changed deprecated import() function so the script works with >=PHP8.0
This commit is contained in:
		| @@ -15,6 +15,10 @@ Open for PRs. Please see the original repository for credits. | ||||
|  | ||||
| == Changelog == | ||||
|  | ||||
| = 2.8.6 = | ||||
|  | ||||
| * changed deprecated import() function so the script works with >=PHP8.0 | ||||
|  | ||||
| = 2.8.5 = | ||||
| * FIXED: | ||||
|    * Added a bunch of PRs and made it work with latest Wordpress | ||||
|   | ||||
| @@ -1,7 +1,9 @@ | ||||
| <?php | ||||
|  | ||||
| /* Common utility functions mainly for formatting, parsing etc. */ | ||||
| class CrayonUtil { | ||||
|  | ||||
| class CrayonUtil | ||||
| { | ||||
|  | ||||
|     // Used to detect touchscreen devices | ||||
|     private static $touchscreen = NULL; | ||||
| @@ -12,7 +14,8 @@ class CrayonUtil { | ||||
|      r - escape regex chars | ||||
|      c - remove comments | ||||
|      s - return as string */ | ||||
|     public static function lines($path, $opts = NULL) { | ||||
|     public static function lines($path, $opts = NULL) | ||||
|     { | ||||
|         $path = self::pathf($path); | ||||
|         if (($str = self::file($path)) === FALSE) { | ||||
|             // Log failure, n = no log | ||||
| @@ -70,14 +73,15 @@ class CrayonUtil { | ||||
|             if ($whitespace) { | ||||
|                 $delimiter = CRAYON_NL; | ||||
|             } | ||||
|             $lines = implode($lines, $delimiter); | ||||
|             $lines = implode($delimiter, $lines); | ||||
|         } | ||||
|  | ||||
|         return $lines; | ||||
|     } | ||||
|  | ||||
|     // Returns the contents of a file | ||||
|     public static function file($path) { | ||||
|     public static function file($path) | ||||
|     { | ||||
|         if (($str = @file_get_contents($path)) === FALSE) { | ||||
|             return FALSE; | ||||
|         } else { | ||||
| @@ -91,7 +95,8 @@ class CrayonUtil { | ||||
|      * @param $src A directory or file | ||||
|      * @param $dest A directory or zip file. If a zip file is provided it must exist beforehand. | ||||
|      */ | ||||
|     public static function createZip($src, $dest, $removeExistingZip = FALSE) { | ||||
|     public static function createZip($src, $dest, $removeExistingZip = FALSE) | ||||
|     { | ||||
|         if ($src == $dest) { | ||||
|             throw new InvalidArgumentException("Source '$src' and '$dest' cannot be the same"); | ||||
|         } | ||||
| @@ -148,7 +153,8 @@ class CrayonUtil { | ||||
|      *      'file' (optional file path of the attachment) | ||||
|      * @see http://webcheatsheet.com/php/send_email_text_html_attachment.php | ||||
|      */ | ||||
|     public static function emailFile($args) { | ||||
|     public static function emailFile($args) | ||||
|     { | ||||
|         $to = self::set_default($args['to']); | ||||
|         $from = self::set_default($args['from']); | ||||
|         $subject = self::set_default($args['subject'], ''); | ||||
| @@ -226,7 +232,8 @@ EOT; | ||||
|      *      ignore: An array of paths to ignore | ||||
|      * @return array Files in the directory | ||||
|      */ | ||||
|     public static function getFiles($path, $args = array()) { | ||||
|     public static function getFiles($path, $args = array()) | ||||
|     { | ||||
|         $hidden = self::set_default($args['hidden'], TRUE); | ||||
|         $ignoreRef = self::set_default($args['ignoreRef'], TRUE); | ||||
|         $recursive = self::set_default($args['recursive'], FALSE); | ||||
| @@ -263,7 +270,8 @@ EOT; | ||||
|         return $result; | ||||
|     } | ||||
|  | ||||
|     public static function deleteDir($path) { | ||||
|     public static function deleteDir($path) | ||||
|     { | ||||
|         if (!is_dir($path)) { | ||||
|             throw new InvalidArgumentException("deleteDir: $path is not a directory"); | ||||
|         } | ||||
| @@ -281,7 +289,8 @@ EOT; | ||||
