1--TEST-- 2Test array_merge() function : usage variations - numeric keys 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 * Pass array_merge() arrays with only numeric keys to test behaviour. 12 * $arr2 contains a duplicate element to $arr1. 13 */ 14 15echo "*** Testing array_merge() : usage variations ***\n"; 16 17//numeric keys 18$arr1 = array('zero', 'one', 'two', 'three'); 19$arr2 = array(1 => 'one', 20 => 'twenty', 30 => 'thirty'); 20 21var_dump(array_merge($arr1, $arr2)); 22var_dump(array_merge($arr2, $arr1)); 23 24echo "Done"; 25?> 26 27--EXPECTF-- 28*** Testing array_merge() : usage variations *** 29array(7) { 30 [0]=> 31 string(4) "zero" 32 [1]=> 33 string(3) "one" 34 [2]=> 35 string(3) "two" 36 [3]=> 37 string(5) "three" 38 [4]=> 39 string(3) "one" 40 [5]=> 41 string(6) "twenty" 42 [6]=> 43 string(6) "thirty" 44} 45array(7) { 46 [0]=> 47 string(3) "one" 48 [1]=> 49 string(6) "twenty" 50 [2]=> 51 string(6) "thirty" 52 [3]=> 53 string(4) "zero" 54 [4]=> 55 string(3) "one" 56 [5]=> 57 string(3) "two" 58 [6]=> 59 string(5) "three" 60} 61Done