3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ ['post_content' => '<div id="foo"></div>'], ['post_content' => '<div id="bar"></div>'], ]; array_walk($data, function(&$value, $key) { $value['post_content'] = htmlentities($value['post_content']); }); print_r($data);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => Array ( [post_content] => &lt;div id=&quot;foo&quot;&gt;&lt;/div&gt; ) [1] => Array ( [post_content] => &lt;div id=&quot;bar&quot;&gt;&lt;/div&gt; ) )
preferences:
246.26 ms | 404 KiB | 292 Q