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run code in 300+ PHP versions simultaneously
<?php # https://bugs.php.net/bug.php?id=39521&thanks=6 $dom = new DOMDocument; $dom->appendChild($dom->createElement('element', 'B & B')); echo $dom->saveXml();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.3.4, 8.3.6
Warning: DOMDocument::createElement(): unterminated entity reference B in /in/dM1jv on line 6 <?xml version="1.0"?> <element/>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: DOMDocument::createElement(): unterminated entity reference B in /in/dM1jv on line 6 <?xml version="1.0"?> <element/>

preferences:
200.56 ms | 402 KiB | 293 Q