1--TEST-- 2Test array_intersect_assoc() function : basic functionality 3--FILE-- 4<?php 5/* Prototype : array array_intersect_assoc(array $arr1, array $arr2 [, array $...]) 6 * Description: Returns the entries of arr1 that have values which are present in all the other arguments. 7 * Keys are used to do more restrictive check 8 * Source code: ext/standard/array.c 9*/ 10 11/* 12* Testing the behavior of array_intersect_assoc() by passing different arrays for the arguments. 13* Function is tested by passing associative array as well as array with default keys. 14*/ 15 16echo "*** Testing array_intersect_assoc() : basic functionality ***\n"; 17 18// array with default keys 19$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 $arr2 argument 25var_dump( array_intersect_assoc($arr_default_keys, $arr_default_keys) ); 26 27// default key array for $arr1 and associative array for $arr2 argument 28var_dump( array_intersect_assoc($arr_default_keys, $arr_associative) ); 29 30// associative array for $arr1 and default key array for $arr2 31var_dump( array_intersect_assoc($arr_associative, $arr_default_keys) ); 32 33// associative array for both $arr1 and $arr2 argument 34var_dump( array_intersect_assoc($arr_associative, $arr_associative) ); 35 36// more arrays to be intersected 37$arr3 = array(2, 3, 4); 38var_dump( array_intersect_assoc($arr_default_keys, $arr_associative, $arr3) ); 39var_dump( array_intersect_assoc($arr_associative, $arr_default_keys, $arr3, $arr_associative) ); 40 41echo "Done"; 42?> 43--EXPECT-- 44*** Testing array_intersect_assoc() : basic functionality *** 45array(4) { 46 [0]=> 47 int(1) 48 [1]=> 49 int(2) 50 [2]=> 51 string(5) "hello" 52 [3]=> 53 string(5) "world" 54} 55array(0) { 56} 57array(0) { 58} 59array(2) { 60 ["one"]=> 61 int(1) 62 ["two"]=> 63 int(2) 64} 65array(0) { 66} 67array(0) { 68} 69Done 70