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run code in 300+ PHP versions simultaneously
<?php $row = array(0, 1, 2, 3, 4); echo " <h2>question</h2> <p>".chr(64 + $row[3])."</p> <h2>answer</h2> <p>".chr(64 + $row[2])."</p>";
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
<h2>question</h2> <p>C</p> <h2>answer</h2> <p>B</p>
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 <h2>question</h2> <p>C</p> <h2>answer</h2> <p>B</p>
preferences:
159.75 ms | 402 KiB | 216 Q