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run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types = 1); $contributors = ['Me', 'To']; array_walk($contributors, function(string $contributor) : string { $contributor = sprintf("%s, thank you very much for PHP7!", $contributor); }); echo implode("\n", $contributors);
based on SInau
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Return value of {closure}() must be of the type string, none returned in /in/ER3WS:6 Stack trace: #0 [internal function]: {closure}('Me, thank you v...', 0) #1 /in/ER3WS(6): array_walk(Array, Object(Closure)) #2 {main} thrown in /in/ER3WS on line 6
Process exited with code 255.
Output for 5.4.10 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/ER3WS on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/ER3WS on line 4
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Warning: Unsupported declare 'strict_types' in /in/ER3WS on line 2 Parse error: syntax error, unexpected '[' in /in/ER3WS on line 3
Process exited with code 255.