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|
--TEST--
Test uasort() function : object functionality
--FILE--
<?php
/* Prototype : bool uasort(array $array_arg, string $cmp_function)
* Description: Sort an array with a user-defined comparison function and maintain index association
* Source code: ext/standard/array.c
*/
/*
* Testing uasort() function with the array of objects
* array of objects which has only one member variable & more than one member variables
*/
echo "*** Testing uasort() : object functionality ***\n";
// comparison function
/* Prototype : int cmp(mixed $value1, mixed $value2)
* Parameters : $value1 and $value2 - values to be compared
* Return value : 0 - if both values are same
* 1 - if value1 is greater than value2
* -1 - if value1 is less than value3
* Description : compares value1 and value2
*/
function simple_cmp($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else
return -1;
}
// comparison function for SimpleClass2 objects which has more than one members
function multiple_cmp($value1, $value2)
{
if($value1->getValue() == $value2->getValue())
return 0;
else if($value1->getValue() > $value2->getValue())
return 1;
else
return -1;
}
// Simple class with single member variable
class SimpleClass1
{
private $int_value;
public function __construct($value) {
$this->int_value = $value;
}
}
// Simple class with more than one member variables
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 member
$array_arg = array(
0 => new SimpleClass1(10),
1 => new SimpleClass1(1),
2 => new SimpleClass1(100),
3 => new SimpleClass1(50)
);
var_dump( uasort($array_arg, 'simple_cmp') );
var_dump($array_arg);
// array of SimpleClass objects having more than one members
$array_arg = array(
0 => new SimpleClass2(2, 3.4, "mango"),
1 => new SimpleClass2(10, 1.2, "apple"),
2 => new SimpleClass2(5, 2.5, "orange"),
);
var_dump( uasort($array_arg, 'multiple_cmp') );
var_dump($array_arg);
echo "Done"
?>
--EXPECTF--
*** Testing uasort() : object functionality ***
bool(true)
array(4) {
[1]=>
object(SimpleClass1)#2 (1) {
["int_value":"SimpleClass1":private]=>
int(1)
}
[0]=>
object(SimpleClass1)#1 (1) {
["int_value":"SimpleClass1":private]=>
int(10)
}
[3]=>
object(SimpleClass1)#4 (1) {
["int_value":"SimpleClass1":private]=>
int(50)
}
[2]=>
object(SimpleClass1)#3 (1) {
["int_value":"SimpleClass1":private]=>
int(100)
}
}
bool(true)
array(3) {
[0]=>
object(SimpleClass2)#5 (3) {
["int_value":"SimpleClass2":private]=>
int(2)
["float_value":protected]=>
float(3.4)
["string_value"]=>
string(5) "mango"
}
[2]=>
object(SimpleClass2)#7 (3) {
["int_value":"SimpleClass2":private]=>
int(5)
["float_value":protected]=>
float(2.5)
["string_value"]=>
string(6) "orange"
}
[1]=>
object(SimpleClass2)#6 (3) {
["int_value":"SimpleClass2":private]=>
int(10)
["float_value":protected]=>
float(1.2)
["string_value"]=>
string(5) "apple"
}
}
Done
|
