Ne-Lexa /
php-zip
| Total Complexity | 78 |
| Total Lines | 449 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like FilesUtil often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use FilesUtil, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 16 | final class FilesUtil |
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| 17 | { |
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| 18 | /** |
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| 19 | * Is empty directory. |
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| 20 | * |
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| 21 | * @param string $dir Directory |
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| 22 | * |
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| 23 | * @return bool |
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| 24 | */ |
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| 25 | public static function isEmptyDir($dir) |
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| 26 | { |
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| 27 | if (!is_readable($dir)) { |
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| 28 | return false; |
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| 29 | } |
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| 30 | |||
| 31 | return \count(scandir($dir)) === 2; |
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Bug
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| 32 | } |
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| 33 | |||
| 34 | /** |
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| 35 | * Remove recursive directory. |
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| 36 | * |
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| 37 | * @param string $dir directory path |
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| 38 | */ |
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| 39 | public static function removeDir($dir) |
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| 40 | { |
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| 41 | $files = new \RecursiveIteratorIterator( |
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| 42 | new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS), |
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| 43 | \RecursiveIteratorIterator::CHILD_FIRST |
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| 44 | ); |
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| 45 | |||
| 46 | foreach ($files as $fileInfo) { |
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| 47 | $function = ($fileInfo->isDir() ? 'rmdir' : 'unlink'); |
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| 48 | $function($fileInfo->getRealPath()); |
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| 49 | } |
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| 50 | rmdir($dir); |
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| 51 | } |
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| 52 | |||
| 53 | /** |
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| 54 | * Convert glob pattern to regex pattern. |
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| 55 | * |
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| 56 | * @param string $globPattern |
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| 57 | * |
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| 58 | * @return string |
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| 59 | */ |
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| 60 | public static function convertGlobToRegEx($globPattern) |
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| 61 | { |
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| 62 | // Remove beginning and ending * globs because they're useless |
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| 63 | $globPattern = trim($globPattern, '*'); |
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| 64 | $escaping = false; |
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| 65 | $inCurrent = 0; |
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| 66 | $chars = str_split($globPattern); |
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| 67 | $regexPattern = ''; |
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| 68 | |||
| 69 | foreach ($chars as $currentChar) { |
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| 70 | switch ($currentChar) { |
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| 71 | case '*': |
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| 72 | $regexPattern .= ($escaping ? '\\*' : '.*'); |
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| 73 | $escaping = false; |
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| 74 | break; |
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| 75 | |||
| 76 | case '?': |
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| 77 | $regexPattern .= ($escaping ? '\\?' : '.'); |
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| 78 | $escaping = false; |
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| 79 | break; |
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| 80 | |||
| 81 | case '.': |
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| 82 | case '(': |
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| 83 | case ')': |
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| 84 | case '+': |
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| 85 | case '|': |
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| 86 | case '^': |
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| 87 | case '$': |
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| 88 | case '@': |
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| 89 | case '%': |
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| 90 | $regexPattern .= '\\' . $currentChar; |
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| 91 | $escaping = false; |
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| 92 | break; |
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| 93 | |||
| 94 | case '\\': |
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| 95 | if ($escaping) { |
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| 96 | $regexPattern .= '\\\\'; |
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| 97 | $escaping = false; |
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| 98 | } else { |
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| 99 | $escaping = true; |
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| 100 | } |
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| 101 | break; |
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| 102 | |||
| 103 | case '{': |
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| 104 | if ($escaping) { |
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| 105 | $regexPattern .= '\\{'; |
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| 106 | } else { |
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| 107 | $regexPattern = '('; |
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| 108 | $inCurrent++; |
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| 109 | } |
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| 110 | $escaping = false; |
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| 111 | break; |
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| 112 | |||
| 113 | case '}': |
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| 114 | if ($inCurrent > 0 && !$escaping) { |
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| 115 | $regexPattern .= ')'; |
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| 116 | $inCurrent--; |
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| 117 | } elseif ($escaping) { |
