Docs For Class VFS

VFS VFS(
[array
$params = array()])

Constructor.

Parameters:

array $params — A hash containing connection parameters.

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void autocreatePath(
string
$path)

Automatically creates any necessary parent directories in the specified $path.

Parameters:

string $path — The VFS path to autocreate.

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mixed changePermissions(
string
$path, string
$name, string
$permission)

Changes permissions for an item on the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_ftp::changePermissions(): Changes permissions for an item on the VFS.

VFS_file::changePermissions(): Changes permissions for an item in the VFS.

VFS_ssh2::changePermissions(): Changes permissions for an item on the VFS.

VFS_musql::changePermissions(): Changes permissions for an Item on the VFS.

Parameters:

string	`$path`	—	The parent folder of the item.
string	`$name`	—	The name of the item.
string	`$permission`	—	The permission to set.

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mixed checkCredentials(
)

Checks the credentials that we have by calling _connect(), to see if there is a valid login.

Return: True on success, PEAR_Error describing the problem if the credentials are invalid.

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mixed copy(
string
$path, string
$name, string
$dest, [boolean
$autocreate = false])

Copies a file through the backend.

Return: True on success or a PEAR_Error object on failure.

Overridden in child classes as:

VFS_smb::copy(): Copies a file through the backend.

VFS_sql_file::copy(): Copies a file through the backend.

VFS_ftp::copy(): Copies a file through the backend.

VFS_file::copy(): Copies a file through the backend.

VFS_ssh2::copy(): Copies a file through the backend.

Parameters:

string	`$path`	—	The path of the original file.
string	`$name`	—	The name of the original file.
string	`$dest`	—	The name of the destination directory.
boolean	`$autocreate`	—	Automatically create directories?

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mixed createFolder(
string
$path, string
$name)

Creates a folder in the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::createFolder(): Creates a folder on the VFS.

VFS_sql_file::createFolder(): Creates a folder on the VFS.

VFS_ftp::createFolder(): Creates a folder on the VFS.

VFS_file::createFolder(): Creates a folder on the VFS.

VFS_ssh2::createFolder(): Creates a folder on the VFS.

VFS_sql::createFolder(): Creates a folder on the VFS.

VFS_musql::createFolder(): Creates a folder on the VFS.

Parameters:

string	`$path`	—	The parent folder.
string	`$name`	—	The name of the new folder.

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mixed deleteFile(
string
$path, string
$name)

Deletes a file from the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::deleteFile(): Deletes a file from the VFS.

VFS_sql_file::deleteFile(): Delete a file from the VFS.

VFS_ftp::deleteFile(): Deletes a file from the VFS.

VFS_file::deleteFile(): Delete a file from the VFS.

VFS_ssh2::deleteFile(): Deletes a file from the VFS.

VFS_sql::deleteFile(): Delete a file from the VFS.

VFS_musql::deleteFile(): Delete a file from the VFS.

Parameters:

string	`$path`	—	The path to delete the file from.
string	`$name`	—	The filename to delete.

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mixed deleteFolder(
string
$path, string
$name, [boolean
$recursive = false])

Deletes a folder from the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::deleteFolder(): Deletes a folder from the VFS.

VFS_sql_file::deleteFolder(): Delete a folder from the VFS.

VFS_ftp::deleteFolder(): Deletes a folder from the VFS.

VFS_file::deleteFolder(): Delete a folder from the VFS.

VFS_ssh2::deleteFolder(): Deletes a folder from the VFS.

VFS_sql::deleteFolder(): Delete a folder from the VFS.

VFS_musql::deleteFolder(): Delete a file from the VFS.

Parameters:

string	`$path`	—	The parent folder.
string	`$name`	—	The name of the folder to delete.
boolean	`$recursive`	—	Force a recursive delete?

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mixed emptyFolder(
string
$path)

Removes recursively all files and subfolders from the given folder.

Return: True on success or a PEAR_Error object on failure.

Parameters:

string $path — The path of the folder to empty.

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boolean exists(
string
$path, string
$name)

Returns if a given file or folder exists in a folder.

Return: True if it exists, false otherwise.

Parameters:

string	`$path`	—	The path to the folder.
string	`$name`	—	The file or folder name.

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VFS &factory(
mixed
$driver, [array
$params = array()])

Attempts to return a concrete VFS instance based on $driver.

Return: The newly created concrete VFS instance, or a PEAR_Error on failure.

Parameters:

mixed	`$driver`	—	The type of concrete VFS subclass to return. This is based on the storage driver ($driver). The code is dynamically included.
array	`$params`	—	A hash containing any additional configuration or connection parameters a subclass might need.

