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1
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<?php |
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2
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3
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namespace OscaOtero\Env; |
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4
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5
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class Env |
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6
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{ |
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7
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const CONVERT_BOOL = 1; |
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8
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const CONVERT_NULL = 2; |
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9
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const CONVERT_INT = 4; |
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10
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const STRIP_QUOTES = 8; |
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11
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const USE_ENV_ARRAY = 16; |
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12
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const LOCAL_FIRST = 32; |
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13
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14
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public static $options = 15; //All flags enabled |
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15
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public static $default = null; //Default value if not exists |
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16
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17
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/** |
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18
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* Returns an environment variable. |
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19
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* |
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20
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* @param string $name |
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21
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*/ |
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22
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public static function get($name) |
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23
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{ |
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24
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if (self::$options & self::USE_ENV_ARRAY) { |
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25
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$value = isset($_ENV[$name]) ? $_ENV[$name] : false; |
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26
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} elseif (self::$options & self::LOCAL_FIRST) { |
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27
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$value = getenv($name, true); |
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28
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29
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if ($value === false) { |
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30
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$value = getenv($name); |
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31
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} |
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32
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} else { |
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33
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$value = getenv($name); |
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34
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} |
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35
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36
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if ($value === false) { |
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37
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return self::$default; |
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38
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} |
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39
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40
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return self::convert($value); |
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41
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} |
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42
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43
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/** |
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44
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* Converts the type of values like "true", "false", "null" or "123". |
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45
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* |
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46
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* @param string $value |
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47
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* @param int|null $options |
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48
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* |
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49
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* @return mixed |
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50
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*/ |
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51
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public static function convert($value, $options = null) |
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52
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{ |
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53
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if ($options === null) { |
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54
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$options = self::$options; |
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55
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} |
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56
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57
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switch (strtolower($value)) { |
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58
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case 'true': |
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59
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return ($options & self::CONVERT_BOOL) ? true : $value; |
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60
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61
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case 'false': |
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62
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return ($options & self::CONVERT_BOOL) ? false : $value; |
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63
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64
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case 'null': |
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65
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return ($options & self::CONVERT_NULL) ? null : $value; |
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66
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} |
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67
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68
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if (($options & self::CONVERT_INT) && ctype_digit($value)) { |
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69
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return (int) $value; |
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70
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} |
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71
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72
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if (($options & self::STRIP_QUOTES) && !empty($value)) { |
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73
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return self::stripQuotes($value); |
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74
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} |
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75
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76
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return $value; |
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77
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} |
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78
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79
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/** |
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80
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* Strip quotes. |
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81
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* |
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82
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* @param string $value |
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83
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* |
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84
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* @return string |
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85
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*/ |
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86
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private static function stripQuotes($value) |
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87
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{ |
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88
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if ( |
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89
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($value[0] === '"' && substr($value, -1) === '"') |
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90
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|| ($value[0] === "'" && substr($value, -1) === "'") |
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91
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) { |
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92
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return substr($value, 1, -1); |
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93
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} |
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94
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95
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return $value; |
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96
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} |
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97
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} |
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98
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oscarotero /
env
