/VnKings Theme/VnKing/wp-content/plugins/contact-form-7/includes/shortcodes.php
PHP | 498 lines | 373 code | 121 blank | 4 comment | 78 complexity | 013d2fe770fd039e34baa8889385aa8b MD5 | raw file
- <?php
- class WPCF7_ShortcodeManager {
- private static $instance;
- private $shortcode_tags = array();
- // Taggs scanned at the last time of do_shortcode()
- private $scanned_tags = null;
- // Executing shortcodes (true) or just scanning (false)
- private $exec = true;
- private function __construct() {}
- public static function get_instance() {
- if ( empty( self::$instance ) ) {
- self::$instance = new self;
- }
- return self::$instance;
- }
- public function get_scanned_tags() {
- return $this->scanned_tags;
- }
- public function add_shortcode( $tag, $func, $has_name = false ) {
- if ( ! is_callable( $func ) )
- return;
- $tags = array_filter( array_unique( (array) $tag ) );
- foreach ( $tags as $tag ) {
- $tag = $this->sanitize_tag_type( $tag );
- $this->shortcode_tags[$tag] = array(
- 'function' => $func,
- 'has_name' => (boolean) $has_name );
- }
- }
- private function sanitize_tag_type( $tag ) {
- $tag = preg_replace( '/[^a-zA-Z0-9_*]+/', '_', $tag );
- $tag = rtrim( $tag, '_' );
- $tag = strtolower( $tag );
- return $tag;
- }
- public function remove_shortcode( $tag ) {
- unset( $this->shortcode_tags[$tag] );
- }
- public function normalize_shortcode( $content ) {
- if ( empty( $this->shortcode_tags ) || ! is_array( $this->shortcode_tags ) )
- return $content;
- $pattern = $this->get_shortcode_regex();
- return preg_replace_callback( '/' . $pattern . '/s',
- array( $this, 'normalize_space_cb' ), $content );
- }
- private function normalize_space_cb( $m ) {
- // allow [[foo]] syntax for escaping a tag
- if ( $m[1] == '[' && $m[6] == ']' )
- return $m[0];
- $tag = $m[2];
- $attr = trim( preg_replace( '/[\r\n\t ]+/', ' ', $m[3] ) );
- $content = trim( $m[5] );
- $content = str_replace( "\n", '<WPPreserveNewline />', $content );
- $result = $m[1] . '[' . $tag
- . ( $attr ? ' ' . $attr : '' )
- . ( $m[4] ? ' ' . $m[4] : '' )
- . ']'
- . ( $content ? $content . '[/' . $tag . ']' : '' )
- . $m[6];
- return $result;
- }
- public function do_shortcode( $content, $exec = true ) {
- $this->exec = (bool) $exec;
- $this->scanned_tags = array();
- if ( empty( $this->shortcode_tags ) || ! is_array( $this->shortcode_tags ) )
- return $content;
- $pattern = $this->get_shortcode_regex();
- return preg_replace_callback( '/' . $pattern . '/s',
- array( $this, 'do_shortcode_tag' ), $content );
- }
- public function scan_shortcode( $content ) {
- $this->do_shortcode( $content, false );
- return $this->scanned_tags;
- }
- private function get_shortcode_regex() {
- $tagnames = array_keys( $this->shortcode_tags );
- $tagregexp = join( '|', array_map( 'preg_quote', $tagnames ) );
- return '(\[?)'
- . '\[(' . $tagregexp . ')(?:[\r\n\t ](.*?))?(?:[\r\n\t ](\/))?\]'
- . '(?:([^[]*?)\[\/\2\])?'
- . '(\]?)';
- }
- private function do_shortcode_tag( $m ) {
- // allow [[foo]] syntax for escaping a tag
- if ( $m[1] == '[' && $m[6] == ']' ) {
- return substr( $m[0], 1, -1 );
- }
- $tag = $m[2];
- $attr = $this->shortcode_parse_atts( $m[3] );
- $scanned_tag = array(
- 'type' => $tag,
- 'basetype' => trim( $tag, '*' ),
- 'name' => '',
- 'options' => array(),
- 'raw_values' => array(),
- 'values' => array(),
- 'pipes' => null,
- 'labels' => array(),
- 'attr' => '',
- 'content' => '' );
- if ( is_array( $attr ) ) {
- if ( is_array( $attr['options'] ) ) {
- if ( $this->shortcode_tags[$tag]['has_name'] && ! empty( $attr['options'] ) ) {
- $scanned_tag['name'] = array_shift( $attr['options'] );
- if ( ! wpcf7_is_name( $scanned_tag['name'] ) )
- return $m[0]; // Invalid name is used. Ignore this tag.
