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<?php $blah= array(array('a'=> 1, 'b' => array('inner' => 2))); $blank = array(); function _test(&$test, &$blank) { foreach ($test as $key => $value) { if (is_array($value) === false) continue; $clonedArray = array(); $clonedArray = array_merge($clonedArray, $test); unset($clonedArray[$key]['a']); $blank[$key] = $clonedArray; if (is_array($value) === true){ _test($test[$key]); } } } _test($blah); var_dump($blah);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function _test(), 1 passed in /in/YpAUG on line 19 and exactly 2 expected in /in/YpAUG:5 Stack trace: #0 /in/YpAUG(19): _test(Array) #1 {main} thrown in /in/YpAUG on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught ArgumentCountError: Too few arguments to function _test(), 1 passed in /in/YpAUG on line 19 and exactly 2 expected in /in/YpAUG:5 Stack trace: #0 /in/YpAUG(19): _test(Array) #1 {main} thrown in /in/YpAUG on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Warning: Missing argument 2 for _test(), called in /in/YpAUG on line 19 and defined in /in/YpAUG on line 5 Warning: Missing argument 2 for _test(), called in /in/YpAUG on line 14 and defined in /in/YpAUG on line 5 Warning: Missing argument 2 for _test(), called in /in/YpAUG on line 14 and defined in /in/YpAUG on line 5 array(1) { [0]=> array(2) { ["a"]=> int(1) ["b"]=> array(1) { ["inner"]=> int(2) } } }

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