1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace PragmaRX\Random; |
4
|
|
|
|
5
|
|
|
trait Generators |
6
|
|
|
{ |
7
|
|
|
/** |
8
|
|
|
* Generate a random string. |
9
|
|
|
* |
10
|
|
|
* @return string |
11
|
|
|
*/ |
12
|
8 |
|
protected function generate() |
13
|
|
|
{ |
14
|
8 |
|
return $this->numeric |
|
|
|
|
15
|
3 |
|
? $this->generateNumeric() |
16
|
8 |
|
: $this->generateAlpha(); |
17
|
|
|
} |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* Generate a ramdom integer. |
21
|
|
|
* |
22
|
|
|
* @return int |
23
|
|
|
*/ |
24
|
1 |
|
protected function generateInteger() |
25
|
|
|
{ |
26
|
1 |
|
return random_int($this->getStart(), $this->getEnd()); |
|
|
|
|
27
|
|
|
} |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* Generate a random string. |
31
|
|
|
* |
32
|
|
|
* @param \Closure $generator |
33
|
|
|
* @return mixed |
34
|
|
|
*/ |
35
|
8 |
|
protected function generateString($generator) |
36
|
|
|
{ |
37
|
8 |
|
$string = ''; |
38
|
|
|
|
39
|
8 |
|
while (strlen($string) < $size = $this->getSize()) { |
|
|
|
|
40
|
8 |
|
$string .= $this->extractPattern($generator($size)); |
|
|
|
|
41
|
|
|
} |
42
|
|
|
|
43
|
8 |
|
return $this->trimToExpectedSize($string, $size); |
|
|
|
|
44
|
|
|
} |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* Get the alpha generator. |
48
|
|
|
* |
49
|
|
|
* @return mixed |
50
|
|
|
*/ |
51
|
|
|
protected function getAlphaGenerator() |
52
|
|
|
{ |
53
|
7 |
|
return function ($size) { |
54
|
7 |
|
return random_bytes($size); |
55
|
7 |
|
}; |
56
|
|
|
} |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* Get the alpha generator. |
60
|
|
|
* |
61
|
|
|
* @return mixed |
62
|
|
|
*/ |
63
|
|
|
protected function getNumericGenerator() |
64
|
|
|
{ |
65
|
3 |
|
return function () { |
66
|
3 |
|
return random_int(0, PHP_INT_MAX); |
67
|
3 |
|
}; |
68
|
|
|
} |
69
|
|
|
|
70
|
|
|
/** |
71
|
|
|
* Generate a random string. |
72
|
|
|
* |
73
|
|
|
* @return int|string |
74
|
|
|
*/ |
75
|
7 |
|
protected function generateAlpha() |
76
|
|
|
{ |
77
|
7 |
|
return $this->generateString($this->getAlphaGenerator()); |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* Generate a numeric random value. |
82
|
|
|
* |
83
|
|
|
* @return int|string |
84
|
|
|
*/ |
85
|
3 |
|
protected function generateNumeric() |
86
|
|
|
{ |
87
|
3 |
|
if (is_null($this->size) && $this->pattern == static::DEFAULT_PATTERN) { |
|
|
|
|
88
|
1 |
|
return $this->generateInteger(); |
89
|
|
|
} |
90
|
|
|
|
91
|
3 |
|
return $this->generateString($this->getNumericGenerator()); |
92
|
|
|
} |
93
|
|
|
} |
94
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: