|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Phoole (PHP7.2+) |
|
4
|
|
|
* |
|
5
|
|
|
* @category Library |
|
6
|
|
|
* @package Phoole\Env |
|
7
|
|
|
* @copyright Copyright (c) 2019 Hong Zhang |
|
8
|
|
|
*/ |
|
9
|
|
|
declare(strict_types=1); |
|
10
|
|
|
|
|
11
|
|
|
namespace Phoole\Env; |
|
12
|
|
|
|
|
13
|
|
|
use Phoole\Base\Reference\{ReferenceTrait, ReferenceInterface}; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* Load environment key/value pairs from certain path. |
|
17
|
|
|
* |
|
18
|
|
|
* @package Phoole\Env |
|
19
|
|
|
*/ |
|
20
|
|
|
class Environment implements ReferenceInterface |
|
21
|
|
|
{ |
|
22
|
|
|
use ReferenceTrait; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Load environment variables from a .env file |
|
26
|
|
|
* |
|
27
|
|
|
* @param string $path full path of the .env file |
|
28
|
|
|
* @param bool $overwrite overwrite existing values |
|
29
|
|
|
* @throws \RuntimeException if $path not readable |
|
30
|
|
|
* @return object $this able to chain |
|
31
|
|
|
*/ |
|
32
|
|
|
public function load(string $path, bool $overwrite = false): object |
|
33
|
|
|
{ |
|
34
|
|
|
return $this->parse($this->loadPath($path), $overwrite); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Parse an array to set environment variables |
|
39
|
|
|
* |
|
40
|
|
|
* @param array $arr full path of the .env file |
|
41
|
|
|
* @param bool $overwrite overwrite existing env values |
|
42
|
|
|
* @return object $this able to chain |
|
43
|
|
|
*/ |
|
44
|
|
|
public function parse(array $arr, bool $overwrite = false): object |
|
45
|
|
|
{ |
|
46
|
|
|
foreach ($arr as $key => $val) { |
|
47
|
|
|
$this->setEnv($key, $this->deReferenceString($val), $overwrite); |
|
48
|
|
|
} |
|
49
|
|
|
return $this; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* load content of a file into array |
|
54
|
|
|
* |
|
55
|
|
|
* @param string $path full path of the .env file |
|
56
|
|
|
* @throws \RuntimeException if $path not readable |
|
57
|
|
|
* @return array |
|
58
|
|
|
*/ |
|
59
|
|
|
protected function loadPath(string $path): array |
|
60
|
|
|
{ |
|
61
|
|
|
try { |
|
62
|
|
|
if ($str = \file_get_contents($path)) { |
|
63
|
|
|
return $this->parseString($str); |
|
64
|
|
|
} |
|
65
|
|
|
return []; |
|
66
|
|
|
} catch (\Throwable $e) { |
|
67
|
|
|
throw new \RuntimeException($e->getMessage()); |
|
68
|
|
|
} |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
/** |
|
72
|
|
|
* Parse 'ENV = value' into pairs |
|
73
|
|
|
* |
|
74
|
|
|
* @param string $str string to parse |
|
75
|
|
|
* @return array |
|
76
|
|
|
*/ |
|
77
|
|
|
protected function parseString(string $str): array |
|
78
|
|
|
{ |
|
79
|
|
|
$regex = |
|
80
|
|
|
'~^\s*+ |
|
81
|
|
|
(?: |
|
82
|
|
|
(?:([^#\s=]++) \s*+ = \s*+ |
|
83
|
|
|
(?| |
|
84
|
|
|
(([^"\'#\s][^#\n]*?)) | |
|
85
|
|
|
(["\'])((?:\\\2|.)*?)\2 |
|
86
|
|
|
)? |
|
87
|
|
|
) | |
|
88
|
|
|
(?: (\.|source) \s++ ([^#\n]*) ) |
|
89
|
|
|
)\s*?(?:[#].*)? |
|
90
|
|
|
$~mx'; |
|
91
|
|
|
|
|
92
|
|
|
$pairs = []; |
|
93
|
|
|
if (\preg_match_all($regex, $str, $matched, \PREG_SET_ORDER)) { |
|
94
|
|
|
foreach ($matched as $m) { |
|
95
|
|
|
if (isset($m[3])) { |
|
96
|
|
|
$pairs[$m[1]] = $m[3]; |
|
97
|
|
|
} else { |
|
98
|
|
|
$pairs[$m[1]] = ''; |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
return $pairs; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* {@inheritDoc} |
|
107
|
|
|
*/ |
|
108
|
|
|
protected function getReference(string $name) |
|
109
|
|
|
{ |
|
110
|
|
|
$default = ''; |
|
111
|
|
|
if (false !== strpos($name, ':-')) { |
|
112
|
|
|
list($name, $default) = explode(':-', $name, 2); |
|
113
|
|
|
} elseif (false !== strpos($name, ':=')) { |
|
114
|
|
|
list($name, $default) = explode(':=', $name, 2); |
|
115
|
|
|
$this->setEnv($name, $default, false); |
|
116
|
|
|
} |
|
117
|
|
|
return getenv($name) === false ? $default : getenv($name); |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
/** |
|
121
|
|
|
* @param string $key key to set |
|
122
|
|
|
* @param string $val value to set |
|
123
|
|
|
* @param bool $overwrite |
|
124
|
|
|
* @return void |
|
125
|
|
|
*/ |
|
126
|
|
|
protected function setEnv(string $key, string $val, bool $overwrite): void |
|
127
|
|
|
{ |
|
128
|
|
|
if ($overwrite || false === getenv($key)) { |
|
129
|
|
|
putenv("$key=$val"); |
|
130
|
|
|
} |
|
131
|
|
|
} |
|
132
|
|
|
} |
|
133
|
|
|
|
phoole /
env
