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run code in 300+ PHP versions simultaneously
<?php $i = 0; ($f = function ($i) use(&$f, $i) { $i++; echo $i; if ($i < 10) { return; } $f($i); })($i);
Output for 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 - 8.3.6
Fatal error: Cannot use lexical variable $i as a parameter name in /in/Xqahi on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20
1
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Parse error: syntax error, unexpected '(' in /in/Xqahi on line 11
Process exited with code 255.
preferences:
163.29 ms | 402 KiB | 182 Q