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| 118 | $regexPattern = '\\}'; |
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| 119 | } else { |
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| 120 | $regexPattern = '}'; |
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| 121 | } |
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| 122 | $escaping = false; |
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| 123 | break; |
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| 124 | |||
| 125 | case ',': |
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| 126 | if ($inCurrent > 0 && !$escaping) { |
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| 127 | $regexPattern .= '|'; |
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| 128 | } elseif ($escaping) { |
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| 129 | $regexPattern .= '\\,'; |
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| 130 | } else { |
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| 131 | $regexPattern = ','; |
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| 132 | } |
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| 133 | break; |
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| 134 | default: |
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| 135 | $escaping = false; |
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| 136 | $regexPattern .= $currentChar; |
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| 137 | } |
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| 138 | } |
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| 139 | |||
| 140 | return $regexPattern; |
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| 141 | } |
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| 142 | |||
| 143 | /** |
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| 144 | * Search files. |
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| 145 | * |
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| 146 | * @param string $inputDir |
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| 147 | * @param bool $recursive |
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| 148 | * @param array $ignoreFiles |
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| 149 | * |
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| 150 | * @return array Searched file list |
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| 151 | */ |
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| 152 | public static function fileSearchWithIgnore($inputDir, $recursive = true, array $ignoreFiles = []) |
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| 153 | { |
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| 154 | if ($recursive) { |
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| 155 | $directoryIterator = new \RecursiveDirectoryIterator($inputDir); |
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| 156 | |||
| 157 | if (!empty($ignoreFiles)) { |
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| 158 | $directoryIterator = new IgnoreFilesRecursiveFilterIterator($directoryIterator, $ignoreFiles); |
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| 159 | } |
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| 160 | $iterator = new \RecursiveIteratorIterator($directoryIterator); |
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| 161 | } else { |
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| 162 | $directoryIterator = new \DirectoryIterator($inputDir); |
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| 163 | |||
| 164 | if (!empty($ignoreFiles)) { |
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| 165 | $directoryIterator = new IgnoreFilesFilterIterator($directoryIterator, $ignoreFiles); |
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| 166 | } |
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| 167 | $iterator = new \IteratorIterator($directoryIterator); |
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| 168 | } |
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| 169 | |||
| 170 | $fileList = []; |
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| 171 | |||
| 172 | foreach ($iterator as $file) { |
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| 173 | if ($file instanceof \SplFileInfo) { |
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| 174 | $fileList[] = $file->getPathname(); |
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| 175 | } |
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| 176 | } |
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| 177 | |||
| 178 | return $fileList; |
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| 179 | } |
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| 180 | |||
| 181 | /** |
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| 182 | * Search files from glob pattern. |
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| 183 | * |
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| 184 | * @param string $globPattern |
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| 185 | * @param int $flags |
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| 186 | * @param bool $recursive |
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| 187 | * |
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| 188 | * @return array Searched file list |
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| 189 | */ |
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| 190 | public static function globFileSearch($globPattern, $flags = 0, $recursive = true) |
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| 191 | { |
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| 192 | $flags = (int) $flags; |
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| 193 | $recursive = (bool) $recursive; |
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| 194 | $files = glob($globPattern, $flags); |
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| 195 | |||
| 196 | if (!$recursive) { |
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| 197 | return $files; |
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| 198 | } |
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| 199 | |||
| 200 | foreach (glob(\dirname($globPattern) . '/*', \GLOB_ONLYDIR | \GLOB_NOSORT) as $dir) { |
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| 201 | // Unpacking the argument via ... is supported starting from php 5.6 only |
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| 202 | /** @noinspection SlowArrayOperationsInLoopInspection */ |
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| 203 | $files = array_merge($files, self::globFileSearch($dir . '/' . basename($globPattern), $flags, $recursive)); |
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| 204 | } |
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| 205 | |||
| 206 | return $files; |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * Search files from regex pattern. |
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| 211 | * |
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| 212 | * @param string $folder |
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| 213 | * @param string $pattern |
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| 214 | * @param bool $recursive |
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| 215 | * |
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| 216 | * @return array Searched file list |
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| 217 | */ |
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| 218 | public static function regexFileSearch($folder, $pattern, $recursive = true) |
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| 219 | { |
