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run code in 150+ php & hhvm versions
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<?php function AttrFromString($string) { preg_match_all('/(\S+)=["\']?((?:.(?!["\']?\s+(?:\S+)=|[>"\']))+.)["\']?|(\S+)/', $string, $matches); $newlist = array(); foreach($matches[0] as $yes) { if (strpos($yes, "=")!==false) { $as = explode('=', $yes); } array_push($newlist, array($as[0]. $as[1])); } var_dump($newlist); } AttrFromString("test=hallo tes2=\"doei\" test3='lol' no-pe ja test='niks'");
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(6) { [0]=> array(1) { [0]=> string(9) "testhallo" } [1]=> array(1) { [0]=> string(10) "tes2"doei"" } [2]=> array(1) { [0]=> string(10) "test3'lol'" } [3]=> array(1) { [0]=> string(10) "test3'lol'" } [4]=> array(1) { [0]=> string(10) "test3'lol'" } [5]=> array(1) { [0]=> string(10) "test'niks'" } }
Output for hhvm-3.10.0

Process exited with code 153.