- }
- $scanned_tag['options'] = (array) $attr['options'];
- }
- $scanned_tag['raw_values'] = (array) $attr['values'];
- if ( WPCF7_USE_PIPE ) {
- $pipes = new WPCF7_Pipes( $scanned_tag['raw_values'] );
- $scanned_tag['values'] = $pipes->collect_befores();
- $scanned_tag['pipes'] = $pipes;
- } else {
- $scanned_tag['values'] = $scanned_tag['raw_values'];
- }
- $scanned_tag['labels'] = $scanned_tag['values'];
- } else {
- $scanned_tag['attr'] = $attr;
- }
- $scanned_tag['values'] = array_map( 'trim', $scanned_tag['values'] );
- $scanned_tag['labels'] = array_map( 'trim', $scanned_tag['labels'] );
- $content = trim( $m[5] );
- $content = preg_replace( "/<br[\r\n\t ]*\/?>$/m", '', $content );
- $scanned_tag['content'] = $content;
- $scanned_tag = apply_filters( 'wpcf7_form_tag', $scanned_tag, $this->exec );
- $this->scanned_tags[] = $scanned_tag;
- if ( $this->exec ) {
- $func = $this->shortcode_tags[$tag]['function'];
- return $m[1] . call_user_func( $func, $scanned_tag ) . $m[6];
- } else {
- return $m[0];
- }
- }
- private function shortcode_parse_atts( $text ) {
- $atts = array( 'options' => array(), 'values' => array() );
- $text = preg_replace( "/[\x{00a0}\x{200b}]+/u", " ", $text );
- $text = stripcslashes( trim( $text ) );
- $pattern = '%^([-+*=0-9a-zA-Z:.!?#$&@_/|\%\r\n\t ]*?)((?:[\r\n\t ]*"[^"]*"|[\r\n\t ]*\'[^\']*\')*)$%';
- if ( preg_match( $pattern, $text, $match ) ) {
- if ( ! empty( $match[1] ) ) {
- $atts['options'] = preg_split( '/[\r\n\t ]+/', trim( $match[1] ) );
- }
- if ( ! empty( $match[2] ) ) {
- preg_match_all( '/"[^"]*"|\'[^\']*\'/', $match[2], $matched_values );
- $atts['values'] = wpcf7_strip_quote_deep( $matched_values[0] );
- }
- } else {
- $atts = $text;
- }
- return $atts;
- }
- }
- function wpcf7_add_shortcode( $tag, $func, $has_name = false ) {
- $manager = WPCF7_ShortcodeManager::get_instance();
- return $manager->add_shortcode( $tag, $func, $has_name );
- }
- function wpcf7_remove_shortcode( $tag ) {
- $manager = WPCF7_ShortcodeManager::get_instance();
- return $manager->remove_shortcode( $tag );
- }
- function wpcf7_do_shortcode( $content ) {
- $manager = WPCF7_ShortcodeManager::get_instance();
- return $manager->do_shortcode( $content );
- }
- class WPCF7_Shortcode {
- public $type;
- public $basetype;
- public $name = '';
- public $options = array();
- public $raw_values = array();
- public $values = array();
- public $pipes;
- public $labels = array();
- public $attr = '';
- public $content = '';
- public function __construct( $tag ) {
- foreach ( $tag as $key => $value ) {
- if ( property_exists( __CLASS__, $key ) )
- $this->{$key} = $value;
- }
- }
- public function is_required() {
- return ( '*' == substr( $this->type, -1 ) );
- }
- public function has_option( $opt ) {
- $pattern = sprintf( '/^%s(:.+)?$/i', preg_quote( $opt, '/' ) );
- return (bool) preg_grep( $pattern, $this->options );
- }
- public function get_option( $opt, $pattern = '', $single = false ) {
- $preset_patterns = array(
- 'date' => '([0-9]{4}-[0-9]{2}-[0-9]{2}|today(.*))',
- 'int' => '[0-9]+',
- 'signed_int' => '-?[0-9]+',
- 'class' => '[-0-9a-zA-Z_]+',
- 'id' => '[-0-9a-zA-Z_]+' );
- if ( isset( $preset_patterns[$pattern] ) )
- $pattern = $preset_patterns[$pattern];
- if ( '' == $pattern )
- $pattern = '.+';
- $pattern = sprintf( '/^%s:%s$/i', preg_quote( $opt, '/' ), $pattern );
- if ( $single ) {
- $matches = $this->get_first_match_option( $pattern );
- if ( ! $matches )
- return false;
- return substr( $matches[0], strlen( $opt ) + 1 );
- } else {
- $matches_a = $this->get_all_match_options( $pattern );
- if ( ! $matches_a )
- return false;
- $results = array();
- foreach ( $matches_a as $matches )
- $results[] = substr( $matches[0], strlen( $opt ) + 1 );
- return $results;
- }
- }
- public function get_id_option() {
- return $this->get_option( 'id', 'id', true );
- }
- public function get_class_option( $default = '' ) {
- if ( is_string( $default ) )
- $default = explode( ' ', $default );
- $options = array_merge(
- (array) $default,
- (array) $this->get_option( 'class', 'class' ) );
- $options = array_filter( array_unique( $options ) );
- return implode( ' ', $options );
- }
- public function get_size_option( $default = '' ) {
- $matches_a = $this->get_all_match_options( '%^([0-9]*)/[0-9]*$%' );
- foreach ( (array) $matches_a as $matches ) {
