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--TEST--
Test usort() function : object functionality - different number of properties
--FILE--
<?php
/* Prototype : bool usort(array $array_arg, string $cmp_function)
* Description: Sort an array by values using a user-defined comparison function
* Source code: ext/standard/array.c
*/
/*
* Pass an array of objects which have a different number of properties
* to test behaviour of usort()
*/
echo "*** Testing usort() : object functionality ***\n";
function simple_cmp($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else
return -1;
}
// comparison function for SimpleClass2 objects which has more than one member
function multiple_cmp($value1, $value2)
{
if($value1->getValue() == $value2->getValue())
return 0;
else if($value1->getValue() > $value2->getValue())
return 1;
else
return -1;
}
// Simple class with single property
class SimpleClass1
{
private $int_value;
public function __construct($value) {
$this->int_value = $value;
}
}
// Simple class with more than one property
class SimpleClass2
{
private $int_value;
protected $float_value;
public $string_value;
public function __construct($int, $float, $str) {
$this->int_value = $int;
$this->float_value = $float;
$this->string_value = $str;
}
public function getValue() {
return $this->int_value;
}
}
// array of SimpleClass objects with only one property
$array_arg = array(
0 => new SimpleClass1(10),
1 => new SimpleClass1(1),
2 => new SimpleClass1(100),
3 => new SimpleClass1(50)
);
var_dump( usort($array_arg, 'simple_cmp') );
var_dump($array_arg);
// array of SimpleClass objects having more than one properties
$array_arg = array(
0 => new SimpleClass2(2, 3.4, "mango"),
1 => new SimpleClass2(10, 1.2, "apple"),
2 => new SimpleClass2(5, 2.5, "orange"),
);
var_dump( usort($array_arg, 'multiple_cmp') );
var_dump($array_arg);
?>
===DONE===
--EXPECTF--
*** Testing usort() : object functionality ***
bool(true)
array(4) {
[0]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(1)
}
[1]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(10)
}
[2]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(50)
}
[3]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(100)
}
}
bool(true)
array(3) {
[0]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(2)
["float_value":protected]=>
float(3.4)
["string_value"]=>
string(5) "mango"
}
[1]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(5)
["float_value":protected]=>
float(2.5)
["string_value"]=>
string(6) "orange"
}
[2]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(10)
["float_value":protected]=>
float(1.2)
["string_value"]=>
string(5) "apple"
}
}
===DONE===
|