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string getCurrentDirectory(
)

Returns the current working directory of the VFS backend.

Return: The current working directory.

Overridden in child classes as:

VFS_ftp::getCurrentDirectory(): Returns the current working directory on the FTP server.

VFS_ssh2::getCurrentDirectory(): Returns the current working directory on the SSH2 server.

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integer getFileSize(
string
$path, string
$name)

Returns the size of a file.

Return: The size of the file, in bytes, or PEAR_Error on failure.
Abstract:
Since: Horde 3.1

Overridden in child classes as:

VFS_sql_file::getFileSize(): Returns the size of a file.

VFS_ftp::getFileSize(): Returns the size of a file.

VFS_file::getFileSize(): Returns the size of a file.

VFS_ssh2::getFileSize(): Returns the size of a file.

VFS_sql::getFileSize(): Returns the size of a file.

Parameters:

string	`$path`	—	The path to the file.
string	`$name`	—	The name of the file.

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integer getFolderSize(
[string
$path = null], [string
$name = null])

Returns the size of a folder

Return: The size of the folder, in bytes, or PEAR_Error on failure.
Since: Horde 3.1

Overridden in child classes as:

VFS_sql::getFolderSize(): Returns the size of a file.

Parameters:

string	`$path`	—	The path to the folder.
string	`$name`	—	The name of the folder.

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array getModifiablePermissions(
)

Returns an array specifying what permissions are changeable for this VFS implementation.

Return: Changeable permisions.

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mixed getParam(
string
$name)

Returns configuration parameters.

Return: The parameter value or null if it doesn't exist.

Parameters:

string $name — The parameter to return.

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mixed getQuota(
)

Get quota information (used/allocated), in bytes.

Return: An associative array. 'limit' = Maximum quota allowed 'usage' = Currently used portion of quota (in bytes) Returns PEAR_Error on failure.
Since: Horde 3.1

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array getRequiredCredentials(
)

Returns the list of additional credentials required, if any.

Return: Credential list.

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integer getVFSSize(
)

Returns the size of the VFS item.

Return: The size, in bytes, of the VFS item.
Since: Horde 3.1

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boolean isFolder(
string
$path, string
$name)

Checks if a given item is a folder.

Return: True if it is a folder, false otherwise.

Overridden in child classes as:

VFS_smb::isFolder(): Checks if a given pathname is a folder.

VFS_ftp::isFolder(): Checks if a given item is a folder.

VFS_file::isFolder(): Check if a given pathname is a folder.

VFS_ssh2::isFolder(): Checks if a given item is a folder.

Parameters:

string	`$path`	—	The parent folder.
string	`$name`	—	The item name.

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array listFolder(
string
$path, [mixed
$filter = null], [boolean
$dotfiles = true], [boolean
$dironly = false], [boolean
$recursive = false])

Returns a file list of the directory passed in.

Return: File list on success or PEAR_Error on failure.

Overridden in child classes as:

VFS_smb::listFolder(): Returns an unsorted file list.

Parameters:

string	`$path`	—	The path of the directory.
mixed	`$filter`	—	String/hash to filter file/dirname on.
boolean	`$dotfiles`	—	Show dotfiles?
boolean	`$dironly`	—	Show only directories?
boolean	`$recursive`	—	Return all directory levels recursively?

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mixed listFolders(
[string
$path = ''], [mixed
$filter = null], [boolean
$dotfolders = true])

Returns a sorted list of folders in the specified directory.

Return: Folder list on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::listFolders(): Returns a sorted list of folders in specified directory.

VFS_sql_file::listFolders(): Returns a sorted list of folders in specified directory.

VFS_ftp::listFolders(): Returns a sorted list of folders in the specified directory.

VFS_file::listFolders(): Returns a sorted list of folders in specified directory.

VFS_ssh2::listFolders(): Returns a sorted list of folders in the specified directory.

VFS_sql::listFolders(): Returns a sorted list of folders in specified directory.

Parameters:

string	`$path`	—	The path of the directory to get the directory list for.
mixed	`$filter`	—	Hash of items to filter based on folderlist.
boolean	`$dotfolders`	—	Include dotfolders?

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void log(
mixed
$message, [integer
$priority = PEAR_LOG_ERR])

Logs a message if a PEAR Log object is available, and the message's priority is lower than or equal to the configured log level.

Parameters:

mixed	`$message`	—	The message to be logged.
integer	`$priority`	—	The message's priority.

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mixed move(
string
$path, string
$name, string
$dest, [boolean
$autocreate = false])

Moves a file through the backend.

Return: True on success or a PEAR_Error object on failure.

