1--TEST-- 2Test array_intersect_key() function : usage variation - Passing boolean 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$input_array = array(0 => '0', 1 => '1' , -10 => '-10'); 14$boolean_indx_array = array(true => 'boolt', false => 'boolf', TRUE => 'boolT', FALSE => 'boolF'); 15 16echo "\n-- Testing array_intersect_key() function with boolean indexed array --\n"; 17var_dump( array_intersect_key($input_array, $boolean_indx_array) ); 18var_dump( array_intersect_key($boolean_indx_array,$input_array ) ); 19?> 20===DONE=== 21--EXPECT-- 22*** Testing array_intersect_key() : usage variation *** 23 24-- Testing array_intersect_key() function with boolean indexed array -- 25array(2) { 26 [0]=> 27 string(1) "0" 28 [1]=> 29 string(1) "1" 30} 31array(2) { 32 [1]=> 33 string(5) "boolT" 34 [0]=> 35 string(5) "boolF" 36} 37===DONE=== 38