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<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); function test(&$item, $key) { if($item == 'orange') return false; return true; } array_filter($fruits, 'test'); var_dump($fruits);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: test(): Argument #1 ($item) must be passed by reference, value given in /in/KSWPO on line 14 Fatal error: Uncaught ArgumentCountError: Too few arguments to function test(), 1 passed and exactly 2 expected in /in/KSWPO:5 Stack trace: #0 [internal function]: test('lemon') #1 /in/KSWPO(14): array_filter(Array, 'test') #2 {main} thrown in /in/KSWPO on line 5
Process exited with code 255.

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