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File system



The FileSystem class contains methods that assist in working with the file system.


Usage

You can create a new FileSystem object or fetch the instance present in the IoC container. In the following examples we'll assume that you'll using the instance from the container.

The has method return TRUE if the provided path exists and FALSE if not.

$exists = $this->fileSystem->has('/foo/bar.txt');

The isFile method return TRUE if the provided path is a file and FALSE if not.

$isFile = $this->fileSystem->isFile('/foo/bar.txt');

The isDirectory method returns TRUE if the provided path is a directory and FALSE if not.

$isDirectory = $this->fileSystem->isDirectory('/foo');

The isEmpty method returns TRUE if the provided path is an empty file or directory and FALSE if not.

$isEmpty = $this->fileSystem->isEmpty('/foo');

The isReadable method returns TRUE if the provided path is readable and FALSE if not.

$isReadable = $this->fileSystem->isReadable('/foo/bar.txt');

The isWritable method returns TRUE if the provided path is writable and FALSE if not.

$isWritable = $this->fileSystem->isWritable('/foo/bar.txt');

The lastModified method returns the time (unix timestamp) when the data blocks of a file were being written to, that is, the time when the content of the file was changed.

$lastModified = $this->fileSystem->lastModified('/foo/bar.txt');

The size method returns the size of the file in bytes.

$size = $this->fileSystem->size('/foo/bar.txt');

The extension method returns the extension of the file.

$extension = $this->fileSystem->extension('/foo/bar.txt');

The mime method returns the mime type of the file. It returns FALSE if the mime type is not found.

$mime = $this->fileSystem->mime('/foo/bar.txt');

The method will try to guess the mimetype by using the file extension if the finfo_open() function doesn't exist. Note that this is not a very reliable way of determining a mime type. You can disable guessing by setting the second parameter to FALSE.

The remove method will delete a file from disk.

$this->fileSystem->remove('/foo/bar.txt');

The glob method returns an array of path names matching the provided pattern.

$paths = $this->fileSystem->glob('/foo/*.txt');

The get method returns the contents of a file.

$contents = $this->fileSystem->get('/foo/bar.txt');

The put method puts the provided contents to the file. There's an optional third parameter that will set an exclusive write lock if set to TRUE.

$this->fileSystem->put('/foo/bar.txt', 'hello, world!');

The prepend method will prepend the provided contents to the file. There's an optional third parameter that will set an exclusive write lock if set to TRUE.

$this->fileSystem->prepend('/foo/bar.txt', 'hello, world!');

The appendContents method will append the provided contents to the file. There's an optional third parameter that will set an exclusive write lock if set to TRUE.

$this->fileSystem->append('/foo/bar.txt', 'hello, world!');

The truncate method will truncate the contents of the file. There's an optional second parameter that will set an exclusive write lock if set to TRUE.

$this->fileSystem->truncate('/foo/bar.txt');

The include method will include a file.

$this->fileSystem->include('/foo/bar.txt');

The includeOnce method will include a file if it hasn't already been included.

$this->fileSystem->includeOnce('/foo/bar.txt');

The require method will require a file.

$this->fileSystem->require('/foo/bar.txt');

The requireOnce method will require a file if it hasn't already been required.

$this->fileSystem->requireOnce('/foo/bar.txt');

The hash method generates a hash value using the contents of the given file. The default hashing algorithm is sha256 but you can override it using the optional second parameter.

$hash = $this->fileSystem->hash('/foo/bar.txt');

The hmac method a keyed hash value using the HMAC method using the contents of the given file. The default hashing algorithm is sha256 but you can override it using the optional third parameter.

$hash = $this->fileSystem->hmac('/foo/bar.txt', $secret);

The file method will return a SplFileObject.

$file = $this->fileSystem->file('/foo/bar.txt', 'r');