ' => 'ϒ',
- 'ϖ' => 'ϖ',
- ' ' => ' ',
- ' ' => ' ',
- ' ' => ' ',
- '‌' => '‌',
- '‍' => '‍',
- '‎' => '‎',
- '‏' => '‏',
- '–' => '–',
- '—' => '—',
- '‘' => '‘',
- '’' => '’',
- '‚' => '‚',
- '“' => '“',
- '”' => '”',
- '„' => '„',
- '†' => '†',
- '‡' => '‡',
- '•' => '•',
- '…' => '…',
- '‰' => '‰',
- '′' => '′',
- '″' => '″',
- '‹' => '‹',
- '›' => '›',
- '‾' => '‾',
- '⁄' => '⁄',
- '€' => '€',
- 'ℑ' => 'ℑ',
- '℘' => '℘',
- 'ℜ' => 'ℜ',
- '™' => '™',
- 'ℵ' => 'ℵ',
- '↵' => '↵',
- '⇐' => '⇐',
- '⇑' => '⇑',
- '⇒' => '⇒',
- '⇓' => '⇓',
- '⇔' => '⇔',
- '∀' => '∀',
- '∂' => '∂',
- '∃' => '∃',
- '∅' => '∅',
- '∇' => '∇',
- '∈' => '∈',
- '∉' => '∉',
- '∋' => '∋',
- '∏' => '∏',
- '∑' => '∑',
- '−' => '−',
- '∗' => '∗',
- '√' => '√',
- '∝' => '∝',
- '∞' => '∞',
- '∠' => '∠',
- '∧' => '∧',
- '∨' => '∨',
- '∩' => '∩',
- '∪' => '∪',
- '∫' => '∫',
- '∴' => '∴',
- '∼' => '∼',
- '≅' => '≅',
- '≈' => '≈',
- '≠' => '≠',
- '≡' => '≡',
- '≤' => '≤',
- '≥' => '≥',
- '⊂' => '⊂',
- '⊃' => '⊃',
- '⊄' => '⊄',
- '⊆' => '⊆',
- '⊇' => '⊇',
- '⊕' => '⊕',
- '⊗' => '⊗',
- '⊥' => '⊥',
- '⋅' => '⋅',
- '⌈' => '⌈',
- '⌉' => '⌉',
- '⌊' => '⌊',
- '⌋' => '⌋',
- '⟨' => '〈',
- '⟩' => '〉',
- '←' => '←',
- '↑' => '↑',
- '→' => '→',
- '↓' => '↓',
- '↔' => '↔',
- '◊' => '◊',
- '♠' => '♠',
- '♣' => '♣',
- '♥' => '♥',
- '♦' => '♦'
- );
- return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
- }
- endif;
- // ! function wp_richedit_pre()
- // ! function wp_htmledit_pre()
- if ( !function_exists('clean_url') ) :
- /**
- * Checks and cleans a URL.
- *
- * A number of characters are removed from the URL. If the URL is for displaying
- * (the default behaviour) amperstands are also replaced. The 'esc_url' filter
- * is applied to the returned cleaned URL.
- *
- * @since 1.2.0
- * @uses wp_kses_bad_protocol() To only permit protocols in the URL set
- * via $protocols or the common ones set in the function.
- *
- * @param string $url The URL to be cleaned.
- * @param array $protocols Optional. An array of acceptable protocols.
- * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn' if not set.
- * @param string $context Optional. How the URL will be used. Default is 'display'.
- * @return string The cleaned $url after the 'cleaned_url' filter is applied.
- */
- function clean_url( $url, $protocols = null, $context = 'display' ) {
- $original_url = $url;
- if ( '' == $url )
- return $url;
- $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]|i', '', $url);
- $strip = array('%0d', '%0a', '%0D', '%0A');
- $url = _deep_replace($strip, $url);
- $url = str_replace(';//', '://', $url);
- /* If the URL doesn't appear to contain a scheme, we
- * presume it needs http:// appended (unless a relative
- * link starting with / or a php file).
- */
- if ( strpos($url, ':') === false &&
- substr( $url, 0, 1 ) != '/' && substr( $url, 0, 1 ) != '#' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
- $url = 'http://' . $url;
- // Replace ampersands and single quotes only when displaying.
