1--TEST-- 2Test array_intersect_key() function : usage variation - Passing integer indexed array 3--FILE-- 4<?php 5/* Prototype : array array_intersect_key(array arr1, array arr2 [, array ...]) 6 * Description: Returns the entries of arr1 that have keys which are present in all the other arguments. 7 * Source code: ext/standard/array.c 8 */ 9 10echo "*** Testing array_intersect_key() : usage variation ***\n"; 11 12// Initialise function arguments not being substituted (if any) 13$input_array = array(0 => '0', -1 => '-1' , 02 => 'two', -07 => '-07', 0xA => '0xA', -0xC => '-0xc'); 14 15$input_arrays = array( 16 'decimal indexed' => array(10 => '10', '-17' => '-17'), 17 'octal indexed' => array(-011 => '-011', 012 => '012'), 18 'hexa indexed' => array(0x12 => '0x12', -0x7 => '-0x7', ), 19); 20 21foreach($input_arrays as $key =>$value) { 22 echo "\n--$key--\n"; 23 var_dump( array_intersect_key($input_array, $value) ); 24 var_dump( array_intersect_key($value,$input_array ) ); 25} 26?> 27===DONE=== 28--EXPECT-- 29*** Testing array_intersect_key() : usage variation *** 30 31--decimal indexed-- 32array(1) { 33 [10]=> 34 string(3) "0xA" 35} 36array(1) { 37 [10]=> 38 string(2) "10" 39} 40 41--octal indexed-- 42array(1) { 43 [10]=> 44 string(3) "0xA" 45} 46array(1) { 47 [10]=> 48 string(3) "012" 49} 50 51--hexa indexed-- 52array(1) { 53 [-7]=> 54 string(3) "-07" 55} 56array(1) { 57 [-7]=> 58 string(4) "-0x7" 59} 60===DONE=== 61