|         rmdir($path); | ||||
|     } | ||||
|  | ||||
|     public static function copyDir($src, $dst, $mkdir = NULL) { | ||||
|     public static function copyDir($src, $dst, $mkdir = NULL) | ||||
|     { | ||||
|         // http://stackoverflow.com/questions/2050859 | ||||
|         if (!is_dir($src)) { | ||||
|             throw new InvalidArgumentException("copyDir: $src is not a directory"); | ||||
| @@ -305,7 +314,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Supports arrays in the values | ||||
|     public static function array_flip($array) { | ||||
|     public static function array_flip($array) | ||||
|     { | ||||
|         $result = array(); | ||||
|         foreach ($array as $k => $v) { | ||||
|             if (is_array($v)) { | ||||
| @@ -319,7 +329,8 @@ EOT; | ||||
|         return $result; | ||||
|     } | ||||
|  | ||||
|     private static function _array_flip(&$array, $k, $v) { | ||||
|     private static function _array_flip(&$array, $k, $v) | ||||
|     { | ||||
|         if (is_string($v) || is_int($v)) { | ||||
|             $array[$v] = $k; | ||||
|         } else { | ||||
| @@ -328,7 +339,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Detects if device is touchscreen or mobile | ||||
|     public static function is_touch() { | ||||
|     public static function is_touch() | ||||
|     { | ||||
|         // Only detect once | ||||
|         if (self::$touchscreen !== NULL) { | ||||
|             return self::$touchscreen; | ||||
| @@ -347,7 +359,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Removes duplicates in array, ensures they are all strings | ||||
|     public static function array_unique_str($array) { | ||||
|     public static function array_unique_str($array) | ||||
|     { | ||||
|         if (!is_array($array) || empty($array)) { | ||||
|             return array(); | ||||
|         } | ||||
| @@ -358,7 +371,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Same as array_key_exists, but returns the key when exists, else FALSE; | ||||
|     public static function array_key_exists($key, $array) { | ||||
|     public static function array_key_exists($key, $array) | ||||
|     { | ||||
|         if (!is_array($array) || empty($array) || !is_string($key) || empty($key)) { | ||||
|             FALSE; | ||||
|         } | ||||
| @@ -368,7 +382,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Performs explode() on a string with the given delimiter and trims all whitespace | ||||
|     public static function trim_e($str, $delimiter = ',') { | ||||
|     public static function trim_e($str, $delimiter = ',') | ||||
|     { | ||||
|         if (is_string($delimiter)) { | ||||
|             $str = trim(preg_replace('|\s*(?:' . preg_quote($delimiter) . ')\s*|', $delimiter, $str)); | ||||
|             return explode($delimiter, $str); | ||||
| @@ -378,7 +393,8 @@ EOT; | ||||
|  | ||||
|     /*  Creates an array of integers based on a given range string of format "int - int" | ||||
|      Eg. range_str('2 - 5'); */ | ||||
|     public static function range_str($str) { | ||||
|     public static function range_str($str) | ||||
|     { | ||||
|         preg_match('#(\d+)\s*-\s*(\d+)#', $str, $matches); | ||||
|         if (count($matches) == 3) { | ||||
|             return range($matches[1], $matches[2]); | ||||
| @@ -387,7 +403,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Creates an array out of a single range string (e.i "x-y") | ||||
|     public static function range_str_single($str) { | ||||
|     public static function range_str_single($str) | ||||
|     { | ||||
|         $match = preg_match('#(\d+)(?:\s*-\s*(\d+))?#', $str, $matches); | ||||
|         if ($match > 0) { | ||||
|             if (empty($matches[2])) { | ||||
| @@ -401,7 +418,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to a string if valid | ||||
|     public static function str(&$var, $str, $escape = TRUE) { | ||||
