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<?php |
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/** |
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* Created by PhpStorm. |
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* User: yiranzai |
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* Date: 19-3-6 |
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* Time: δΈε6:32 |
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*/ |
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namespace Yiranzai\Dht; |
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use FilesystemIterator; |
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class Filesystem |
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{ |
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/** |
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* Determine if a file or directory exists. |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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public function exists($path) |
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{ |
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return file_exists($path); |
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} |
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/** |
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* Get the contents of a file. |
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* |
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* @param string $path |
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* @param bool $lock |
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* @return string |
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*/ |
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public function get($path, $lock = false) |
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{ |
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if ($this->isFile($path)) { |
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return $lock ? $this->sharedGet($path) : file_get_contents($path); |
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} |
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throw new \RuntimeException("File does not exist at path {$path}"); |
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} |
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/** |
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* Get contents of a file with shared access. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function sharedGet($path) |
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{ |
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$contents = ''; |
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$handle = fopen($path, 'rb'); |
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if ($handle) { |
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try { |
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if (flock($handle, LOCK_SH)) { |
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clearstatcache(true, $path); |
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$contents = fread($handle, $this->size($path) ?: 1); |
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flock($handle, LOCK_UN); |
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} |
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} finally { |
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fclose($handle); |
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} |
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} |
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return $contents; |
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} |
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/** |
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* Get the returned value of a file. |
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* |
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* @param string $path |
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* @return mixed |
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* |
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*/ |
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public function getRequire($path) |
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{ |
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if ($this->isFile($path)) { |
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return require $path; |
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} |
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throw new \RuntimeException("File does not exist at path {$path}"); |
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} |
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/** |
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* Require the given file once. |
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* |
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* @param string $file |
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* @return mixed |
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*/ |
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public function requireOnce($file) |
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{ |
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require_once $file; |
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} |
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/** |
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* Get the MD5 hash of the file at the given path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function hash($path) |
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{ |
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return md5_file($path); |
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} |
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/** |
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* Write the contents of a file. |
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* |
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* @param string $path |
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* @param string $contents |
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* @param bool $lock |
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* @return int |
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*/ |
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public function put($path, $contents, $lock = false) |
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{ |
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return file_put_contents($path, $contents, $lock ? LOCK_EX : 0); |
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} |
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/** |
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* Prepend to a file. |
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* |
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* @param string $path |
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* @param string $data |
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* @return int |
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*/ |
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public function prepend($path, $data) |
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{ |
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if ($this->exists($path)) { |
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return $this->put($path, $data . $this->get($path)); |
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} |
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return $this->put($path, $data); |
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} |
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/** |
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* Append to a file. |
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* |
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* @param string $path |
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* @param string $data |
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* @return int |
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*/ |
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public function append($path, $data) |
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{ |
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return file_put_contents($path, $data, FILE_APPEND); |
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} |
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/** |
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* Get or set UNIX mode of a file or directory. |
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* |
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* @param string $path |
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* @param int $mode |
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* @return mixed |
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*/ |
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public function chmod($path, $mode = null) |
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{ |
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if ($mode) { |
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return chmod($path, $mode); |
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} |
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return substr(sprintf('%o', fileperms($path)), -4); |
