/v2/mod_goodrelations/rdfa/h2o/h2o/filters.php
PHP | 342 lines | 273 code | 64 blank | 5 comment | 46 complexity | 1da5c639d709fe8ddd94bee15ee460b4 MD5 | raw file
- <?php
- class FilterCollection {};
- class CoreFilters extends FilterCollection {
- static function first($value) {
- return $value[0];
- }
-
- static function last($value) {
- return $value[count($value) - 1];
- }
-
- static function join($value, $delimiter = ', ') {
- return join($delimiter, $value);
- }
-
- static function urlencode($data) {
- if (is_array($data)) {
- $result;
- foreach ($data as $name => $value) {
- $result .= $name.'='.urlencode($value).'&'.$querystring;
- }
- $querystring = substr($result, 0, strlen($result)-1);
- return htmlspecialchars($result);
- } else {
- return urlencode($data);
- }
- }
-
- static function hyphenize ($string) {
- $rules = array('/[^\w\s-]+/'=>'','/\s+/'=>'-', '/-{2,}/'=>'-');
- $string = preg_replace(array_keys($rules), $rules, trim($string));
- return $string = trim(strtolower($string));
- }
-
- static function urlize($url, $truncate = false) {
- if (preg_match('/^(http|https|ftp:\/\/([^\s"\']+))/i', $url, $match))
- $url = "<a href='{$url}'>". ($truncate ? truncate($url,$truncate): $url).'</a>';
- return $url;
- }
- static function set_default($object, $default) {
- return !$object ? $default : $object;
- }
- }
- class StringFilters extends FilterCollection {
- static function humanize($string) {
- $string = preg_replace('/\s+/', ' ', trim(preg_replace('/[^A-Za-z0-9()!,?$]+/', ' ', $string)));
- return capfirst($string);
- }
-
- static function capitalize($string) {
- return ucwords(strtolower($string)) ;
- }
-
- static function titlize($string) {
- return self::capitalize($string);
- }
-
- static function capfirst($string) {
- $string = strtolower($string);
- return strtoupper($string{0}). substr($string, 1, strlen($string));
- }
-
- static function tighten_space($value) {
- return preg_replace("/\s{2,}/", ' ', $value);
- }
-
- static function escape($value, $attribute = false) {
- return htmlspecialchars($value, $attribute ? ENT_QUOTES : ENT_NOQUOTES);
- }
-
- static function force_escape($value, $attribute = false) {
- return self::escape($value, $attribute);
- }
-
- static function e($value, $attribute = false) {
- return self::escape($value, $attribute);
- }
-
- static function safe($value) {
- return $value;
- }
-
- static function truncate ($string, $max = 50, $ends = '...') {
- return (strlen($string) > $max ? substr($string, 0, $max).$ends : $string);
- }
-
- static function limitwords($text, $limit = 50, $ends = '...') {
- if (strlen($text) > $limit) {
- $words = str_word_count($text, 2);
- $pos = array_keys($words);
- if (isset($pos[$limit])) {
- $text = substr($text, 0, $pos[$limit]) . $ends;
- }
- }
- return $text;
- }
- }
- class NumberFilters extends FilterCollection {
- static function filesize ($bytes, $round = 1) {
- if ($bytes === 0)
- return '0 bytes';
- elseif ($bytes === 1)
- return '1 byte';
-
- $units = array(
- 'bytes' => pow(2, 0), 'kB' => pow(2, 10),
- 'BM' => pow(2, 20), 'GB' => pow(2, 30),
- 'TB' => pow(2, 40), 'PB' => pow(2, 50),
- 'EB' => pow(2, 60), 'ZB' => pow(2, 70)
- );
- $lastUnit = 'bytes';
- foreach ($units as $unitName => $unitFactor) {
- if ($bytes >= $unitFactor) {
- $lastUnit = $unitName;
- } else {
- $number = round( $bytes / $units[$lastUnit], $round );
- return number_format($number) . ' ' . $lastUnit;
- }
- }
- }
- static function currency($amount, $currency = 'USD', $precision = 2, $negateWithParentheses = false) {
- $definition = array(
- 'EUR' => array('?','.',','), 'GBP' => '?', 'JPY' => '?',
- 'USD'=>'$', 'AU' => '$', 'CAN' => '$'
- );
- $negative = false;
- $separator = ',';
- $decimals = '.';
- $currency = strtoupper($currency);
-
- // Is negative
- if (strpos('-', $amount) !== false) {
- $negative = true;
- $amount = str_replace("-","",$amount);
- }
- $amount = (float) $amount;
- if (!$negative) {
- $negative = $amount < 0;
- }
- if ($negateWithParentheses) {
- $amount = abs($amount);
- }
- // Get rid of negative zero
- $zero = round(0, $precision);
- if (round($amount, $precision) === $zero) {
- $amount = $zero;
- }
-
- if (isset($definition[$currency])) {
- $symbol = $definition[$currency];
- if (is_array($symbol))
- @list($symbol, $separator, $decimals) = $symbol;
- } else {
- $symbol = $currency;
- }
- $amount = number_format($amount, $precision, $decimals, $separator);
- return $negateWithParentheses ? "({$symbol}{$amount})" : "{$symbol}{$amount}";
- }
- }
- class HtmlFilters extends FilterCollection {
- static function base_url($url, $options = array()) {
- return $url;
- }
-
