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run code in 300+ PHP versions simultaneously
<?php function add($x) { return function($y = null) use ($x) { if (is_null($y)) return $x; else return add($x + $y); }; } var_dump add(2); echo add(2)->__invoke(40)->__invoke();
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'add' (T_STRING) in /in/uslfZ on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/uslfZ on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/uslfZ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/uslfZ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/uslfZ on line 4
Process exited with code 255.
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200.85 ms | 1395 KiB | 123 Q