3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('foo' => true, 'bar' => false); array_filter($a, function ($b, $k) { print_r($a); print_r($b); });
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/RDM2F:5 Stack trace: #0 [internal function]: {closure}(true) #1 /in/RDM2F(5): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/RDM2F on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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/RDM2F:5 Stack trace: #0 [internal function]: {closure}(true) #1 /in/RDM2F(8): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/RDM2F on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.21, 7.0.0 - 7.0.20
Warning: Missing argument 2 for {closure}() in /in/RDM2F on line 5 Notice: Undefined variable: a in /in/RDM2F on line 6 1 Warning: Missing argument 2 for {closure}() in /in/RDM2F on line 5 Notice: Undefined variable: a in /in/RDM2F on line 6
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/RDM2F on line 5
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/RDM2F on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/RDM2F on line 5
Process exited with code 255.
preferences:
267.31 ms | 401 KiB | 359 Q