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php

--TEST--
Test array_diff_uassoc() function : usage variation - Comparing integers and floating point numbers
--FILE--
<?php
/* Prototype  : array array_diff_uassoc(array arr1, array arr2 [, array ...], callback key_comp_func)
 * Description: Computes the difference of arrays with additional index check which is performed by a 
 * 				user supplied callback function
 * Source code: ext/standard/array.c
 */

echo "*** Testing array_diff_uassoc() : usage variation ***\n";

//Initialize variables
$arr_default_int = array(1, 2, 3, 4);
$arr_float = array(0 => 1.00, 1.00 => 2.00, 2.00 => 3.00, 3.00 => 4.00);


function key_compare_func($key1, $key2)
{
    if ($key1 === $key2) {
        return 0;
    }
    return ($key1 > $key2)? 1:-1;
}

echo "\n-- Result of comparing integers and floating point numbers --\n";
var_dump( array_diff_uassoc($arr_default_int, $arr_float, "key_compare_func") );
var_dump( array_diff_uassoc($arr_float, $arr_default_int, "key_compare_func") );

?>
===DONE===
--EXPECTF--
*** Testing array_diff_uassoc() : usage variation ***

-- Result of comparing integers and floating point numbers --
array(0) {
}
array(0) {
}
===DONE===