|     public static function str(&$var, $str, $escape = TRUE) | ||||
|     { | ||||
|         if (is_string($str)) { | ||||
|             $var = ($escape == TRUE ? self::htmlentities($str) : $str); | ||||
|             return TRUE; | ||||
| @@ -410,21 +428,25 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Converts all special characters to entities | ||||
|     public static function htmlentities($str) { | ||||
|     public static function htmlentities($str) | ||||
|     { | ||||
|         return htmlentities($str, ENT_COMPAT, 'UTF-8'); | ||||
|     } | ||||
|  | ||||
|     public static function html_entity_decode($str) { | ||||
|     public static function html_entity_decode($str) | ||||
|     { | ||||
|         return html_entity_decode($str, ENT_QUOTES, 'UTF-8'); | ||||
|     } | ||||
|  | ||||
|     // Converts <, >, & into entities | ||||
|     public static function htmlspecialchars($str) { | ||||
|     public static function htmlspecialchars($str) | ||||
|     { | ||||
|         return htmlspecialchars($str, ENT_NOQUOTES, 'UTF-8'); | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to an int if valid | ||||
|     public static function num(&$var, $num) { | ||||
|     public static function num(&$var, $num) | ||||
|     { | ||||
|         if (is_numeric($num)) { | ||||
|             $var = intval($num); | ||||
|             return TRUE; | ||||
| @@ -433,7 +455,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to an array if valid | ||||
|     public static function arr(&$var, $array) { | ||||
|     public static function arr(&$var, $array) | ||||
|     { | ||||
|         if (is_array($array)) { | ||||
|             $var = $array; | ||||
|             return TRUE; | ||||
| @@ -442,26 +465,31 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to an array if valid | ||||
|     public static function set_array($var, $array, $false = FALSE) { | ||||
|     public static function set_array($var, $array, $false = FALSE) | ||||
|     { | ||||
|         return isset($array[$var]) ? $array[$var] : $false; | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to null if not set | ||||
|     public static function set_var(&$var, $false = NULL) { | ||||
|     public static function set_var(&$var, $false = NULL) | ||||
|     { | ||||
|         $var = isset($var) ? $var : $false; | ||||
|     } | ||||
|  | ||||
|     // Sets a variable to null if not set | ||||
|     public static function set_default(&$var, $default = NULL) { | ||||
|     public static function set_default(&$var, $default = NULL) | ||||
|     { | ||||
|         return isset($var) ? $var : $default; | ||||
|     } | ||||
|  | ||||
|     public static function set_default_null($var, $default = NULL) { | ||||
|     public static function set_default_null($var, $default = NULL) | ||||
|     { | ||||
|         return $var !== NULL ? $var : $default; | ||||
|     } | ||||
|  | ||||
|     // Thanks, http://www.php.net/manual/en/function.str-replace.php#102186 | ||||
|     function str_replace_once($str_pattern, $str_replacement, $string) { | ||||
|     function str_replace_once($str_pattern, $str_replacement, $string) | ||||
|     { | ||||
|         if (strpos($string, $str_pattern) !== FALSE) { | ||||
|             $occurrence = strpos($string, $str_pattern); | ||||
|             return substr_replace($string, $str_replacement, strpos($string, $str_pattern), strlen($str_pattern)); | ||||
| @@ -470,7 +498,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Removes non-numeric chars in string | ||||
|     public static function clean_int($str, $return_zero = TRUE) { | ||||
|     public static function clean_int($str, $return_zero = TRUE) | ||||
|     { | ||||
|         $str = preg_replace('#[^\d]#', '', $str); | ||||
|         if ($return_zero) { | ||||
|             // If '', then returns 0 | ||||
| @@ -482,38 +511,44 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Replaces whitespace with hypthens | ||||
