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<?php $array1 = [1, 2, 3]; $array2 = [1, 2, 3, 4, 5]; echo "******* array_diff array1 array2\n"; print_r(array_diff($array1, $array2)); echo "\n******* array_diff array2 array1\n"; print_r(array_diff($array2, $array1));
Output for git.master, git.master_jit, rfc.property-hooks
******* array_diff array1 array2 Array ( ) ******* array_diff array2 array1 Array ( [3] => 4 [4] => 5 )

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