1--TEST--
2Test usort() function : object functionality - different number of properties
3--FILE--
4<?php
5/* Prototype  : bool usort(array $array_arg, string $cmp_function)
6 * Description: Sort an array by values using a user-defined comparison function
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass an array of objects which have a different number of properties
12 * to test behaviour of usort()
13 */
14
15echo "*** Testing usort() : object functionality ***\n";
16
17function simple_cmp($value1, $value2)
18{
19	if($value1 == $value2) {
20		return 0;
21	}
22	else if($value1 > $value2) {
23		return 1;
24	}
25	else
26	return -1;
27}
28
29// comparison function for SimpleClass2 objects which has more than one member
30function multiple_cmp($value1, $value2)
31{
32	if($value1->getValue() == $value2->getValue())
33	return 0;
34	else if($value1->getValue() > $value2->getValue())
35	return 1;
36	else
37	return -1;
38}
39
40// Simple class with single property
41class SimpleClass1
42{
43	private $int_value;
44
45	public function __construct($value) {
46		$this->int_value = $value;
47	}
48}
49
50// Simple class with more than one property
51class SimpleClass2
52{
53	private $int_value;
54	protected $float_value;
55	public $string_value;
56	public function __construct($int, $float, $str) {
57		$this->int_value = $int;
58		$this->float_value = $float;
59		$this->string_value = $str;
60	}
61	public function getValue() {
62		return $this->int_value;
63	}
64}
65
66// array of SimpleClass objects with only one property
67$array_arg = array(
680 => new SimpleClass1(10),
691 => new SimpleClass1(1),
702 => new SimpleClass1(100),
713 => new SimpleClass1(50)
72);
73var_dump( usort($array_arg, 'simple_cmp') );
74var_dump($array_arg);
75
76// array of SimpleClass objects having more than one properties
77$array_arg = array(
780 => new SimpleClass2(2, 3.4, "mango"),
791 => new SimpleClass2(10, 1.2, "apple"),
802 => new SimpleClass2(5, 2.5, "orange"),
81);
82var_dump( usort($array_arg, 'multiple_cmp') );
83var_dump($array_arg);
84?>
85===DONE===
86--EXPECTF--
87*** Testing usort() : object functionality ***
88bool(true)
89array(4) {
90  [0]=>
91  object(SimpleClass1)#%d (1) {
92    ["int_value":"SimpleClass1":private]=>
93    int(1)
94  }
95  [1]=>
96  object(SimpleClass1)#%d (1) {
97    ["int_value":"SimpleClass1":private]=>
98    int(10)
99  }
100  [2]=>
101  object(SimpleClass1)#%d (1) {
102    ["int_value":"SimpleClass1":private]=>
103    int(50)
104  }
105  [3]=>
106  object(SimpleClass1)#%d (1) {
107    ["int_value":"SimpleClass1":private]=>
108    int(100)
109  }
110}
111bool(true)
112array(3) {
113  [0]=>
114  object(SimpleClass2)#%d (3) {
115    ["int_value":"SimpleClass2":private]=>
116    int(2)
117    ["float_value":protected]=>
118    float(3.4)
119    ["string_value"]=>
120    string(5) "mango"
121  }
122  [1]=>
123  object(SimpleClass2)#%d (3) {
124    ["int_value":"SimpleClass2":private]=>
125    int(5)
126    ["float_value":protected]=>
127    float(2.5)
128    ["string_value"]=>
129    string(6) "orange"
130  }
131  [2]=>
132  object(SimpleClass2)#%d (3) {
133    ["int_value":"SimpleClass2":private]=>
134    int(10)
135    ["float_value":protected]=>
136    float(1.2)
137    ["string_value"]=>
138    string(5) "apple"
139  }
140}
141===DONE===