1--TEST-- 2Test array_diff_uassoc() function : usage variation - Comparing integers and floating point numbers 3--FILE-- 4<?php 5echo "*** Testing array_diff_uassoc() : usage variation ***\n"; 6 7//Initialize variables 8$arr_default_int = array(1, 2, 3, 4); 9$arr_float = array(0 => 1.00, 1 => 2.00, 2 => 3.00, 3 => 4.00); 10 11 12function key_compare_func($key1, $key2) 13{ 14 if ($key1 === $key2) { 15 return 0; 16 } 17 return ($key1 > $key2)? 1:-1; 18} 19 20echo "\n-- Result of comparing integers and floating point numbers --\n"; 21var_dump( array_diff_uassoc($arr_default_int, $arr_float, "key_compare_func") ); 22var_dump( array_diff_uassoc($arr_float, $arr_default_int, "key_compare_func") ); 23 24?> 25--EXPECT-- 26*** Testing array_diff_uassoc() : usage variation *** 27 28-- Result of comparing integers and floating point numbers -- 29array(0) { 30} 31array(0) { 32} 33