- if ( isset( $matches[1] ) && '' !== $matches[1] )
- return $matches[1];
- }
- return $default;
- }
- public function get_maxlength_option( $default = '' ) {
- $option = $this->get_option( 'maxlength', 'int', true );
- if ( $option ) {
- return $option;
- }
- $matches_a = $this->get_all_match_options(
- '%^(?:[0-9]*x?[0-9]*)?/([0-9]+)$%' );
- foreach ( (array) $matches_a as $matches ) {
- if ( isset( $matches[1] ) && '' !== $matches[1] )
- return $matches[1];
- }
- return $default;
- }
- public function get_minlength_option( $default = '' ) {
- $option = $this->get_option( 'minlength', 'int', true );
- if ( $option ) {
- return $option;
- } else {
- return $default;
- }
- }
- public function get_cols_option( $default = '' ) {
- $matches_a = $this->get_all_match_options(
- '%^([0-9]*)x([0-9]*)(?:/[0-9]+)?$%' );
- foreach ( (array) $matches_a as $matches ) {
- if ( isset( $matches[1] ) && '' !== $matches[1] )
- return $matches[1];
- }
- return $default;
- }
- public function get_rows_option( $default = '' ) {
- $matches_a = $this->get_all_match_options(
- '%^([0-9]*)x([0-9]*)(?:/[0-9]+)?$%' );
- foreach ( (array) $matches_a as $matches ) {
- if ( isset( $matches[2] ) && '' !== $matches[2] )
- return $matches[2];
- }
- return $default;
- }
- public function get_date_option( $opt ) {
- $option = $this->get_option( $opt, 'date', true );
- if ( preg_match( '/^[0-9]{4}-[0-9]{2}-[0-9]{2}$/', $option ) ) {
- return $option;
- }
- if ( preg_match( '/^today(?:([+-][0-9]+)([a-z]*))?/', $option, $matches ) ) {
- $number = isset( $matches[1] ) ? (int) $matches[1] : 0;
- $unit = isset( $matches[2] ) ? $matches[2] : '';
- if ( ! preg_match( '/^(day|month|year|week)s?$/', $unit ) ) {
- $unit = 'days';
- }
- $date = gmdate( 'Y-m-d',
- strtotime( sprintf( 'today %1$s %2$s', $number, $unit ) ) );
- return $date;
- }
- return false;
- }
- public function get_default_option( $default = '', $args = '' ) {
- $args = wp_parse_args( $args, array(
- 'multiple' => false ) );
- $options = (array) $this->get_option( 'default' );
- $values = array();
- if ( empty( $options ) ) {
- return $args['multiple'] ? $values : $default;
- }
- foreach ( $options as $opt ) {
- $opt = sanitize_key( $opt );
- if ( 'user_' == substr( $opt, 0, 5 ) && is_user_logged_in() ) {
- $primary_props = array( 'user_login', 'user_email', 'user_url' );
- $opt = in_array( $opt, $primary_props ) ? $opt : substr( $opt, 5 );
- $user = wp_get_current_user();
- $user_prop = $user->get( $opt );
- if ( ! empty( $user_prop ) ) {
- if ( $args['multiple'] ) {
- $values[] = $user_prop;
- } else {
- return $user_prop;
- }
- }
- } elseif ( 'post_meta' == $opt && in_the_loop() ) {
- if ( $args['multiple'] ) {
- $values = array_merge( $values,
- get_post_meta( get_the_ID(), $this->name ) );
- } else {
- $val = (string) get_post_meta( get_the_ID(), $this->name, true );
- if ( strlen( $val ) ) {
- return $val;
- }
- }
-
- } elseif ( 'get' == $opt && isset( $_GET[$this->name] ) ) {
- $vals = (array) $_GET[$this->name];
- $vals = array_map( 'wpcf7_sanitize_query_var', $vals );
- if ( $args['multiple'] ) {
- $values = array_merge( $values, $vals );
- } else {
- $val = isset( $vals[0] ) ? (string) $vals[0] : '';
- if ( strlen( $val ) ) {
- return $val;
- }
- }
- } elseif ( 'post' == $opt && isset( $_POST[$this->name] ) ) {
- $vals = (array) $_POST[$this->name];
- $vals = array_map( 'wpcf7_sanitize_query_var', $vals );
- if ( $args['multiple'] ) {
- $values = array_merge( $values, $vals );
- } else {
- $val = isset( $vals[0] ) ? (string) $vals[0] : '';
- if ( strlen( $val ) ) {
- return $val;
- }
- }
- }
- }
- if ( $args['multiple'] ) {
- $values = array_unique( $values );
- return $values;
- } else {
- return $default;
- }
- }
- public function get_data_option( $args = '' ) {
- $options = (array) $this->get_option( 'data' );
- return apply_filters( 'wpcf7_form_tag_data_option', null, $options, $args );
- }
- public function get_first_match_option( $pattern ) {
- foreach( (array) $this->options as $option ) {
- if ( preg_match( $pattern, $option, $matches ) )
- return $matches;
- }
- return false;
- }
- public function get_all_match_options( $pattern ) {
- $result = array();
- foreach( (array) $this->options as $option ) {
- if ( preg_match( $pattern, $option, $matches ) )
- $result[] = $matches;
- }
- return $result;
- }
- }
- ?>