1--TEST-- 2Test array_merge() function : usage variations - numeric keys 3--FILE-- 4<?php 5/* 6 * Pass array_merge() arrays with only numeric keys to test behaviour. 7 * $arr2 contains a duplicate element to $arr1. 8 */ 9 10echo "*** Testing array_merge() : usage variations ***\n"; 11 12//numeric keys 13$arr1 = array('zero', 'one', 'two', 'three'); 14$arr2 = array(1 => 'one', 20 => 'twenty', 30 => 'thirty'); 15 16var_dump(array_merge($arr1, $arr2)); 17var_dump(array_merge($arr2, $arr1)); 18 19echo "Done"; 20?> 21--EXPECT-- 22*** Testing array_merge() : usage variations *** 23array(7) { 24 [0]=> 25 string(4) "zero" 26 [1]=> 27 string(3) "one" 28 [2]=> 29 string(3) "two" 30 [3]=> 31 string(5) "three" 32 [4]=> 33 string(3) "one" 34 [5]=> 35 string(6) "twenty" 36 [6]=> 37 string(6) "thirty" 38} 39array(7) { 40 [0]=> 41 string(3) "one" 42 [1]=> 43 string(6) "twenty" 44 [2]=> 45 string(6) "thirty" 46 [3]=> 47 string(4) "zero" 48 [4]=> 49 string(3) "one" 50 [5]=> 51 string(3) "two" 52 [6]=> 53 string(5) "three" 54} 55Done 56