- if ( 'display' == $context ) {
- $url = wp_kses_normalize_entities( $url );
- $url = str_replace( '&', '&', $url );
- $url = str_replace( "'", ''', $url );
- }
- if ( !is_array($protocols) )
- $protocols = array ('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn');
- if ( wp_kses_bad_protocol( $url, $protocols ) != $url )
- return '';
- return apply_filters('clean_url', $url, $original_url, $context);
- }
- endif;
- if ( !function_exists( '_deep_replace' ) ) :
- /**
- * Perform a deep string replace operation to ensure the values in $search are no longer present
- *
- * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values
- * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that
- * str_replace would return
- *
- * @since 2.8.1
- * @access private
- *
- * @param string|array $search
- * @param string $subject
- * @return string The processed string
- */
- function _deep_replace($search, $subject){
- $found = true;
- while($found) {
- $found = false;
- foreach( (array) $search as $val ) {
- while(strpos($subject, $val) !== false) {
- $found = true;
- $subject = str_replace($val, '', $subject);
- }
- }
- }
- return $subject;
- }
- endif;
- if ( !function_exists( 'esc_sql' ) ) :
- /**
- * Escapes data for use in a MySQL query
- *
- * This is just a handy shortcut for $bpdb->escape(), for completeness' sake
- *
- * @since 2.8.0
- * @param string $sql Unescaped SQL data
- * @return string The cleaned $sql
- */
- function esc_sql( $sql ) {
- global $bpdb;
- return $bpdb->escape( $sql );
- }
- endif;
- if ( !function_exists( 'esc_url' ) ) :
- /**
- * Checks and cleans a URL.
- *
- * A number of characters are removed from the URL. If the URL is for displaying
- * (the default behaviour) amperstands are also replaced. The 'esc_url' filter
- * is applied to the returned cleaned URL.
- *
- * @since 2.8.0
- * @uses esc_url()
- * @uses wp_kses_bad_protocol() To only permit protocols in the URL set
- * via $protocols or the common ones set in the function.
- *
- * @param string $url The URL to be cleaned.
- * @param array $protocols Optional. An array of acceptable protocols.
- * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' if not set.
- * @return string The cleaned $url after the 'cleaned_url' filter is applied.
- */
- function esc_url( $url, $protocols = null ) {
- return clean_url( $url, $protocols, 'display' );
- }
- endif;
- if ( !function_exists( 'esc_url_raw' ) ) :
- /**
- * Performs esc_url() for database usage.
- *
- * @see esc_url()
- * @see esc_url()
- *
- * @since 2.8.0
- *
- * @param string $url The URL to be cleaned.
- * @param array $protocols An array of acceptable protocols.
- * @return string The cleaned URL.
- */
- function esc_url_raw( $url, $protocols = null ) {
- return clean_url( $url, $protocols, 'db' );
- }
- endif;
- // ! function sanitize_url()
- // ! function htmlentities2()
- if ( !function_exists( 'esc_js' ) ) :
- /**
- * Escape single quotes, htmlspecialchar " < > &, and fix line endings.
- *
- * Escapes text strings for echoing in JS, both inline (for example in onclick="...")
- * and inside <script> tag. Note that the strings have to be in single quotes.
- * The filter 'js_escape' is also applied here.
- *
- * @since 2.8.0
- *
- * @param string $text The text to be escaped.
- * @return string Escaped text.
- */
- function esc_js( $text ) {
- $safe_text = wp_check_invalid_utf8( $text );
- $safe_text = _wp_specialchars( $safe_text, ENT_COMPAT );
- $safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) );
- $safe_text = str_replace( "\r", '', $safe_text );
- $safe_text = str_replace( "\n", '\\n', addslashes( $safe_text ) );
- return apply_filters( 'js_escape', $safe_text, $text );
- }
- endif;
- if ( !function_exists( 'js_escape' ) ) :
- /**
- * Escape single quotes, specialchar double quotes, and fix line endings.
- *
- * The filter 'js_escape' is also applied by esc_js()
- *
- * @since 2.0.4
- *
- * @deprecated 2.8.0
- * @see esc_js()
- *
- * @param string $text The text to be escaped.
- * @return string Escaped text.
- */
- function js_escape( $text ) {
- return esc_js( $text );
- }
- endif;
- if ( !function_exists( 'esc_html' ) ) :
- /**
- * Escaping for HTML blocks.
- *
- * @since 2.8.0
- *
- * @param string $text
- * @return string
- */
- function esc_html( $text ) {
- $safe_text = wp_check_invalid_utf8( $text );
- $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
- return apply_filters( 'esc_html', $safe_text, $text );
- return $text;
- }
- endif;
- if ( !function_exists( 'wp_specialchars' ) ) :
- /**
- * Escaping for HTML blocks
- * @deprecated 2.8.0
- * @see esc_html()
- */
- function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
- if ( func_num_args() > 1 ) { // Maintain backwards compat for people passing additional args
- $args = func_get_args();
- return call_user_func_array( '_wp_specialchars', $args );
- } else {
- return esc_html( $string );
- }
- }
- endif;
- if ( !function_exists( 'esc_attr' ) ) :
- /**
- * Escaping for HTML attributes.
- *
- * @since 2.8.0
- *
- * @param string $text
- * @return string
- */
- function esc_attr( $text ) {
- $safe_text = wp_check_invalid_utf8( $text );
- $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
- return apply_filters( 'attribute_escape', $safe_text, $text );
- }
- endif;
- if ( !function_exists( 'attribute_escape' ) ) :
- /**
- * Escaping for HTML attributes.