|     public static function space_to_hyphen($str) { | ||||
|     public static function space_to_hyphen($str) | ||||
|     { | ||||
|         return preg_replace('#\s+#', '-', $str); | ||||
|     } | ||||
|  | ||||
|     // Replaces hypthens with spaces | ||||
|     public static function hyphen_to_space($str) { | ||||
|     public static function hyphen_to_space($str) | ||||
|     { | ||||
|         return preg_replace('#-#', ' ', $str); | ||||
|     } | ||||
|  | ||||
|     // Remove comments with /* */, // or #, if they occur before any other char on a line | ||||
|     public static function clean_comments($str) { | ||||
|     public static function clean_comments($str) | ||||
|     { | ||||
|         $comment_pattern = '#(?:^\s*/\*.*?^\s*\*/)|(?:^(?!\s*$)[\s]*(?://|\#)[^\r\n]*)#ms'; | ||||
|         $str = preg_replace($comment_pattern, '', $str); | ||||
|         return $str; | ||||
|     } | ||||
|  | ||||
|     // Convert to title case and replace underscores with spaces | ||||
|     public static function ucwords($str) { | ||||
|     public static function ucwords($str) | ||||
|     { | ||||
|         $str = strval($str); | ||||
|         $str = str_replace('_', ' ', $str); | ||||
|         return ucwords($str); | ||||
|     } | ||||
|  | ||||
|     // Escapes regex characters as literals | ||||
|     public static function esc_regex($regex) { | ||||
|     public static function esc_regex($regex) | ||||
|     { | ||||
|         return /*htmlspecialchars(*/ | ||||
|             preg_quote($regex) /* , ENT_NOQUOTES)*/ | ||||
|             ; | ||||
|     } | ||||
|  | ||||
|     // Escapes hash character as literals | ||||
|     public static function esc_hash($regex) { | ||||
|     public static function esc_hash($regex) | ||||
|     { | ||||
|         if (is_string($regex)) { | ||||
|             return preg_replace('|(?<!\\\\)#|', '\#', $regex); | ||||
|         } else { | ||||
| @@ -522,18 +557,21 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Ensure all parenthesis are atomic to avoid conflicting with element matches | ||||
|     public static function esc_atomic($regex) { | ||||
|     public static function esc_atomic($regex) | ||||
|     { | ||||
|         return preg_replace('#(?<!\\\\)\((?!\?)#', '(?:', $regex); | ||||
|     } | ||||
|  | ||||
|     // Returns the current HTTP URL | ||||
|     public static function current_url() { | ||||
|     public static function current_url() | ||||
|     { | ||||
|         $p = self::isSecure() ? "https://" : "http://"; | ||||
|         return $p . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; | ||||
|     } | ||||
|  | ||||
|     // Removes crayon plugin path from absolute path | ||||
|     public static function path_rel($url) { | ||||
|     public static function path_rel($url) | ||||
|     { | ||||
|         if (is_string($url)) { | ||||
|             return str_replace(CRAYON_ROOT_PATH, '/', $url); | ||||
|         } | ||||
| @@ -542,13 +580,15 @@ EOT; | ||||
|  | ||||
|     // Returns path according to detected use of forwardslash/backslash | ||||
|     // Deprecated from regular use after v.1.1.1 | ||||
|     public static function path($path, $detect) { | ||||
|     public static function path($path, $detect) | ||||
|     { | ||||
|         $slash = self::detect_slash($detect); | ||||
|         return str_replace(array('\\', '/'), $slash, $path); | ||||
|     } | ||||
|  | ||||
|     // Detect which kind of slash is being used in a path | ||||
|     public static function detect_slash($path) { | ||||
|     public static function detect_slash($path) | ||||
|     { | ||||
|         if (strpos($path, '\\')) { | ||||
|             // Windows | ||||
|             return $slash = '\\'; | ||||
| @@ -559,17 +599,20 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Returns path using forward slashes | ||||
|     public static function pathf($url) { | ||||
