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<?php $p = array( 'test' => 7, 'checkbox_2' => 'on', 'checkbox_4' => 'on', 'checkbox_10' => 'on', 'Submit' => '', 'name' => 20, ); $checkboxes = array_filter($p, function($key, $val) { echo $key . ' - ' . $val . PHP_EOL; });
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/Wk7PG:12 Stack trace: #0 [internal function]: {closure}(7) #1 /in/Wk7PG(12): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/Wk7PG on line 12
Process exited with code 255.

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