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1.1     ! misho       1: --TEST--
        !             2: Test array_intersect_assoc() function : basic functionality 
        !             3: --FILE--
        !             4: <?php
        !             5: /* Prototype  : array array_intersect_assoc(array $arr1, array $arr2 [, array $...])
        !             6:  * Description: Returns the entries of arr1 that have values which are present in all the other arguments. 
        !             7:  * Keys are used to do more restrictive check 
        !             8:  * Source code: ext/standard/array.c
        !             9: */
        !            10: 
        !            11: /*
        !            12: * Testing the behavior of array_intersect_assoc() by passing different arrays for the arguments.
        !            13: * Function is tested by passing associative array as well as array with default keys.
        !            14: */
        !            15: 
        !            16: echo "*** Testing array_intersect_assoc() : basic functionality ***\n";
        !            17: 
        !            18: // array with default keys
        !            19: $arr_default_keys = array(1, 2, "hello", 'world');
        !            20: 
        !            21: // associative array
        !            22: $arr_associative = array("one" => 1, "two" => 2);
        !            23: 
        !            24: // default key array for both $arr1 and $arr2 argument
        !            25: var_dump( array_intersect_assoc($arr_default_keys, $arr_default_keys) );
        !            26: 
        !            27: // default key array for $arr1 and associative array for $arr2 argument
        !            28: var_dump( array_intersect_assoc($arr_default_keys, $arr_associative) );
        !            29: 
        !            30: // associative array for $arr1 and default key array for $arr2
        !            31: var_dump( array_intersect_assoc($arr_associative, $arr_default_keys) );
        !            32: 
        !            33: // associative array for both $arr1 and $arr2 argument
        !            34: var_dump( array_intersect_assoc($arr_associative, $arr_associative) );
        !            35: 
        !            36: // more arrays to be intersected
        !            37: $arr3 = array(2, 3, 4);
        !            38: var_dump( array_intersect_assoc($arr_default_keys, $arr_associative, $arr3) );
        !            39: var_dump( array_intersect_assoc($arr_associative, $arr_default_keys, $arr3, $arr_associative) );
        !            40: 
        !            41: echo "Done";
        !            42: ?>
        !            43: --EXPECTF--
        !            44: *** Testing array_intersect_assoc() : basic functionality ***
        !            45: array(4) {
        !            46:   [0]=>
        !            47:   int(1)
        !            48:   [1]=>
        !            49:   int(2)
        !            50:   [2]=>
        !            51:   string(5) "hello"
        !            52:   [3]=>
        !            53:   string(5) "world"
        !            54: }
        !            55: array(0) {
        !            56: }
        !            57: array(0) {
        !            58: }
        !            59: array(2) {
        !            60:   ["one"]=>
        !            61:   int(1)
        !            62:   ["two"]=>
        !            63:   int(2)
        !            64: }
        !            65: array(0) {
        !            66: }
        !            67: array(0) {
        !            68: }
        !            69: Done