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<?php $struct = [ 'username' => '', 'password' => '', 'someId' => 1, ]; $input = [ 'username' => '', 'password' => '', 'someId' => 1, ]; var_dump(array_merge_recursive($input, $struct)); var_dump(array_diff(array_merge_recursive($input, $struct), $struct));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["username"]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } ["password"]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } ["someId"]=> array(2) { [0]=> int(1) [1]=> int(1) } } Warning: Array to string conversion in /in/1g4cN on line 17 Warning: Array to string conversion in /in/1g4cN on line 17 Warning: Array to string conversion in /in/1g4cN on line 17 array(3) { ["username"]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } ["password"]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } ["someId"]=> array(2) { [0]=> int(1) [1]=> int(1) } }

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