3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(array_filter(['foo'=>'bar','baz'=>'quix'],function($a,$b){ var_dump("$a => $b"); }, 2));
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/Gafu3:2 Stack trace: #0 [internal function]: {closure}('foo') #1 /in/Gafu3(2): array_filter(Array, Object(Closure), 2) #2 {main} thrown in /in/Gafu3 on line 2
Process exited with code 255.
Output for 5.6.7 - 7.0.14
Warning: Missing argument 2 for {closure}() in /in/Gafu3 on line 2 Notice: Undefined variable: b in /in/Gafu3 on line 2 string(7) "foo => " Warning: Missing argument 2 for {closure}() in /in/Gafu3 on line 2 Notice: Undefined variable: b in /in/Gafu3 on line 2 string(7) "baz => " array(0) { }
Output for 5.4.0 - 5.5.35
Warning: array_filter() expects at most 2 parameters, 3 given in /in/Gafu3 on line 2 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/Gafu3 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/Gafu3 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Gafu3 on line 2
Process exited with code 255.