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| 220 | if ($recursive) { |
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| 221 | $directoryIterator = new \RecursiveDirectoryIterator($folder); |
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| 222 | $iterator = new \RecursiveIteratorIterator($directoryIterator); |
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| 223 | } else { |
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| 224 | $directoryIterator = new \DirectoryIterator($folder); |
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| 225 | $iterator = new \IteratorIterator($directoryIterator); |
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| 226 | } |
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| 227 | |||
| 228 | $regexIterator = new \RegexIterator($iterator, $pattern, \RegexIterator::MATCH); |
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| 229 | $fileList = []; |
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| 230 | |||
| 231 | foreach ($regexIterator as $file) { |
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| 232 | if ($file instanceof \SplFileInfo) { |
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| 233 | $fileList[] = $file->getPathname(); |
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| 234 | } |
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| 235 | } |
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| 236 | |||
| 237 | return $fileList; |
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| 238 | } |
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| 239 | |||
| 240 | /** |
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| 241 | * Convert bytes to human size. |
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| 242 | * |
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| 243 | * @param int $size Size bytes |
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| 244 | * @param string|null $unit Unit support 'GB', 'MB', 'KB' |
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| 245 | * |
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| 246 | * @return string |
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| 247 | */ |
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| 248 | public static function humanSize($size, $unit = null) |
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| 249 | { |
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| 250 | if (($unit === null && $size >= 1 << 30) || $unit === 'GB') { |
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| 251 | return number_format($size / (1 << 30), 2) . 'GB'; |
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| 252 | } |
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| 253 | |||
| 254 | if (($unit === null && $size >= 1 << 20) || $unit === 'MB') { |
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| 255 | return number_format($size / (1 << 20), 2) . 'MB'; |
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| 256 | } |
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| 257 | |||
| 258 | if (($unit === null && $size >= 1 << 10) || $unit === 'KB') { |
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| 259 | return number_format($size / (1 << 10), 2) . 'KB'; |
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| 260 | } |
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| 261 | |||
| 262 | return number_format($size) . ' bytes'; |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * Normalizes zip path. |
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| 267 | * |
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| 268 | * @param string $path Zip path |
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| 269 | * |
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| 270 | * @return string |
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| 271 | */ |
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| 272 | public static function normalizeZipPath($path) |
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| 280 | } |
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| 281 | ) |
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| 282 | ); |
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| 283 | } |
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| 284 | |||
| 285 | /** |
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| 286 | * Returns whether the file path is an absolute path. |
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| 287 | * |
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| 288 | * @param string $file A file path |
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| 289 | * |
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| 290 | * @return bool |
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| 291 | * |
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| 292 | * @see source symfony filesystem component |
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| 293 | */ |
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| 294 | public static function isAbsolutePath($file) |
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| 295 | { |
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| 296 | return strspn($file, '/\\', 0, 1) |
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| 297 | || ( |
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| 298 | \strlen($file) > 3 && ctype_alpha($file[0]) |
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| 299 | && $file[1] === ':' |
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| 300 | && strspn($file, '/\\', 2, 1) |
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| 301 | ) |
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| 302 | || parse_url($file, \PHP_URL_SCHEME) !== null; |
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| 303 | } |
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| 304 | |||
| 305 | /** |
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| 306 | * @param string $linkPath |
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| 307 | * @param string $target |
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| 308 | * |
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| 309 | * @return bool |
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| 310 | */ |
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| 311 | public static function symlink($target, $linkPath) |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * @param string $file |
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| 340 | * |
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| 341 | * @return bool |
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| 342 | */ |
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| 343 | public static function isBadCompressionFile($file) |
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| 344 | { |
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| 345 | $badCompressFileExt = [ |
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| 346 | 'dic', |
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| 347 | 'dng', |
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| 348 | 'f4v', |
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| 349 | 'flipchart', |
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| 350 | 'h264', |
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| 351 | 'lrf', |
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| 352 | 'mobi', |
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| 353 | 'mts', |
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| 354 | 'nef', |
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| 355 | 'pspimage', |
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| 356 | ]; |
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| 357 | |||
