Class File
Convenience class for reading, writing and appending to files.
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Location: Cake/Utility/File.php
Properties summary
Method Summary
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__construct() public
Constructor - 
			
__destruct() public
Closes the current file if it is opened - 
			
append() public
Append given data string to this file. - 
			
clearStatCache() public
Clear PHP's internal stat cache - 
			
close() public
Closes the current file if it is opened. - 
			
copy() public
Copy the File to $dest - 
			
create() public
Creates the file. - 
			
delete() public
Deletes the file. - 
			
executable() public
Returns true if the File is executable. - 
			
exists() public
Returns true if the file exists. - 
			
ext() public
Returns the file extension. - 
			
folder() public
Returns the current folder. - 
			
group() public
Returns the file's group. - 
			
info() public
Returns the file info as an array with the following keys: - 
			
lastAccess() public
Returns last access time. - 
			
lastChange() public
Returns last modified time. - 
			
md5() public
Get md5 Checksum of file with previous check of Filesize - 
			
mime() public
Get the mime type of the file. Uses the finfo extension if its available, otherwise falls back to mime_content_type
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name() public
Returns the file name without extension. - 
			
offset() public
Sets or gets the offset for the currently opened file. - 
			
open() public
Opens the current file with a given $mode - 
			
owner() public
Returns the file's owner. - 
			
perms() public
Returns the "chmod" (permissions) of the file. - 
			
prepare() public static
Prepares a ASCII string for writing. Converts line endings to the correct terminator for the current platform. If Windows, "\r\n" will be used, all other platforms will use "\n"
 - 
			
pwd() public
Returns the full path of the file. - 
			
read() public
Return the contents of this file as a string. - 
			
readable() public
Returns true if the file is readable. - 
			
safe() public
Makes file name safe for saving - 
			
size() public
Returns the file size - 
			
writable() public
Returns true if the file is writable. - 
			
write() public
Write given data to this file. 
Method Detail
__construct() public ¶
__construct( string $path , boolean $create = false , integer $mode = 0755 )
Constructor
Parameters
- string $path
 - Path to file
 - boolean $create optional false
 - Create file if it does not exist (if true)
 - integer $mode optional 0755
 - Mode to apply to the folder holding the file
 
Link
append() public ¶
append( string $data , string $force = false )
Append given data string to this file.
Parameters
- string $data
 - Data to write
 - string $force optional false
 - Force the file to open
 
Returns
Success
Link
clearStatCache() public ¶
clearStatCache( boolean $all = false )
Clear PHP's internal stat cache
For 5.3 onwards it's possible to clear cache for just a single file. Passing true will clear all the stat cache.
Parameters
- boolean $all optional false
 - Clear all cache or not
 
close() public ¶
close( )
Closes the current file if it is opened.
Returns
True if closing was successful or file was already closed, otherwise false
Link
copy() public ¶
copy( string $dest , boolean $overwrite = true )
Copy the File to $dest
Parameters
- string $dest
 - Destination for the copy
 - boolean $overwrite optional true
 - Overwrite $dest if exists
 
Returns
Success
Link
executable() public ¶
executable( )
Returns true if the File is executable.
Returns
True if it's executable, false otherwise
Link
exists() public ¶
exists( )
Returns true if the file exists.
Returns
True if it exists, false otherwise
Link
group() public ¶
group( )
Returns the file's group.
Returns
The file group, or false in case of an error
Link
info() public ¶
info( )
Returns the file info as an array with the following keys:
- dirname
 - basename
 - extension
 - filename
 - filesize
 - mime
 
Returns
File information.
Link
lastAccess() public ¶
lastAccess( )
Returns last access time.
Returns
Timestamp of last access time, or false in case of an error
Link
lastChange() public ¶
lastChange( )
Returns last modified time.
Returns
Timestamp of last modification, or false in case of an error
Link
md5() public ¶
md5( integer|boolean $maxsize = 5 )
Get md5 Checksum of file with previous check of Filesize
Parameters
- integer|boolean $maxsize optional 5
 - in MB or true to force
 
Returns
Link
mime() public ¶
mime( )
Get the mime type of the file. Uses the finfo extension if its available, otherwise falls back to mime_content_type
Returns
The mimetype of the file, or false if reading fails.
name() public ¶
name( )
Returns the file name without extension.
Returns
The file name without extension.
Link
offset() public ¶
offset( integer|boolean $offset = false , integer $seek = SEEK_SET )
Sets or gets the offset for the currently opened file.
Parameters
- integer|boolean $offset optional false
 - The $offset in bytes to seek. If set to false then the current offset is returned.
 - integer $seek optional SEEK_SET
 - PHP Constant SEEK_SET | SEEK_CUR | SEEK_END determining what the $offset is relative to
 
Returns
True on success, false on failure (set mode), false on failure or integer offset on success (get mode)
Link
open() public ¶
open( string $mode = 'r' , boolean $force = false )
Opens the current file with a given $mode
Parameters
- string $mode optional 'r'
 - A valid 'fopen' mode string (r|w|a ...)
 - boolean $force optional false
 - If true then the file will be re-opened even if its already opened, otherwise it won't
 
Returns
True on success, false on failure
Link
owner() public ¶
owner( )
Returns the file's owner.
Returns
The file owner, or false in case of an error
Link
perms() public ¶
perms( )
Returns the "chmod" (permissions) of the file.
Returns
Permissions for the file, or false in case of an error
Link
prepare() public static ¶
prepare( string $data , boolean $forceWindows = false )
Prepares a ASCII string for writing. Converts line endings to the correct terminator for the current platform. If Windows, "\r\n" will be used, all other platforms will use "\n"
Parameters
- string $data
 - Data to prepare for writing.
 - boolean $forceWindows optional false
 
Returns
The with converted line endings.
Link
read() public ¶
read( string $bytes = false , string $mode = 'rb' , boolean $force = false )
Return the contents of this file as a string.
Parameters
- string $bytes optional false
 - where to start
 - string $mode optional 'rb'
 - A 
freadcompatible mode. - boolean $force optional false
 - If true then the file will be re-opened even if its already opened, otherwise it won't
 
Returns
string on success, false on failure
Link
readable() public ¶
readable( )
Returns true if the file is readable.
Returns
True if file is readable, false otherwise
Link
safe() public ¶
safe( string $name = null , string $ext = null )
Makes file name safe for saving
Parameters
- string $name optional null
 - The name of the file to make safe if different from $this->name
 - string $ext optional null
 - The name of the extension to make safe if different from $this->ext
 
Returns
$ext The extension of the file
Link
size() public ¶
size( )
Returns the file size
Returns
Size of the file in bytes, or false in case of an error
Link
writable() public ¶
writable( )
Returns true if the file is writable.
Returns
True if it's writable, false otherwise
Link
write() public ¶
write( string $data , string $mode = 'w' , string $force = false )
Write given data to this file.
Parameters
- string $data
 - Data to write to this File.
 - string $mode optional 'w'
 - Mode of writing. See fwrite().
 - string $force optional false
 - Force the file to open
 
Returns
Success