uasort_variation9.phpt [plain text]
--TEST--
Test uasort() function : usage variations - 'cmp_function' with reference argument
--FILE--
<?php
echo "*** Testing uasort() : 'cmp_function' with reference arguments ***\n";
function cmp(&$value1, &$value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else
return -1;
}
$int_values = array(1, 8, 9, 3, 2, 6, 7);
echo "-- Passing integer values to 'cmp_function' --\n";
var_dump( uasort($int_values, 'cmp') );
var_dump($int_values);
$string_values = array("Mango", "Apple", "Orange", "Banana");
echo "-- Passing string values to 'cmp_function' --\n";
var_dump( uasort($string_values, 'cmp') );
var_dump($string_values);
echo "Done"
?>
--EXPECTF--
*** Testing uasort() : 'cmp_function' with reference arguments ***
-- Passing integer values to 'cmp_function' --
bool(true)
array(7) {
[0]=>
int(1)
[4]=>
int(2)
[3]=>
int(3)
[5]=>
int(6)
[6]=>
int(7)
[1]=>
int(8)
[2]=>
int(9)
}
-- Passing string values to 'cmp_function' --
bool(true)
array(4) {
[1]=>
string(5) "Apple"
[3]=>
string(6) "Banana"
[0]=>
string(5) "Mango"
[2]=>
string(6) "Orange"
}
Done