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--TEST--
Test array_intersect_ukey() function : usage variation - Intersection of strings containing integer and float
--FILE--
<?php
/* Prototype : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
* Description: Computes the intersection of arrays using a callback function on the keys for comparison.
* Source code: ext/standard/array.c
*/
echo "*** Testing array_intersect_ukey() : usage variation ***\n";
//Initialize variables
$arr1_string_int = array('0' => '1', '1' => '2');
$arr2_string_int = array('0' => '1', '1' => '3');
$arr1_string_float = array('0.00' => '1.00', '1.00' => '2.00');
$arr2_string_float = array('0.00' => '1.00', '1.00' => '3.00');
//Call back function
function key_compare_func($key1, $key2)
{
if ($key1 == $key2)
return 0;
else
return ($key1 > $key2)? 1:-1;
}
echo "\n-- Result of strings containing integers intersection --\n";
var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_int, 'key_compare_func') );
echo "\n-- Result of strings containing floating points intersection --\n";
var_dump( array_intersect_ukey($arr1_string_float, $arr2_string_float, 'key_compare_func') );
echo "\n-- Result of strings containing integers and strings containing floating points intersection --\n";
var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_float, 'key_compare_func') );
?>
===DONE===
--EXPECTF--
*** Testing array_intersect_ukey() : usage variation ***
-- Result of strings containing integers intersection --
array(2) {
[0]=>
string(1) "1"
[1]=>
string(1) "2"
}
-- Result of strings containing floating points intersection --
array(2) {
["0.00"]=>
string(4) "1.00"
["1.00"]=>
string(4) "2.00"
}
-- Result of strings containing integers and strings containing floating points intersection --
array(2) {
[0]=>
string(1) "1"
[1]=>
string(1) "2"
}
===DONE===
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