3v4l.org

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<?php $a = ['mo' => true, 'tue' => false]; var_dump(array_filter($a, function($k,$v) { return $v; }));
Output for 7.1.0 - 7.1.33, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/EFvim:5 Stack trace: #0 [internal function]: {closure}(true) #1 /in/EFvim(5): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/EFvim on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 2 for {closure}() in /in/EFvim on line 5 Notice: Undefined variable: v in /in/EFvim on line 5 Warning: Missing argument 2 for {closure}() in /in/EFvim on line 5 Notice: Undefined variable: v in /in/EFvim on line 5 array(0) { }

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216.86 ms | 402 KiB | 292 Q