3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = '<table></table><p></p><table></table><p></p><table></table><p></p>'; $dom = new DOMDocument(); libxml_use_internal_errors(true); $dom->loadHTML($content, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); libxml_use_internal_errors(false); $tables = $dom->getElementsByTagName('table'); foreach ($tables as $i => $table) { $table->setAttribute('class', "table_$i"); } echo $dom->saveHTML();
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
<table class="table_0"><p></p><table class="table_1"></table><p></p><table class="table_2"></table><p></p></table>
preferences:
115.24 ms | 408 KiB | 5 Q