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run code in 500+ PHP versions simultaneously
<?php $doc = new DOMDocument("1.0"); $node = $doc->createElement("input"); $newnode = $doc->appendChild($node); $newnode->setAttribute("required", ''); var_dump($doc->saveHTML());
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(20) "<input required=""> "
preferences:
491.28 ms | 1667 KiB | 4 Q