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--TEST--
Test array_multisort() function : usage variation - test sort order of all types
--FILE--
<?php
echo "*** Testing array_multisort() : usage variation - test sort order of all types***\n";
// Define error handler
function test_error_handler($err_no, $err_msg, $filename, $linenum) {
// We're testing sort order not errors so ignore.
}
set_error_handler('test_error_handler');
// define some classes
class classWithToString {
public function __toString() {
return "Class A object";
}
}
class classWithoutToString { }
$inputs = array(
'int 0' => 0,
'float -10.5' => -10.5,
array(),
'uppercase NULL' => NULL,
'lowercase true' => true,
'empty string DQ' => "",
'string DQ' => "string",
'instance of classWithToString' => new classWithToString(),
'undefined var' => @$undefined_var,
);
var_dump(array_multisort($inputs, SORT_STRING));
var_dump($inputs);
?>
--EXPECT--
*** Testing array_multisort() : usage variation - test sort order of all types***
bool(true)
array(9) {
["uppercase NULL"]=>
NULL
["empty string DQ"]=>
string(0) ""
["undefined var"]=>
NULL
["float -10.5"]=>
float(-10.5)
["int 0"]=>
int(0)
["lowercase true"]=>
bool(true)
[0]=>
array(0) {
}
["instance of classWithToString"]=>
object(classWithToString)#1 (0) {
}
["string DQ"]=>
string(6) "string"
}
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