| 358 | $ext = strtolower(pathinfo($file, \PATHINFO_EXTENSION)); |
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| 359 | |||
| 360 | if (\in_array($ext, $badCompressFileExt, true)) { |
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| 361 | return true; |
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| 362 | } |
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| 363 | |||
| 364 | $mimeType = self::getMimeTypeFromFile($file); |
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| 365 | |||
| 366 | return self::isBadCompressionMimeType($mimeType); |
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| 367 | } |
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| 368 | |||
| 369 | /** |
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| 370 | * @param string $mimeType |
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| 371 | * |
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| 372 | * @return bool |
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| 373 | */ |
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| 374 | public static function isBadCompressionMimeType($mimeType) |
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| 375 | { |
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| 376 | static $badDeflateCompMimeTypes = [ |
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| 377 | 'application/epub+zip', |
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| 378 | 'application/gzip', |
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| 379 | 'application/vnd.debian.binary-package', |
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| 380 | 'application/vnd.oasis.opendocument.graphics', |
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| 381 | 'application/vnd.oasis.opendocument.presentation', |
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| 382 | 'application/vnd.oasis.opendocument.text', |
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| 383 | 'application/vnd.oasis.opendocument.text-master', |
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| 384 | 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
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| 385 | 'application/vnd.rn-realmedia', |
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| 386 | 'application/x-7z-compressed', |
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| 387 | 'application/x-arj', |
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| 388 | 'application/x-bzip2', |
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| 389 | 'application/x-hwp', |
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| 390 | 'application/x-lzip', |
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| 391 | 'application/x-lzma', |
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| 392 | 'application/x-ms-reader', |
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| 393 | 'application/x-rar', |
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| 394 | 'application/x-rpm', |
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| 395 | 'application/x-stuffit', |
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| 396 | 'application/x-tar', |
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| 397 | 'application/x-xz', |
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| 398 | 'application/zip', |
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| 399 | 'application/zlib', |
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| 400 | 'audio/flac', |
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| 401 | 'audio/mpeg', |
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| 402 | 'audio/ogg', |
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| 403 | 'audio/vnd.dolby.dd-raw', |
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| 404 | 'audio/webm', |
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| 405 | 'audio/x-ape', |
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| 406 | 'audio/x-hx-aac-adts', |
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| 407 | 'audio/x-m4a', |
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| 408 | 'audio/x-m4a', |
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| 409 | 'audio/x-wav', |
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| 410 | 'image/gif', |
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| 411 | 'image/heic', |
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| 412 | 'image/jp2', |
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| 413 | 'image/jpeg', |
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| 414 | 'image/png', |
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| 415 | 'image/vnd.djvu', |
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| 416 | 'image/webp', |
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| 417 | 'image/x-canon-cr2', |
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| 418 | 'video/ogg', |
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| 419 | 'video/webm', |
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| 420 | 'video/x-matroska', |
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| 421 | 'video/x-ms-asf', |
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| 422 | 'x-epoc/x-sisx-app', |
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| 423 | ]; |
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| 424 | |||
| 425 | if (\in_array($mimeType, $badDeflateCompMimeTypes, true)) { |
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| 426 | return true; |
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| 427 | } |
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| 428 | |||
| 429 | return false; |
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| 430 | } |
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| 431 | |||
| 432 | /** |
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| 433 | * @param string $file |
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| 434 | * |
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| 435 | * @return string |
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| 436 | * |
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| 437 | * @noinspection PhpComposerExtensionStubsInspection |
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| 438 | */ |
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| 439 | public static function getMimeTypeFromFile($file) |
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| 440 | { |
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| 441 | if (\function_exists('mime_content_type')) { |
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| 442 | return mime_content_type($file); |
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| 443 | } |
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| 444 | |||
| 445 | return 'application/octet-stream'; |
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| 446 | } |
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| 447 | |||
| 448 | /** |
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| 449 | * @param string $contents |
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| 450 | * |
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| 451 | * @return string |
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| 452 | * @noinspection PhpComposerExtensionStubsInspection |
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| 453 | */ |
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| 454 | public static function getMimeTypeFromString($contents) |
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| 465 | } |
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| 466 | } |
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| 467 |
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