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run code in 300+ PHP versions simultaneously
<?php $dis = [45 => 422.555, 67=> 596.555, 72 => 322.55]; asort($dis); $arr = reset($dis); echo key(arr);
Output for 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 - 8.3.7
Fatal error: Uncaught Error: Undefined constant "arr" in /in/CT7AB:6 Stack trace: #0 {main} thrown in /in/CT7AB on line 6
Process exited with code 255.
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 Fatal error: Uncaught Error: Undefined constant "arr" in /in/CT7AB:6 Stack trace: #0 {main} thrown in /in/CT7AB on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant arr - assumed 'arr' (this will throw an Error in a future version of PHP) in /in/CT7AB on line 6 Warning: key() expects parameter 1 to be array, string given in /in/CT7AB on line 6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant arr - assumed 'arr' in /in/CT7AB on line 6 Warning: key() expects parameter 1 to be array, string given in /in/CT7AB on line 6

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177.17 ms | 402 KiB | 204 Q