125 lines
3.4 KiB
PHP
125 lines
3.4 KiB
PHP
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<?php
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if(!defined('IN_DISCUZ') || (PHP_VERSION < '7.0.0')) {
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exit('Access Denied');
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}
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eval('
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function dpreg_replace_impl($pattern, $replacement, $subject, $limit, &$count) {
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$eval = false;
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$delimiter = $pattern[0];
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if(($position_of_modifier = (int) strrpos($pattern, $delimiter)) > 0) {
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if(($position_of_eval = strpos($pattern, \'e\', $position_of_modifier)) !== false) {
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$eval = true;
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$pattern = substr($pattern, 0, $position_of_eval).substr($pattern, $position_of_eval + 1);
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}
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}
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if($eval) {
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return preg_replace_callback($pattern, function($matches) use ($replacement) {
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$result = \'\';
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$instance = false;
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for($i = 0, $j = strlen($replacement); $i < $j; $i ++) {
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if(($replacement[$i] == \'$\') || ($replacement[$i] == \'\\\\\')) {
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if((($i == 0) || ($replacement[$i - 1] != \'\\\\\')) && isset($replacement[$i + 1])) {
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$get_backref_string = substr($replacement, $i + 1);
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if($get_backref_string[0] == \'{\') {
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$get_backref_result = preg_match(\'/^\\{([0-9]{1,2})\}/\', $get_backref_string, $get_backref_match);
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} else {
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$get_backref_result = preg_match(\'/^([0-9]{1,2})/\', $get_backref_string, $get_backref_match);
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}
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if($get_backref_result) {
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$backref = $get_backref_match[1];
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if(isset($matches[$backref])) {
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$result .= addslashes($matches[$backref]);
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}
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$i += strlen($get_backref_match[0]);
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continue;
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} else {
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if(preg_match(\'/^this([^a-z0-9_]+)/i\', $get_backref_string)) {
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$result .= \'$_\';
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$instance = true;
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continue;
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}
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}
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}
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}
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$result .= $replacement[$i];
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}
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if($instance) {
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$_this = null;
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@$stack = (array) debug_backtrace();
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if(isset($stack[6]) && isset($stack[6][\'object\'])) {
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if(is_object($stack[6][\'object\'])) {
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$_this = $stack[6][\'object\'];
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}
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}
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}
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return eval("return {$result};");
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}, $subject, $limit, $count);
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} else {
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return preg_replace($pattern, $replacement, $subject, $limit, $count);
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}
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}
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function dpreg_replace_in_subject($pattern, $replacement, $subject, $limit, &$count) {
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if(is_array($pattern)) {
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if(is_array($replacement)) {
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reset($replacement);
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} else {
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$replacement_value = $replacement;
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}
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foreach($pattern as $pattern_value) {
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if(is_array($replacement)) {
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if(key($replacement) === null) {
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$replacement_value = \'\';
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} else {
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$replacement_value = current($replacement);
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next($replacement);
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}
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}
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if(($subject = dpreg_replace_impl($pattern_value, $replacement_value, $subject, $limit, $count)) === null) {
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return null;
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}
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}
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return $subject;
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} else {
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return dpreg_replace_impl($pattern, $replacement, $subject, $limit, $count);
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}
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}
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function _dpreg_replace($pattern, $replacement, $subject, $limit = -1, &$count = null) {
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if(is_array($replacement) && !is_array($pattern))
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return preg_replace($pattern, $replacement, $subject, $limit, $count);
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if(is_array($subject)) {
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$result = array();
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foreach($subject as $subject_key => $subject_value) {
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$result[$subject_key] = dpreg_replace_in_subject($pattern, $replacement, $subject_value, $limit, $count);
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}
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return $result;
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} else {
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return dpreg_replace_in_subject($pattern, $replacement, $subject, $limit, $count);
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}
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}
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');
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