usort_variation9.phpt [plain text]
--TEST--
Test usort() function : usage variations - referenced variables
--FILE--
<?php
echo "*** Testing usort() : usage variation ***\n";
function cmp_function($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else {
return -1;
}
}
$value1 = -5;
$value2 = 100;
$value3 = 0;
$value4 = &$value1;
$array_arg = array(
0 => 10,
1 => &$value4,
2 => &$value2,
3 => 200,
4 => &$value3,
);
echo "\n-- Sorting \$array_arg containing different references --\n";
var_dump( usort($array_arg, 'cmp_function') );
var_dump($array_arg);
?>
===DONE===
--EXPECTF--
*** Testing usort() : usage variation ***
-- Sorting $array_arg containing different references --
bool(true)
array(5) {
[0]=>
&int(-5)
[1]=>
&int(0)
[2]=>
int(10)
[3]=>
&int(100)
[4]=>
int(200)
}
===DONE===