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run code in 200+ php & hhvm versions
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<?php $html = "[ppp src='name']"; $regex = '#(?:\[[a-z](?^)\G)\K(?:\s+(\w+)=["\'](.*?)["\']|\s*\](.*?)\[/link\])#si'; preg_match_all($regex, $html, $matches, PREG_SET_ORDER); $links = array(); $reset = true; foreach($matches as $match) { if($reset) { $links[] = array( 'params' => array(), 'value' => null ); $reset = false; } end($links); $key = key($links); if(isset($match[3])) { $links[$key]['value'] = $match[3]; $reset = true; } else { $links[$key]['params'][$match[1]] = $match[2]; } } var_dump($links);
based on lsDQd
Output for 5.2.6 - 7.2.6
Warning: preg_match_all(): Compilation failed: unrecognized character after (? or (?- at offset 12 in /in/7lni4 on line 4 Warning: Invalid argument supplied for foreach() in /in/7lni4 on line 9 array(0) { }
Output for 5.2.0 - 5.2.5
Warning: preg_match_all(): Compilation failed: unrecognized character after (? at offset 12 in /in/7lni4 on line 4 Warning: Invalid argument supplied for foreach() in /in/7lni4 on line 9 array(0) { }
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.1.6
Warning: preg_match_all(): Compilation failed: unrecognized character after (? at offset 12 in /in/7lni4 on line 4 array(0) { }
Output for 4.4.9
Warning: preg_match_all(): Compilation failed: unrecognized character after (? or (?- at offset 12 in /in/7lni4 on line 4 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (? at offset 12 in /in/7lni4 on line 4 array(0) { }