Overridden in child classes as:

VFS_smb::move(): Moves a file through the backend.

VFS_sql_file::move(): Moves a file in the database and the file system.

VFS_ftp::move(): Moves a file through the backend.

VFS_file::move(): Moves a file in the database and the file system.

VFS_ssh2::move(): Moves a file through the backend.

Parameters:

string	`$path`	—	The path of the original file.
string	`$name`	—	The name of the original file.
string	`$dest`	—	The destination file name.
boolean	`$autocreate`	—	Automatically create directories?

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string read(
string
$path, string
$name)

Retrieves a file from the VFS.

Return: The file data.
Abstract:

Overridden in child classes as:

VFS_smb::read(): Retrieves a file from the VFS.

VFS_sql_file::read(): Retrieve a file from the VFS.

VFS_ftp::read(): Retrieves a file from the VFS.

VFS_file::read(): Retrieve a file from the VFS.

VFS_ssh2::read(): Retrieves a file from the VFS.

VFS_sql::read(): Retrieve a file from the VFS.

Parameters:

string	`$path`	—	The pathname to the file.
string	`$name`	—	The filename to retrieve.

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string readByteRange(
string
$path, string
$name, 
&$offset, [integer
$length = -1], 
&$remaining, integer
$offset, integer
$remaining)

Retrieves a part of a file from the VFS. Particularly useful when reading large files which would exceed the PHP memory limits if they were stored in a string.

Return: The file data.
Abstract:

Overridden in child classes as:

VFS_file::readByteRange(): Retrieves a part of a file from the VFS. Particularly useful when reading large files which would exceed the PHP memory limits if they were stored in a string.

Parameters:

string	`$path`	—	The pathname to the file.
string	`$name`	—	The filename to retrieve.
integer	`$offset`	—	The offset of the part. (The new offset will be stored in here).
integer	`$length`	—	The length of the part. If the length = -1, the whole part after the offset is retrieved. If more bytes are given as exists after the given offset. Only the available bytes are read.
integer	`$remaining`	—	The bytes that are left, after the part that is retrieved.
	`&$offset`	—
	`&$remaining`	—

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mixed rename(
string
$oldpath, string
$oldname, string
$newpath, string
$newname)

Renames a file in the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::rename(): Renames a file in the VFS.

VFS_sql_file::rename(): Rename a file or folder in the VFS.

VFS_ftp::rename(): Renames a file in the VFS.

VFS_file::rename(): Rename a file or folder in the VFS.

VFS_ssh2::rename(): Renames a file in the VFS.

VFS_sql::rename(): Rename a file or folder in the VFS.

VFS_musql::rename(): Rename a file or folder in the VFS.

Parameters:

string	`$oldpath`	—	The old path to the file.
string	`$oldname`	—	The old filename.
string	`$newpath`	—	The new path of the file.
string	`$newname`	—	The new filename.

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void setLogger(
Log
&$logger, [
$logLevel = null])

Sets the PEAR Log object used to log informational or error messages.

Parameters:

Log	`&$logger`	—	The Log object to use.
	`$logLevel`	—

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void setParams(
[array
$params = array()])

Sets configuration parameters.

Parameters:

array $params — An associative array with parameter names as keys.

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void setQuota(
integer
$quota, [integer
$metric = VFS_QUOTA_METRIC_BYTE])

Sets the VFS quota limit.

Since: Horde 3.1

Parameters:

integer	`$quota`	—	The limit to apply.
integer	`$metric`	—	The metric to multiply the quota into.

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void setQuotaRoot(
string
$dir)

Sets the VFS quota root.

Since: Horde 3.1

Parameters:

string $dir — The root directory for the quota determination.

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VFS &singleton(
mixed
$driver, [array
$params = array()])

Attempts to return a reference to a concrete VFS instance based on $driver. It will only create a new instance if no VFS instance with the same parameters currently exists.

This should be used if multiple types of file backends (and, thus, multiple VFS instances) are required.

This method must be invoked as: $var = &VFS::singleton()

Return: The concrete VFS reference, or a PEAR_Error on failure.

Parameters:

mixed	`$driver`	—	The type of concrete VFS subclass to return. This is based on the storage driver ($driver). The code is dynamically included.
array	`$params`	—	A hash containing any additional configuration or connection parameters a subclass might need.

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integer size(
string
$path, string
$name)

Retrieves the size of a file from the VFS.

Return: The file size.
Abstract:

Overridden in child classes as:

VFS_file::size(): Retrieves the filesize from the VFS.

VFS_sql::size(): Retrieves the filesize from the VFS.

