classes/Files/LockingFilesystem.php
public function write($path, $contents, $blocking = false)
	{
		$flockFlags = $blocking ? LOCK_EX : LOCK_EX | LOCK_NB;

		$file = fopen($path, 'c');

		if (!flock($file, $flockFlags)) {
			fclose($file);
			throw new IOException("Could not aquire file lock for file: $path");
		}

		ftruncate($file, 0);
		fwrite($file, $contents);
		fflush($file);
		flock($file, LOCK_UN | LOCK_NB);
		fclose($file);
	}
public function write($path, $contents, $blocking = false)
	{
		$flockFlags = $blocking ? LOCK_EX : LOCK_EX | LOCK_NB;

		$file = fopen($path, 'c');

		if (!flock($file, $flockFlags)) {
			fclose($file);
			throw new IOException("Could not aquire file lock for file: $path");
		}

		ftruncate($file, 0);
		fwrite($file, $contents);
		fflush($file);
		flock($file, LOCK_UN | LOCK_NB);
		fclose($file);
	}
public function write ( $ path , $ contents , $ blocking = false ) { $ flockFlags = $ blocking ? LOCK_EX : LOCK_EX | LOCK_NB ; $ file = fopen ( $ path , 'c' ) ; if ( ! flock ( $ file , $ flockFlags ) ) { fclose ( $ file ) ; throw new IOException ( "Could not aquire file lock for file: $path" ) ; } ftruncate ( $ file , 0 ) ; fwrite ( $ file , $ contents ) ; fflush ( $ file ) ; flock ( $ file , LOCK_UN | LOCK_NB ) ; fclose ( $ file ) ; }
Write to the file.

@param  string $path Path to the file.
@param  string $contents Contents to write to the file.
@param  bool   $blocking Wait for other locks to expire rather than
throwing an error when a lock cannot be aquired.

@return void

@throws IOException
Write to the file .