|     public static function pathf($url) | ||||
|     { | ||||
|         return str_replace('\\', '/', trim(strval($url))); | ||||
|     } | ||||
|  | ||||
|     // Returns path using back slashes | ||||
|     public static function pathb($url) { | ||||
|     public static function pathb($url) | ||||
|     { | ||||
|         return str_replace('/', '\\', trim(strval($url))); | ||||
|     } | ||||
|  | ||||
|     // returns 'true' or 'false' depending on whether this PHP file was served over HTTPS | ||||
|     public static function isSecure() { | ||||
|     public static function isSecure() | ||||
|     { | ||||
|         // From https://core.trac.wordpress.org/browser/tags/4.0.1/src/wp-includes/functions.php | ||||
|         if (isset($_SERVER['HTTPS'])) { | ||||
|             if ('on' == strtolower($_SERVER['HTTPS'])) | ||||
| @@ -582,12 +625,14 @@ EOT; | ||||
|         return false; | ||||
|     } | ||||
|  | ||||
|     public static function startsWith($haystack, $needle) { | ||||
|     public static function startsWith($haystack, $needle) | ||||
|     { | ||||
|         return substr($haystack, 0, strlen($needle)) === $needle; | ||||
|     } | ||||
|  | ||||
|     // Append either forward slash or backslash based on environment to paths | ||||
|     public static function path_slash($path) { | ||||
|     public static function path_slash($path) | ||||
|     { | ||||
|         $path = self::pathf($path); | ||||
|         if (!empty($path) && !preg_match('#\/$#', $path)) { | ||||
|             $path .= '/'; | ||||
| @@ -598,12 +643,14 @@ EOT; | ||||
|         return $path; | ||||
|     } | ||||
|  | ||||
|     public static function path_slash_remove($path) { | ||||
|     public static function path_slash_remove($path) | ||||
|     { | ||||
|         return preg_replace('#\/+$#', '', $path); | ||||
|     } | ||||
|  | ||||
|     // Append a forward slash to a path if needed | ||||
|     public static function url_slash($url) { | ||||
|     public static function url_slash($url) | ||||
|     { | ||||
|         $url = self::pathf($url); | ||||
|         if (!empty($url) && !preg_match('#\/$#', $url)) { | ||||
|             $url .= '/'; | ||||
| @@ -615,13 +662,15 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Removes extension from file path | ||||
|     public static function path_rem_ext($path) { | ||||
|     public static function path_rem_ext($path) | ||||
|     { | ||||
|         $path = self::pathf($path); | ||||
|         return preg_replace('#\.\w+$#m', '', $path); | ||||
|     } | ||||
|  | ||||
|     // Shorten a URL into a string of given length, used to identify a URL uniquely | ||||
|     public static function shorten_url_to_length($url, $length) { | ||||
|     public static function shorten_url_to_length($url, $length) | ||||
|     { | ||||
|         if ($length < 1) { | ||||
|             return ''; | ||||
|         } | ||||
| @@ -640,16 +689,18 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Creates a unique ID from a string | ||||
|     public static function get_var_str() { | ||||
|     public static function get_var_str() | ||||
|     { | ||||
|         $get_vars = array(); | ||||
|         foreach ($_GET as $get => $val) { | ||||
|             $get_vars[] = $get . '=' . $val; | ||||
|         } | ||||
|         return implode($get_vars, '&'); | ||||
|         return implode('&', $get_vars); | ||||
|     } | ||||
|  | ||||
|     // Creates a unique ID from a string | ||||
|     public static function str_uid($str) { | ||||
|     public static function str_uid($str) | ||||
|     { | ||||
|         $uid = 0; | ||||
|         for ($i = 1; $i < strlen($str); $i++) { | ||||
|             $uid += round(ord($str[$i]) * ($i / strlen($str)), 2) * 100; | ||||
| @@ -658,7 +709,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Breaks up a version string into parts | ||||
|     public static function version_parts($version) { | ||||