Parameters:

string	`$path`	—	The pathname to the file.
string	`$name`	—	The filename to retrieve.

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string strlen(
string
$string, [string
$charset = null])

Returns the character (not byte) length of a string.

Return: The string's length.

Parameters:

string	`$string`	—	The string to return the length of.
string	`$charset`	—	The charset to use when calculating the string's length.

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string strtolower(
string
$string)

Converts a string to all lowercase characters ignoring the current locale.

Return: The string with lowercase characters

Parameters:

string $string — The string to be lowercased

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mixed write(
string
$path, string
$name, string
$tmpFile, [boolean
$autocreate = false])

Stores a file in the VFS.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::write(): Stores a file in the VFS.

VFS_sql_file::write(): Store a file in the VFS, with the data copied from a temporary file.

VFS_ftp::write(): Stores a file in the VFS.

VFS_file::write(): Store a file in the VFS, with the data copied from a temporary file.

VFS_ssh2::write(): Stores a file in the VFS.

VFS_sql::write(): Stores a file in the VFS.

Parameters:

string	`$path`	—	The path to store the file in.
string	`$name`	—	The filename to use.
string	`$tmpFile`	—	The temporary file containing the data to be stored.
boolean	`$autocreate`	—	Automatically create directories?

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mixed writeData(
string
$path, string
$name, string
$data, [boolean
$autocreate = false])

Stores a file in the VFS from raw data.

Return: True on success or a PEAR_Error object on failure.
Abstract:

Overridden in child classes as:

VFS_smb::writeData(): Stores a file in the VFS from raw data.

VFS_sql_file::writeData(): Store a file in the VFS from raw data.

VFS_ftp::writeData(): Stores a file in the VFS from raw data.

VFS_file::writeData(): Store a file in the VFS from raw data.

VFS_ssh2::writeData(): Stores a file in the VFS from raw data.

VFS_sql::writeData(): Store a file in the VFS from raw data.

VFS_musql::writeData(): Store a file in the VFS from raw data.

Parameters:

string	`$path`	—	The path to store the file in.
string	`$name`	—	The filename to use.
string	`$data`	—	The file data.
boolean	`$autocreate`	—	Automatically create directories?

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void _copyRecursive(
string
$path, string
$name, string
$dest)

Recursively copies a directory through the backend.

Access: protected

Parameters:

string	`$path`	—	The path of the original file.
string	`$name`	—	The name of the original file.
string	`$dest`	—	The name of the destination directory.

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mixed _getPath(
string
$path, string
$name)

Returns the full path of an item.

Return: Full path when $path isset and just $name when not set.
Access: protected

Parameters:

string	`$path`	—	The path of directory of the item.
string	`$name`	—	The name of the item.

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string _getTempDir(
)

Determines the location of the system temporary directory.

Return: A directory name which can be used for temp files. Returns false if one could not be found.
Access: protected

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string _getTempFile(
)

Creates a temporary file.

Return: Returns the full path-name to the temporary file or false if a temporary file could not be created.
Access: protected

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Class: VFS

Class Overview

Author(s):

Methods

Child classes:

Inherited Variables

Inherited Methods

Class Details

Method Detail

VFS (Constructor) [line 80]

Parameters:

autocreatePath [line 427]

Parameters:

changePermissions [line 624]

Parameters:

checkCredentials [line 101]

copy [line 300]

Parameters:

createFolder [line 416]

Parameters:

deleteFile [line 366]

Parameters:

deleteFolder [line 476]

Parameters:

emptyFolder [line 488]

Parameters:

exists [line 396]

Parameters:

factory [line 977]

Parameters:

getCurrentDirectory [line 565]

getFileSize [line 719]

Parameters:

getFolderSize [line 735]

Parameters:

getModifiablePermissions [line 662]

getParam [line 125]

Parameters:

getQuota [line 815]

getRequiredCredentials [line 651]

getVFSSize [line 758]

isFolder [line 459]

Parameters:

listFolder [line 525]

Parameters:

listFolders [line 641]

Parameters:

log [line 137]

Parameters:

move [line 282]

Parameters:

read [line 206]

Parameters:

readByteRange [line 232]

Parameters:

rename [line 383]

Parameters:

setLogger [line 169]

Parameters:

setParams [line 111]

Parameters:

setQuota [line 774]

Parameters:

setQuotaRoot [line 800]

Parameters:

singleton [line 1008]

Parameters:

size [line 191]

Parameters:

strlen [line 693]

Parameters:

strtolower [line 675]

Parameters:

write [line 250]

Parameters:

writeData [line 267]

Parameters:

_copyRecursive [line 336]

Parameters:

_getPath [line 957]