FileHelper

API reference › yii › helpers › FileHelper

class	`yii\helpers\FileHelper`
Extends	`BaseFileHelper`
Since	2.0
Source	`framework/helpers/FileHelper.php`

File system helper.

Properties

Property	Type	Description	Defined by
`$mimeAliasesFile` static	`string`	The path (or alias) of a PHP file containing MIME aliases. Default: `'@yii/helpers/mimeAliases.php'`. Available since 2.0.14.	`BaseFileHelper`
`$mimeExtensionsFile` static	`string`	The path (or alias) of a PHP file containing extensions per MIME type. Default: `'@yii/helpers/mimeExtensions.php'`. Available since 2.0.48.	`BaseFileHelper`
`$mimeMagicFile` static	`string`	The path (or alias) of a PHP file containing MIME type information. Default: `'@yii/helpers/mimeTypes.php'`.	`BaseFileHelper`

Methods

Method	Description	Defined by
`changeOwnership()` static	Changes the Unix user and/or group ownership of a file or directory, and optionally the mode.	`BaseFileHelper`
`copyDirectory()` static	Copies a whole directory as another one.	`BaseFileHelper`
`createDirectory()` static	Creates a new directory.	`BaseFileHelper`
`filterPath()` static	Checks if the given file path satisfies the filtering options.	`BaseFileHelper`
`findDirectories()` static	Returns the directories found under the specified directory and subdirectories.	`BaseFileHelper`
`findFiles()` static	Returns the files found under the specified directory and subdirectories.	`BaseFileHelper`
`getExtensionByMimeType()` static	Determines the most common extension by given MIME type.	`BaseFileHelper`
`getExtensionsByMimeType()` static	Determines the extensions by given MIME type.	`BaseFileHelper`
`getMimeType()` static	Determines the MIME type of the specified file.	`BaseFileHelper`
`getMimeTypeByExtension()` static	Determines the MIME type based on the extension name of the specified file.	`BaseFileHelper`
`localize()` static	Returns the localized version of a specified file.	`BaseFileHelper`
`normalizePath()` static	Normalizes a file/directory path.	`BaseFileHelper`
`removeDirectory()` static	Removes a directory (and all its content) recursively.	`BaseFileHelper`
`unlink()` static	Removes a file or symlink in a cross-platform way	`BaseFileHelper`
`loadMimeAliases()` protected static	Loads MIME aliases from the specified file.	`BaseFileHelper`
`loadMimeExtensions()` protected static	Loads MIME extensions from the specified file.	`BaseFileHelper`
`loadMimeTypes()` protected static	Loads MIME types from the specified file.	`BaseFileHelper`
`normalizeOptions()` protected static		`BaseFileHelper`

Constants

Constant	Value	Description	Defined by
`PATTERN_NODIR`	`1`		`BaseFileHelper`
`PATTERN_ENDSWITH`	`4`		`BaseFileHelper`
`PATTERN_MUSTBEDIR`	`8`		`BaseFileHelper`
`PATTERN_NEGATIVE`	`16`		`BaseFileHelper`
`PATTERN_CASE_INSENSITIVE`	`32`		`BaseFileHelper`