1--TEST-- 2Test array_intersect_ukey() function : usage variation - Intersection of floating points with strings. 3--FILE-- 4<?php 5/* Prototype : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func) 6 * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 7 * Source code: ext/standard/array.c 8 */ 9 10echo "*** Testing array_intersect_ukey() : usage variation ***\n"; 11 12//Initialize variables 13$arr_float = array(0.00 => 1.00, 1.00 => 2.00); 14$arr_string = array('0' => '1', '1' => '2', '2' => '3'); 15$arr_string_float = array('0.00' => '1.00', '1.00' => '2.00'); 16 17//Call back function 18function key_compare_func($key1, $key2) 19{ 20 if ($key1 == $key2) 21 return 0; 22 else 23 return ($key1 > $key2)? 1:-1; 24} 25 26echo "\n-- Result of floating points and strings containing integers intersection --\n"; 27var_dump( array_intersect_ukey($arr_float, $arr_string, 'key_compare_func') ); 28 29echo "\n-- Result of floating points and strings containing floating point intersection --\n"; 30var_dump( array_intersect_ukey($arr_float, $arr_string_float, 'key_compare_func') ); 31?> 32===DONE=== 33--EXPECT-- 34*** Testing array_intersect_ukey() : usage variation *** 35 36-- Result of floating points and strings containing integers intersection -- 37array(2) { 38 [0]=> 39 float(1) 40 [1]=> 41 float(2) 42} 43 44-- Result of floating points and strings containing floating point intersection -- 45array(2) { 46 [0]=> 47 float(1) 48 [1]=> 49 float(2) 50} 51===DONE=== 52