|     public static function version_parts($version) | ||||
|     { | ||||
|         preg_match('#[\d+\.]+#msi', $version, $match); | ||||
|         if (count($match[0])) { | ||||
|             return explode('.', $match[0]); | ||||
| @@ -668,7 +720,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Compares two version strings lexicographically | ||||
|     public static function version_compare($a, $b) { | ||||
|     public static function version_compare($a, $b) | ||||
|     { | ||||
|         $a_parts = self::version_parts($a); | ||||
|         $b_parts = self::version_parts($b); | ||||
|         return self::array_compare_lexi($a_parts, $b_parts); | ||||
| @@ -676,7 +729,8 @@ EOT; | ||||
|  | ||||
|     // Compares two arrays lexicographically | ||||
|     // This could be extended with a compare function argument | ||||
|     public static function array_compare_lexi($a, $b) { | ||||
|     public static function array_compare_lexi($a, $b) | ||||
|     { | ||||
|         $short = count($a) < count($b) ? $a : $b; | ||||
|         for ($i = 0; $i < count($short); $i++) { | ||||
|             if ($a[$i] > $b[$i]) { | ||||
| @@ -689,7 +743,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // strpos with an array of $needles | ||||
|     public static function strposa($haystack, $needles, $insensitive = FALSE) { | ||||
|     public static function strposa($haystack, $needles, $insensitive = FALSE) | ||||
|     { | ||||
|         if (is_array($needles)) { | ||||
|             foreach ($needles as $str) { | ||||
|                 if (is_array($str)) { | ||||
| @@ -708,7 +763,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // tests if $needle is equal to any strings in $haystack | ||||
|     public static function str_equal_array($needle, $haystack, $case_insensitive = TRUE) { | ||||
|     public static function str_equal_array($needle, $haystack, $case_insensitive = TRUE) | ||||
|     { | ||||
|         if (!is_string($needle) || !is_array($haystack)) { | ||||
|             return FALSE; | ||||
|         } | ||||
| @@ -730,7 +786,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Support for singular and plural string variations | ||||
|     public static function spnum($int, $singular, $plural = NULL) { | ||||
|     public static function spnum($int, $singular, $plural = NULL) | ||||
|     { | ||||
|         if (!is_int($int) || !is_string($singular)) { | ||||
|             $int = intval($int); | ||||
|             $singular = strval($singular); | ||||
| @@ -742,12 +799,14 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Turn boolean into Yes/No | ||||
|     public static function bool_yn($bool) { | ||||
|     public static function bool_yn($bool) | ||||
|     { | ||||
|         return $bool ? 'Yes' : 'No'; | ||||
|     } | ||||
|  | ||||
|     // String to boolean, default decides what boolean value to return when not found | ||||
|     public static function str_to_bool($str, $default = TRUE) { | ||||
|     public static function str_to_bool($str, $default = TRUE) | ||||
|     { | ||||
|         $str = self::tlower($str); | ||||
|         if ($default === FALSE) { | ||||
|             if ($str == 'true' || $str == 'yes' || $str == '1') { | ||||
| @@ -764,7 +823,8 @@ EOT; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     public static function bool_to_str($bool, $strict = FALSE) { | ||||
|     public static function bool_to_str($bool, $strict = FALSE) | ||||
|     { | ||||
|         if ($strict) { | ||||
|             return $bool === TRUE ? 'true' : 'false'; | ||||
|         } else { | ||||
| @@ -772,24 +832,28 @@ EOT; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     public static function tlower($str) { | ||||
|     public static function tlower($str) | ||||
|     { | ||||
|         return trim(strtolower($str)); | ||||
|     } | ||||
|  | ||||
|     // Escapes $ and \ from the replacement to avoid becoming a backreference | ||||