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} |
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/** |
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* Delete the file at a given path. |
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* |
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* @param string|array $paths |
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* @return bool |
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*/ |
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public function delete($paths) |
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{ |
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$paths = is_array($paths) ? $paths : func_get_args(); |
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$success = true; |
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foreach ($paths as $path) { |
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try { |
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if (!@unlink($path)) { |
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$success = false; |
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} |
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} catch (\Exception $e) { |
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$success = false; |
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} |
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} |
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return $success; |
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} |
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/** |
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* Move a file to a new location. |
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* |
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* @param string $path |
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* @param string $target |
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* @return bool |
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*/ |
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public function move($path, $target) |
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{ |
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return rename($path, $target); |
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} |
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/** |
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* Copy a file to a new location. |
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* |
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* @param string $path |
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* @param string $target |
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* @return bool |
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*/ |
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public function copy($path, $target) |
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{ |
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return copy($path, $target); |
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} |
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/** |
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* Create a hard link to the target file or directory. |
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* |
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* @param string $target |
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* @param string $link |
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* @return void |
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*/ |
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public function link($target, $link) |
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{ |
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if (!$this->windowsOs()) { |
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return symlink($target, $link); |
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} |
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$mode = $this->isDirectory($target) ? 'J' : 'H'; |
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exec("mklink /{$mode} \"{$link}\" \"{$target}\""); |
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} |
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/** |
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* Extract the file name from a file path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function name($path) |
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{ |
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return pathinfo($path, PATHINFO_FILENAME); |
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} |
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/** |
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* Extract the trailing name component from a file path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function basename($path) |
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{ |
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return pathinfo($path, PATHINFO_BASENAME); |
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} |
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/** |
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* Extract the parent directory from a file path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function dirname($path) |
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{ |
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return pathinfo($path, PATHINFO_DIRNAME); |
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} |
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/** |
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* Extract the file extension from a file path. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function extension($path) |
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{ |
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return pathinfo($path, PATHINFO_EXTENSION); |
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} |
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/** |
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* Get the file type of a given file. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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public function type($path) |
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{ |
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return filetype($path); |
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} |
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/** |
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* Get the mime-type of a given file. |
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* |
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* @param string $path |
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* @return string|false |
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*/ |
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public function mimeType($path) |
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{ |
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return finfo_file(finfo_open(FILEINFO_MIME_TYPE), $path); |
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} |
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/** |
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* Get the file size of a given file. |
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* |
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* @param string $path |
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* @return int |
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*/ |
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public function size($path) |
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{ |
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return filesize($path); |
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} |
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/** |
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* Get the file's last modification time. |
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* |
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* @param string $path |
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* @return int |
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*/ |
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public function lastModified($path) |
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{ |
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return filemtime($path); |
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} |
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/** |
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* Determine if the given path is a directory. |
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* |
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* @param string $directory |
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* @return bool |
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*/ |
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public function isDirectory($directory) |
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{ |
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return is_dir($directory); |
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} |
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/** |
