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1.1 misho 1: --TEST-- 2: Test array_diff_key() : basic functionality 3: --FILE-- 4: <?php 5: /* 6: * proto array array_diff_key(array arr1, array arr2 [, array ...]) 7: * Function is implemented in ext/standard/array.c 8: */ 9: $array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); 10: $array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); 11: var_dump(array_diff_key($array1, $array2)); 12: ?> 13: --EXPECT-- 14: array(2) { 15: ["red"]=> 16: int(2) 17: ["purple"]=> 18: int(4) 19: }