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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo htmlentities('&<>"\'', ENT_XML1);
Output for 5.4.0 - 7.2.0
&amp;&lt;&gt;"'
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant ENT_XML1 - assumed 'ENT_XML1' in /in/XHBRm on line 3 Warning: htmlentities() expects parameter 2 to be long, string given in /in/XHBRm on line 3