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* Determine if the given path is readable. |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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public function isReadable($path) |
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{ |
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return is_readable($path); |
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} |
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/** |
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* Determine if the given path is writable. |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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public function isWritable($path) |
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{ |
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return is_writable($path); |
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} |
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/** |
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* Determine if the given path is a file. |
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* |
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* @param string $file |
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* @return bool |
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*/ |
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3 |
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public function isFile($file) |
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{ |
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return is_file($file); |
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} |
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/** |
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* Find path names matching a given pattern. |
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* |
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* @param string $pattern |
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* @param int $flags |
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* @return array |
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*/ |
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public function glob($pattern, $flags = 0) |
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{ |
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return glob($pattern, $flags); |
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} |
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/** |
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* Create a directory. |
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* |
381
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* @param string $path |
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* @param int $mode |
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* @param bool $recursive |
384
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* @param bool $force |
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* @return bool |
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*/ |
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|
3 |
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public function makeDirectory($path, $mode = 0755, $recursive = false, $force = false) |
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{ |
389
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3 |
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if ($force) { |
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return @mkdir($path, $mode, $recursive); |
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} |
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|
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3 |
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return mkdir($path, $mode, $recursive); |
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} |
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396
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/** |
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* Move a directory. |
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* |
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* @param string $from |
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* @param string $to |
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* @param bool $overwrite |
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* @return bool |
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*/ |
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public function moveDirectory($from, $to, $overwrite = false) |
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{ |
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if ($overwrite && $this->isDirectory($to)) { |
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if (!$this->deleteDirectory($to)) { |
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return false; |
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} |
410
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} |
411
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|
412
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return @rename($from, $to) === true; |
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} |
414
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|
415
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|
/** |
416
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* Copy a directory from one location to another. |
417
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|
|
* |
418
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* @param string $directory |
419
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* @param string $destination |
420
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* @param int $options |
421
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* @return bool |
422
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*/ |
423
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|
public function copyDirectory($directory, $destination, $options = null) |
424
|
|
|
{ |
425
|
|
|
if (!$this->isDirectory($directory)) { |
426
|
|
|
return false; |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
$options = $options ?: FilesystemIterator::SKIP_DOTS; |
430
|
|
|
|
431
|
|
|
// If the destination directory does not actually exist, we will go ahead and |
432
|
|
|
// create it recursively, which just gets the destination prepared to copy |
433
|
|
|
// the files over. Once we make the directory we'll proceed the copying. |
434
|
|
|
if (!$this->isDirectory($destination)) { |
435
|
|
|
$this->makeDirectory($destination, 0777, true); |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
$items = new FilesystemIterator($directory, $options); |
439
|
|
|
|
440
|
|
|
foreach ($items as $item) { |
441
|
|
|
// As we spin through items, we will check to see if the current file is actually |
442
|
|
|
// a directory or a file. When it is actually a directory we will need to call |
443
|
|
|
// back into this function recursively to keep copying these nested folders. |
444
|
|
|
$target = $destination . '/' . $item->getBasename(); |
445
|
|
|
|
446
|
|
|
if (!$item->isDir()) { |
447
|
|
|
if (!$this->copy($item->getPathname(), $target)) { |
448
|
|
|
return false; |
449
|
|
|
} |
450
|
|
|
} else { |
451
|
|
|
$path = $item->getPathname(); |
452
|
|
|
|
453
|
|
|
if (!$this->copyDirectory($path, $target, $options)) { |
454
|
|
|
return false; |
455
|
|
|
} |
456
|
|
|
} |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
return true; |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* Recursively delete a directory. |
464
|
|
|
* |
465
|
|
|
* The directory itself may be optionally preserved. |
466
|
|
|
* |
467
|
|
|
* @param string $directory |
468
|
|
|
* @param bool $preserve |
469
|
|
|
* @return bool |
470
|
|
|
*/ |
471
|
|
|
public function deleteDirectory($directory, $preserve = false) |
472
|
|
|
{ |
473
|
|
|
if (!$this->isDirectory($directory)) { |
474
|
|
|
return false; |
475
|
|
|
} |
476
|
|
|
|
477
|
|
|
$items = new FilesystemIterator($directory); |
478
|
|
|
|
479
|
|
|
foreach ($items as $item) { |
480
|
|
|
// If the item is a directory, we can just recurse into the function and |
481
|
|
|
// delete that sub-directory otherwise we'll just delete the file and |
482
|
|
|
// keep iterating through each file until the directory is cleaned. |
483
|
|
|
if ($item->isDir() && !$item->isLink()) { |
484
|
|
|
$this->deleteDirectory($item->getPathname()); |
485
|
|
|
} else { |
486
|
|
|
$this->delete($item->getPathname()); |
487
|
|
|
} |
488
|
|
|
} |
489
|
|
|
|
490
|
|
|
if (!$preserve) { |
491
|
|
|
@rmdir($directory); |
|
|
|
|
492
|
|
|
} |
493
|
|
|
|
494
|
|
|
return true; |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
/** |
498
|
|
|
* Empty the specified directory of all files and folders. |
499
|
|
|
* |
500
|
|
|
* @param string $directory |
501
|
|
|
* @return bool |
502
|
|
|
*/ |
503
|
|
|
public function cleanDirectory($directory) |
504
|
|
|
{ |
505
|
|
|
return $this->deleteDirectory($directory, true); |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
/** |
509
|
|
|
* Determine whether the current environment is Windows based. |
510
|
|
|
* |
511
|
|
|
* @return bool |
512
|
|
|
*/ |
513
|
|
|
public function windowsOs() |
514
|
|
|
{ |
515
|
|
|
return stripos(PHP_OS, 'win') === 0; |
516
|
|
|
} |
517
|
|
|
} |
518
|
|
|
|