|     public static function preg_replace_escape_back($pattern, $replacement, $subject, $limit = -1, &$count = 0) { | ||||
|     public static function preg_replace_escape_back($pattern, $replacement, $subject, $limit = -1, &$count = 0) | ||||
|     { | ||||
|         return preg_replace($pattern, self::preg_escape_back($replacement), $subject, $limit, $count); | ||||
|     } | ||||
|  | ||||
|     // Escape backreferences from string for use with regex | ||||
|     public static function preg_escape_back($string) { | ||||
|     public static function preg_escape_back($string) | ||||
|     { | ||||
|         // Replace $ with \$ and \ with \\ | ||||
|         $string = preg_replace('#(\\$|\\\\)#', '\\\\$1', $string); | ||||
|         return $string; | ||||
|     } | ||||
|  | ||||
|     // Detect if on a Mac or PC | ||||
|     public static function is_mac($default = FALSE) { | ||||
|     public static function is_mac($default = FALSE) | ||||
|     { | ||||
|         $user = $_SERVER['HTTP_USER_AGENT']; | ||||
|         if (stripos($user, 'macintosh') !== FALSE) { | ||||
|             return TRUE; | ||||
| @@ -801,7 +865,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Decodes WP html entities | ||||
|     public static function html_entity_decode_wp($str) { | ||||
|     public static function html_entity_decode_wp($str) | ||||
|     { | ||||
|         if (!is_string($str) || empty($str)) { | ||||
|             return $str; | ||||
|         } | ||||
| @@ -814,14 +879,16 @@ EOT; | ||||
|  | ||||
|     // Constructs an html element | ||||
|     // If $content = FALSE, then element is closed | ||||
|     public static function html_element($name, $content = NULL, $attributes = array()) { | ||||
|     public static function html_element($name, $content = NULL, $attributes = array()) | ||||
|     { | ||||
|         $atts = self::html_attributes($attributes); | ||||
|         $tag = "<$name $atts"; | ||||
|         $tag .= $content === FALSE ? '/>' : ">$content</$name>"; | ||||
|         return $tag; | ||||
|     } | ||||
|  | ||||
|     public static function html_attributes($attributes, $assign = '=', $quote = '"', $glue = ' ') { | ||||
|     public static function html_attributes($attributes, $assign = '=', $quote = '"', $glue = ' ') | ||||
|     { | ||||
|         $atts = ''; | ||||
|         foreach ($attributes as $k => $v) { | ||||
|             $atts .= $k . $assign . $quote . $v . $quote . $glue; | ||||
| @@ -830,7 +897,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Strips only the given tags in the given HTML string. | ||||
|     public static function strip_tags_blacklist($html, $tags) { | ||||
|     public static function strip_tags_blacklist($html, $tags) | ||||
|     { | ||||
|         foreach ($tags as $tag) { | ||||
|             $regex = '#<\s*\b' . $tag . '\b[^>]*>.*?<\s*/\s*' . $tag . '\b[^>]*>?#msi'; | ||||
|             $html = preg_replace($regex, '', $html); | ||||
| @@ -839,7 +907,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Strips the given attributes found in the given HTML string. | ||||
|     public static function strip_attributes($html, $atts) { | ||||
|     public static function strip_attributes($html, $atts) | ||||
|     { | ||||
|         foreach ($atts as $att) { | ||||
|             $regex = '#\b' . $att . '\b(\s*=\s*[\'"][^\'"]*[\'"])?(?=[^<]*>)#msi'; | ||||
|             $html = preg_replace($regex, '', $html); | ||||
| @@ -848,7 +917,8 @@ EOT; | ||||
|     } | ||||
|  | ||||
|     // Strips all event attributes on DOM elements (prefixe with "on"). | ||||
|     public static function strip_event_attributes($html) { | ||||
|     public static function strip_event_attributes($html) | ||||
|     { | ||||
|         $regex = '#\bon\w+\b(\s*=\s*[\'"][^\'"]*[\'"])?(?=[^<]*>)#msi'; | ||||
|         return preg_replace($regex, '', $html); | ||||
|     } | ||||
|   | ||||
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