1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
--TEST--
call_user_func() and friends with named parameters
--FILE--
<?php
$test = function($a = 'a', $b = 'b', $c = 'c') {
echo "a = $a, b = $b, c = $c\n";
};
$test_variadic = function(...$args) {
var_dump($args);
};
$test_ref = function(&$ref) {
$ref++;
};
$test_required = function($a, $b) {
echo "a = $a, b = $b\n";
};
class Test {
public function __construct($a = 'a', $b = 'b', $c = 'c') {
if (func_num_args() != 0) {
echo "a = $a, b = $b, c = $c\n";
}
}
public function method($a = 'a', $b = 'b', $c = 'c') {
echo "a = $a, b = $b, c = $c\n";
}
}
call_user_func($test, 'A', c: 'C');
call_user_func($test, c: 'C', a: 'A');
call_user_func($test, c: 'C');
call_user_func($test_variadic, 'A', c: 'C');
call_user_func($test_ref, ref: null);
var_dump(call_user_func('call_user_func', $test, c: 'D'));
try {
call_user_func($test_required, b: 'B');
} catch (ArgumentCountError $e) {
echo $e->getMessage(), "\n";
}
try {
var_dump(call_user_func('array_slice', [1, 2, 3, 4, 5], length: 2));
} catch (ArgumentCountError $e) {
echo $e->getMessage(), "\n";
}
try {
var_dump(call_user_func('array_slice', [1, 2, 3, 4, 'x' => 5], 3, preserve_keys: true));
} catch (ArgumentCountError $e) {
echo $e->getMessage(), "\n";
}
echo "\n";
$test->__invoke('A', c: 'C');
$test_variadic->__invoke('A', c: 'C');
$test->call(new class {}, 'A', c: 'C');
$test_variadic->call(new class {}, 'A', c: 'C');
echo "\n";
$rf = new ReflectionFunction($test);
$rf->invoke('A', c: 'C');
$rf->invokeArgs(['A', 'c' => 'C']);
$rm = new ReflectionMethod(Test::class, 'method');
$rm->invoke(new Test, 'A', c: 'C');
$rm->invokeArgs(new Test, ['A', 'c' => 'C']);
$rc = new ReflectionClass(Test::class);
$rc->newInstance('A', c: 'C');
$rc->newInstanceArgs(['A', 'c' => 'C']);
?>
--EXPECTF--
a = A, b = b, c = C
a = A, b = b, c = C
a = a, b = b, c = C
array(2) {
[0]=>
string(1) "A"
["c"]=>
string(1) "C"
}
Warning: {closure:%s:%d}(): Argument #1 ($ref) must be passed by reference, value given in %s on line %d
a = a, b = b, c = D
NULL
{closure:%s:%d}(): Argument #1 ($a) not passed
array_slice(): Argument #2 ($offset) not passed
array(2) {
[3]=>
int(4)
["x"]=>
int(5)
}
a = A, b = b, c = C
array(2) {
[0]=>
string(1) "A"
["c"]=>
string(1) "C"
}
a = A, b = b, c = C
array(2) {
[0]=>
string(1) "A"
["c"]=>
string(1) "C"
}
a = A, b = b, c = C
a = A, b = b, c = C
a = A, b = b, c = C
a = A, b = b, c = C
a = A, b = b, c = C
a = A, b = b, c = C
|
