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<?php |
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/** |
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* Defines the \TraderInteractive\Util\File class. |
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*/ |
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namespace TraderInteractive\Util; |
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/** |
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* Class of static file utility functions. |
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*/ |
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final class File |
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{ |
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/** |
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* Recursively deletes directory contents |
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* |
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* @param string $directoryPath absolute path of directory |
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* |
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* @return void |
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* |
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* @throws \Exception if file cannot be deleted |
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* @throws \Exception if directory cannot be deleted |
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* @throws \Exception if $directoryPath cannot be listed |
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*/ |
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public static function deleteDirectoryContents(string $directoryPath) |
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{ |
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$paths = scandir($directoryPath); |
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if ($paths === false) { |
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throw new \Exception("cannot list directory '{$directoryPath}'"); |
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} |
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foreach ($paths as $path) { |
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if ($path === '.' || $path === '..') { |
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continue; |
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} |
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$fullPath = "{$directoryPath}/{$path}"; |
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if (is_dir($fullPath)) { |
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self::deleteDirectoryContents($fullPath);//RECURSIVE CALL |
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if (!rmdir($fullPath)) { |
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throw new \Exception("cannot delete '{$fullPath}'", 1); |
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} |
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} else { |
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if (!unlink($fullPath)) { |
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throw new \Exception("cannot delete '{$fullPath}'", 2); |
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} |
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} |
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} |
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} |
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/** |
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* Deletes the given file specified by $path |
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* |
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* @param string $path path to the file to be deleted |
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* |
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* @return void |
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* |
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* @throws \InvalidArgumentException if $path is whitespace |
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* @throws \Exception if unlink returns false |
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*/ |
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public static function delete(string $path) |
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{ |
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if (trim($path) === '') { |
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throw new \InvalidArgumentException('$path is not a string or is whitespace'); |
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} |
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if (!file_exists($path)) { |
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return; |
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} |
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try { |
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if (unlink($path) === false) { |
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throw new \Exception("unlink returned false for '{$path}'"); |
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} |
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} catch (\Exception $e) { |
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if (file_exists($path)) { |
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throw $e; |
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} |
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} |
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} |
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/** |
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* Recursively deletes the given directory path until a non-empty directory is found or the $stopAtPath is reached. |
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* |
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* @param string $deletePath The empty directory path to delete. |
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* @param string $stopAtPath The point at which the deletion should stop. Defaults to /. |
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* |
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* @return void |
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*/ |
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public static function deletePathIfEmpty(string $deletePath, string $stopAtPath = '/') |
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{ |
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if (!file_exists($deletePath)) { |
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return; |
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} |
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if (realpath($deletePath) === realpath($stopAtPath)) { |
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return; |
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} |
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$handle = dir($deletePath); |
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for ($entry = $handle->read(); $entry !== false; $entry = $handle->read()) { |
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if ($entry == '.' || $entry == '..') { |
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continue; |
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} |
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//dir not empty |
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$handle->close(); |
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return; |
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} |
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rmdir($deletePath); |
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$handle->close(); |
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//RECURSION!!! |
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self::deletePathIfEmpty(dirname($deletePath), $stopAtPath); |
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} |
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} |
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