- static function asset_url($url, $options = array()) {
- return self::base_url($url, $options);
- }
-
- static function image_tag($url, $options = array()) {
- $attr = self::htmlAttribute(array('alt','width','height','border'), $options);
- return sprintf('<img src="%s" %s/>', $url, $attr);
- }
- static function css_tag($url, $options = array()) {
- $attr = self::htmlAttribute(array('media'), $options);
- return sprintf('<link rel="stylesheet" href="%s" type="text/css" %s />', $url, $attr);
- }
- static function script_tag($url, $options = array()) {
- return sprintf('<script src="%s" type="text/javascript"></script>', $url);
- }
-
- static function links_to($text, $url, $options = array()) {
- $attrs = self::htmlAttribute(array('ref'), $options);
- $url = self::base_url($url, $options);
- return sprintf('<a href="%s" %s>%s</a>', $url, $attrs, $text);
- }
-
- static function links_with ($url, $text, $options = array()) {
- return self::links_to($text, $url, $options);
- }
-
- static function strip_tags($text) {
- $text = preg_replace(array('/</', '/>/'), array(' <', '> '),$text);
- return strip_tags($text);
- }
- static function linebreaks($value, $format = 'p') {
- if ($format === 'br')
- return HtmlFilters::nl2br($value);
- return HtmlFilters::nl2pbr($value);
- }
-
- static function nl2br($value) {
- return str_replace("\n", "<br />\n", $value);
- }
-
- static function nl2pbr($value) {
- $result = array();
- $parts = preg_split('/(\r?\n){2,}/m', $value);
- foreach ($parts as $part) {
- array_push($result, '<p>' . HtmlFilters::nl2br($part) . '</p>');
- }
- return implode("\n", $result);
- }
- protected static function htmlAttribute($attrs = array(), $data = array()) {
- $attrs = self::extract(array_merge(array('id', 'class', 'title', "style"), $attrs), $data);
-
- $result = array();
- foreach ($attrs as $name => $value) {
- $result[] = "{$name}=\"{$value}\"";
- }
- return join(' ', $result);
- }
- protected static function extract($attrs = array(), $data=array()) {
- $result = array();
- if (empty($data)) return array();
- foreach($data as $k => $e) {
- if (in_array($k, $attrs)) $result[$k] = $e;
- }
- return $result;
- }
- }
- class DatetimeFilters extends FilterCollection {
- static function date($time, $format = 'jS F Y H:i') {
- if ($time instanceof DateTime)
- $time = (int) $time->format('U');
- if (!is_numeric($time))
- $time = strtotime($time);
-
- return date($format, $time);
- }
- static function relative_time($timestamp, $format = 'g:iA') {
- if ($timestamp instanceof DateTime)
- $timestamp = (int) $timestamp->format('U');
- $timestamp = is_numeric($timestamp) ? $timestamp: strtotime($timestamp);
-
- $time = mktime(0, 0, 0);
- $delta = time() - $timestamp;
- $string = '';
-
- if ($timestamp < $time - 86400) {
- return date("F j, Y, g:i a", $timestamp);
- }
- if ($delta > 86400 && $timestamp < $time) {
- return "Yesterday at " . date("g:i a", $timestamp);
- }
- if ($delta > 7200)
- $string .= floor($delta / 3600) . " hours, ";
- else if ($delta > 3660)
- $string .= "1 hour, ";
- else if ($delta >= 3600)
- $string .= "1 hour ";
- $delta %= 3600;
-
- if ($delta > 60)
- $string .= floor($delta / 60) . " minutes ";
- else
- $string .= $delta . " seconds ";
- return "$string ago";
- }
- static function relative_date($time) {
- if ($time instanceof DateTime)
- $time = (int) $time->format('U');
- $time = is_numeric($time) ? $time: strtotime($time);
- $today = strtotime(date('M j, Y'));
- $reldays = ($time - $today)/86400;
-
- if ($reldays >= 0 && $reldays < 1)
- return 'today';
- else if ($reldays >= 1 && $reldays < 2)
- return 'tomorrow';
- else if ($reldays >= -1 && $reldays < 0)
- return 'yesterday';
- if (abs($reldays) < 7) {
- if ($reldays > 0) {
- $reldays = floor($reldays);
- return 'in ' . $reldays . ' day' . ($reldays != 1 ? 's' : '');
- } else {
- $reldays = abs(floor($reldays));
- return $reldays . ' day' . ($reldays != 1 ? 's' : '') . ' ago';
- }
- }
- if (abs($reldays) < 182)
- return date('l, F j',$time ? $time : time());
- else
- return date('l, F j, Y',$time ? $time : time());
- }
-
- static function relative_datetime($time) {
- $date = self::relative_date($time);
-
- if ($date === 'today')
- return self::relative_time($time);
-
- return $date;
- }
- }
- /* Ultizie php funciton as Filters */
- h2o::addFilter(array('md5', 'sha1', 'numberformat'=>'number_format', 'wordwrap', 'trim', 'upper' => 'strtoupper', 'lower' => 'strtolower'));
- /* Add filter collections */
- h2o::addFilter(array('CoreFilters', 'StringFilters', 'NumberFilters', 'DatetimeFilters', 'HtmlFilters'));
- /* Alias default to set_default */
- h2o::addFilter('default', array('CoreFilters', 'set_default'));
- ?>