- *
- * @since 2.0.6
- *
- * @deprecated 2.8.0
- * @see esc_attr()
- *
- * @param string $text
- * @return string
- */
- function attribute_escape( $text ) {
- return esc_attr( $text );
- }
- endif;
- // ! function tag_escape()
- if ( !function_exists('like_escape') ) :
- /**
- * Escapes text for SQL LIKE special characters % and _.
- *
- * @since 2.5.0
- *
- * @param string $text The text to be escaped.
- * @return string text, safe for inclusion in LIKE query.
- */
- function like_escape($text) {
- return addcslashes($text, '\\%_');
- }
- endif;
- // ! function wp_make_link_relative()
- // ! function sanitize_option()
- if ( !function_exists('wp_parse_str') ) :
- /**
- * Parses a string into variables to be stored in an array.
- *
- * Uses {@link http://www.php.net/parse_str parse_str()} and stripslashes if
- * {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on.
- *
- * @since 2.2.1
- * @uses apply_filters() for the 'wp_parse_str' filter.
- *
- * @param string $string The string to be parsed.
- * @param array $array Variables will be stored in this array.
- */
- function wp_parse_str( $string, &$array ) {
- parse_str( $string, $array );
- if ( get_magic_quotes_gpc() )
- $array = stripslashes_deep( $array );
- $array = apply_filters( 'wp_parse_str', $array );
- }
- endif;
- if ( !function_exists('wp_pre_kses_less_than') ) :
- /**
- * Convert lone less than signs.
- *
- * KSES already converts lone greater than signs.
- *
- * @uses wp_pre_kses_less_than_callback in the callback function.
- * @since 2.3.0
- *
- * @param string $text Text to be converted.
- * @return string Converted text.
- */
- function wp_pre_kses_less_than( $text ) {
- return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text);
- }
- endif;
- if ( !function_exists('wp_pre_kses_less_than_callback') ) :
- /**
- * Callback function used by preg_replace.
- *
- * @uses esc_html to format the $matches text.
- * @since 2.3.0
- *
- * @param array $matches Populated by matches to preg_replace.
- * @return string The text returned after esc_html if needed.
- */
- function wp_pre_kses_less_than_callback( $matches ) {
- if ( false === strpos($matches[0], '>') )
- return esc_html($matches[0]);
- return $matches[0];
- }
- endif;
- // ! function wp_sprintf()
- // ! function wp_sprintf_l()
- if ( !function_exists('wp_html_excerpt') ) :
- /**
- * Safely extracts not more than the first $count characters from html string.
- *
- * UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT*
- * be counted as one character. For example & will be counted as 4, < as
- * 3, etc.
- *
- * @since 2.5.0
- *
- * @param integer $str String to get the excerpt from.
- * @param integer $count Maximum number of characters to take.
- * @return string The excerpt.
- */
- function wp_html_excerpt( $str, $count ) {
- $str = wp_strip_all_tags( $str, true );
- $str = mb_substr( $str, 0, $count );
- // remove part of an entity at the end
- $str = preg_replace( '/&[^;\s]{0,6}$/', '', $str );
- return $str;
- }
- endif;
- // ! function links_add_base_url()
- // ! function _links_add_base()
- // ! function links_add_target()
- // ! function _links_add_target()
- // ! function normalize_whitespace()
- if ( !function_exists('wp_strip_all_tags') ) :
- /**
- * Properly strip all HTML tags including script and style
- *
- * @since 2.9.0
- *
- * @param string $string String containing HTML tags
- * @param bool $remove_breaks optional Whether to remove left over line breaks and white space chars
- * @return string The processed string.
- */
- function wp_strip_all_tags($string, $remove_breaks = false) {
- $string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string );
- $string = strip_tags($string);
- if ( $remove_breaks )
- $string = preg_replace('/[\r\n\t ]+/', ' ', $string);
- return trim($string);
- }
- endif;
- if ( !function_exists('sanitize_text_field') ) :
- /**
- * Sanitize a string from user input or from the db
- *
- * check for invalid UTF-8,
- * Convert single < characters to entity,
- * strip all tags,
- * remove line breaks, tabs and extra whitre space,
- * strip octets.
- *
- * @since 2.9
- *
- * @param string $str
- * @return string
- */
- function sanitize_text_field($str) {
- $filtered = wp_check_invalid_utf8( $str );
- if ( strpos($filtered, '<') !== false ) {
- $filtered = wp_pre_kses_less_than( $filtered );
- // This will strip extra whitespace for us.
- $filtered = wp_strip_all_tags( $filtered, true );
- } else {
- $filtered = trim( preg_replace('/[\r\n\t ]+/', ' ', $filtered) );
- }
- $match = array();
- $found = false;
- while ( preg_match('/%[a-f0-9]{2}/i', $filtered, $match) ) {
- $filtered = str_replace($match[0], '', $filtered);
- $found = true;
- }
- if ( $found ) {
- // Strip out the whitespace that may now exist after removing the octets.
- $filtered = trim( preg_replace('/ +/', ' ', $filtered) );
- }
- return apply_filters('sanitize_text_field', $filtered, $str);
- }
- endif;