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1.1 misho 1: --TEST-- 2: Test array_merge() function : usage variations - position of internal array pointer 3: --FILE-- 4: <?php 5: /* Prototype : array array_merge(array $arr1, array $arr2 [, array $...]) 6: * Description: Merges elements from passed arrays into one array 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * Check the position of the internal array pointer after calling array_merge(). 12: * This test is also passing more than two arguments to array_merge(). 13: */ 14: 15: echo "*** Testing array_merge() : usage variations ***\n"; 16: 17: $arr1 = array ('zero', 'one', 'two'); 18: $arr2 = array ('zero', 'un', 'deux'); 19: $arr3 = array ('null', 'eins', 'zwei'); 20: 21: echo "\n-- Call array_merge() --\n"; 22: var_dump($result = array_merge($arr1, $arr2, $arr3)); 23: 24: echo "\n-- Position of Internal Pointer in Result: --\n"; 25: echo key($result) . " => " . current($result) . "\n"; 26: 27: echo "\n-- Position of Internal Pointer in Original Array: --\n"; 28: echo "\$arr1: "; 29: echo key($arr1) . " => " . current ($arr1) . "\n"; 30: echo "\$arr2: "; 31: echo key($arr2) . " => " . current ($arr2) . "\n"; 32: echo "\$arr3: "; 33: echo key($arr3) . " => " . current ($arr3) . "\n"; 34: 35: echo "Done"; 36: ?> 37: 38: --EXPECTF-- 39: *** Testing array_merge() : usage variations *** 40: 41: -- Call array_merge() -- 42: array(9) { 43: [0]=> 44: string(4) "zero" 45: [1]=> 46: string(3) "one" 47: [2]=> 48: string(3) "two" 49: [3]=> 50: string(4) "zero" 51: [4]=> 52: string(2) "un" 53: [5]=> 54: string(4) "deux" 55: [6]=> 56: string(4) "null" 57: [7]=> 58: string(4) "eins" 59: [8]=> 60: string(4) "zwei" 61: } 62: 63: -- Position of Internal Pointer in Result: -- 64: 0 => zero 65: 66: -- Position of Internal Pointer in Original Array: -- 67: $arr1: 0 => zero 68: $arr2: 0 => zero 69: $arr3: 0 => null 70: Done