3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "<b>I like 'PHP' & I think it is \"cool\"</b>"; echo "\n"; echo var_export(htmlentities($string, ENT_QUOTES), true); echo "\n"; echo var_export(htmlspecialchars($string), true); ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
'&lt;b&gt;I like &#039;PHP&#039; &amp; I think it is &quot;cool&quot;&lt;/b&gt;' '&lt;b&gt;I like &#039;PHP&#039; &amp; I think it is &quot;cool&quot;&lt;/b&gt;'
Output for 4.3.2 - 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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
'&lt;b&gt;I like &#039;PHP&#039; &amp; I think it is &quot;cool&quot;&lt;/b&gt;' '&lt;b&gt;I like \'PHP\' &amp; I think it is &quot;cool&quot;&lt;/b&gt;'
Output for 4.3.0 - 4.3.1

Process exited with code 139.
preferences:
222.7 ms | 401 KiB | 346 Q