Online PHP editor | output for 7Uth4

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: <script>alert("xss")</script> <script>alert("xss")</script> &lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt; &lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt; &amp;lt;script&amp;gt;alert(&amp;quot;xss&amp;quot;)&amp;lt;/script&amp;gt; &amp;lt;script&amp;gt;alert(&amp;quot;xss&amp;quot;)&amp;lt;/script&amp;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: <script>alert("xss")</script> Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/7Uth4 on line 4 <script>alert("xss")</script> &lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt; Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/7Uth4 on line 6 &lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt; &amp;lt;script&amp;gt;alert(&amp;quot;xss&amp;quot;)&amp;lt;/script&amp;gt; Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/7Uth4 on line 8 &amp;lt;script&amp;gt;alert(&amp;quot;xss&amp;quot;)&amp;lt;/script&amp;gt;
Output for 4.3.0 - 4.3.1: <script>alert("xss")</script> Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/7Uth4 on line 4
Process exited with code 139.