3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '<iframe width=800><embed width=300>fdgdfg</embed>sfsdfsdf</iframe>'; $matches = array(); var_dump( preg_match('~width=["\']?(\d+)["\']?~', $s, $matshes) ); var_dump($matshes);

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41.07 ms | 402 KiB | 5 Q