3v4l.org

run code in 500+ PHP versions simultaneously
<?php $html = '<{$headtype} class="{$class}">{$text}</{$headtype}>'; $array['headtype'] = 'h1'; $array['class'] = 'classname'; $array['text'] = 'the title'; foreach ($array as $key => $value) { $html = str_replace('{$'.$key.'}', $value, $html); } echo $html;
Output for 7.0.0 - 7.0.25, 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<h1 class="classname">the title</h1>

preferences:
106.39 ms | 1562 KiB | 4 Q