3v4l.org

run code in 500+ PHP versions simultaneously
<?php $plaintext_content = '<&>: &lt;&amp;&gt;'; $plaintext_content = strtr( $plaintext_content, array( '<' => '&lt;', '&' => '&amp;', '>' => '&gt;', ) ); echo $plaintext_content === '&lt;&amp;&gt;: &amp;lt;&amp;amp;&amp;gt;' ? '✅ PASS' : '❌ FAIL'; echo "\n"; echo 'Actual: ' . $plaintext_content;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.2.33, 8.3.0 - 8.3.33, 8.4.1 - 8.4.25, 8.5.0 - 8.5.10
✅ PASS Actual: &lt;&amp;&gt;: &amp;lt;&amp;amp;&amp;gt;
preferences:
50.94 ms | 2777 KiB | 4 Q