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run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 'abc'); array_filter($a, function($k,$v) { var_dump($k,$v); });
Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/1Efh5:4 Stack trace: #0 [internal function]: {closure}('abc') #1 /in/1Efh5(4): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/1Efh5 on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/1Efh5:4 Stack trace: #0 [internal function]: {closure}('abc') #1 /in/1Efh5(6): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/1Efh5 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Warning: Missing argument 2 for {closure}() in /in/1Efh5 on line 4 Notice: Undefined variable: v in /in/1Efh5 on line 5 string(3) "abc" NULL
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/1Efh5 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/1Efh5 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1Efh5 on line 4
Process exited with code 255.
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