1 | <?php |
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19 | final class VersionComparator |
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20 | { |
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21 | /** @var Version */ |
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22 | private $first; |
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23 | /** @var Version */ |
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24 | private $second; |
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25 | |||
26 | /** |
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27 | * @param Version $first |
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28 | * @param Version $second |
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29 | */ |
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30 | private function __construct(Version $first, Version $second) |
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35 | |||
36 | /** |
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37 | * @param Version $first |
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38 | * @param Version $second |
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39 | * |
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40 | * @return int |
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41 | */ |
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42 | public static function compare(Version $first, Version $second) : int |
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48 | |||
49 | /** |
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50 | * @return int |
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51 | */ |
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52 | private function doCompare() : int |
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61 | |||
62 | /** |
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63 | * @return int |
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64 | */ |
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65 | private function compareNumericParts() : int |
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79 | |||
80 | /** |
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81 | * @return int |
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82 | */ |
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83 | private function comparePreRelease() : int |
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100 | |||
101 | /** |
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102 | * @param array $identifiers1 |
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103 | * @param array $identifiers2 |
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104 | * |
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105 | * @return int |
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106 | */ |
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107 | private function comparePreReleaseIdentifiers(array $identifiers1, array $identifiers2) : int |
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108 | { |
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109 | $preReleasePart1 = array_shift($identifiers1); |
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110 | $preReleasePart2 = array_shift($identifiers2); |
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111 | if (null === $preReleasePart2) { |
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112 | return (int) (null !== $preReleasePart1); |
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113 | } |
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114 | |||
115 | if (null === $preReleasePart1) { |
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116 | return -1; |
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117 | } |
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118 | |||
119 | $compare = $this->comparePreReleaseIdentifier($preReleasePart1, $preReleasePart2); |
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120 | if (0 === $compare) { |
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121 | return $this->comparePreReleaseIdentifiers($identifiers1, $identifiers2); |
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122 | } |
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123 | |||
124 | return $compare; |
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125 | } |
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126 | |||
127 | /** |
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128 | * @param $identifier1 |
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129 | * @param $identifier2 |
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130 | * |
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131 | * @return int |
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132 | */ |
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133 | private function comparePreReleaseIdentifier($identifier1, $identifier2) : int |
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148 | |||
149 | /** |
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150 | * @param string $identifier |
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151 | * |
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152 | * @return bool |
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153 | */ |
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154 | private function isIdentifierInt(string $identifier) : bool |
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158 | } |
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159 |