Class File

Convenience class for reading, writing and appending to files.

Namespace: Cake\Filesystem
Location: Filesystem/File.php

Properties summary

$Folder public

Cake\Filesystem\Folder

Folder object of the file
$handle public

resource|null

Holds the file handler resource if the file is opened
$info public

array

File info
$lock public

boolean|null

Enable locking for file reading and writing
$name public

string

File name
$path public

string|null

Path property

Method Summary

__construct() public

Constructor
__destruct() public

Closes the current file if it is opened
_basename() protected static

Returns the file basename. simulate the php basename() for multibyte (mb_basename).
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

Gets the mime type of the file. Uses the finfo extension if it's available, otherwise falls back to mime_content_type().
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 an 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.
replaceText() public

Searches for a given text and replaces the text if found.
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

https://book.cakephp.org/3.0/en/core-libraries/file-folder.html#file-api

__destruct() public ¶

__destruct( )

Closes the current file if it is opened

_basename() protected static ¶

_basename( string $path , string|null $ext = null )

Returns the file basename. simulate the php basename() for multibyte (mb_basename).

Parameters

string $path: Path to file
string|null $ext optional null: The name of the extension

Returns

string
the file basename.

append() public ¶

append( string $data , boolean $force = false )

Append given data string to this file.

Parameters

string $data: Data to write
boolean $force optional false: Force the file to open

Returns

boolean
Success

clearStatCache() public ¶

clearStatCache( boolean $all = false )

Clear PHP's internal stat cache

Parameters

boolean $all optional false: Clear all cache or not. Passing false will clear the stat cache for the current path only.

close() public ¶

close( )

Closes the current file if it is opened.

Returns

boolean
True if closing was successful or file was already closed, otherwise false

copy() public ¶

copy( string $dest , boolean $overwrite = true )

Copy the File to $dest

Parameters

string $dest: Absolute path to copy the file to.
boolean $overwrite optional true: Overwrite $dest if exists

Returns

boolean
Success

create() public ¶

create( )

Creates the file.

Returns

boolean
Success

delete() public ¶

delete( )

Deletes the file.

Returns

boolean
Success

executable() public ¶

executable( )

Returns true if the File is executable.

Returns

boolean
True if it's executable, false otherwise

exists() public ¶

exists( )

Returns true if the file exists.

Returns

boolean
True if it exists, false otherwise

ext() public ¶

ext( )

Returns the file extension.

Returns

string|false
The file extension, false if extension cannot be extracted.

folder() public ¶

folder( )

Returns the current folder.

Returns

Cake\Filesystem\Folder
Current folder

group() public ¶

group( )

Returns the file's group.

Returns

integer|false
The file group, or false in case of an error

info() public ¶

info( )

Returns the file info as an array with the following keys:

dirname
basename
extension
filename
filesize
mime

Returns

array
File information.

lastAccess() public ¶

lastAccess( )

Returns last access time.

Returns

integer|false
Timestamp of last access time, or false in case of an error

lastChange() public ¶

lastChange( )

Returns last modified time.

Returns

integer|false
Timestamp of last modification, or false in case of an error

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

string|false
md5 Checksum See md5_file(), or false in case of an error

mime() public ¶

mime( )

Gets the mime type of the file. Uses the finfo extension if it's available, otherwise falls back to mime_content_type().

Returns

string|false
The mimetype of the file, or false if reading fails.

name() public ¶

name( )

Returns the file name without extension.

Returns

string|false
The file name without extension, false if name cannot be extracted.

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

integer|boolean
True on success, false on failure (set mode), false on failure or integer offset on success (get mode)

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

boolean
True on success, false on failure

owner() public ¶

owner( )

Returns the file's owner.

Returns

integer|false
The file owner, or false in case of an error

perms() public ¶

perms( )

Returns the "chmod" (permissions) of the file.

Returns

string|false
Permissions for the file, or false in case of an error

prepare() public static ¶

prepare( string $data , boolean $forceWindows = false )

Prepares an 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: If true forces Windows new line string.

Returns

string
The with converted line endings.

pwd() public ¶

pwd( )

Returns the full path of the file.

Returns

string
Full path to the file

read() public ¶

read( string|boolean $bytes = false , string $mode = 'rb' , boolean $force = false )

Return the contents of this file as a string.

Parameters

string|boolean $bytes optional false: where to start
string $mode optional 'rb': A fread compatible 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|false
string on success, false on failure

readable() public ¶

readable( )

Returns true if the file is readable.

Returns

boolean
True if file is readable, false otherwise

replaceText() public ¶

replaceText( string|array $search , string|array $replace )

Searches for a given text and replaces the text if found.

Parameters

string|array $search: Text(s) to search for.
string|array $replace: Text(s) to replace with.

Returns

boolean
Success

safe() public ¶

safe( string|null $name = null , string|null $ext = null )

Makes file name safe for saving

Parameters

string|null $name optional null: The name of the file to make safe if different from $this->name
string|null $ext optional null: The name of the extension to make safe if different from $this->ext

Returns

string
The extension of the file

size() public ¶

size( )

Returns the file size

Returns

integer|false
Size of the file in bytes, or false in case of an error

writable() public ¶

writable( )

Returns true if the file is writable.

Returns

boolean
True if it's writable, false otherwise

write() public ¶

write( string $data , string $mode = 'w' , boolean $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().
boolean $force optional false: Force the file to open

Returns

boolean
Success

Properties detail

`$Folder` ¶

public Cake\Filesystem\Folder

Folder object of the file

Link

https://book.cakephp.org/3.0/en/core-libraries/file-folder.html

`$handle` ¶

public resource|null

Holds the file handler resource if the file is opened

`$info` ¶

public array

File info

[]

`$lock` ¶

public boolean|null

Enable locking for file reading and writing

`$name` ¶

public string

File name

`$path` ¶

public string|null

Path property

Current file's absolute path

Namespaces

Classes

Class File

Properties summary

Method Summary

__construct() public

__destruct() public

_basename() protected static

append() public

clearStatCache() public

close() public

copy() public

create() public

delete() public

executable() public

exists() public

ext() public

folder() public

group() public

info() public

lastAccess() public

lastChange() public

md5() public

mime() public

name() public

offset() public

open() public

owner() public

perms() public

prepare() public static

pwd() public

read() public

readable() public

replaceText() public

safe() public

size() public

writable() public

write() public

Method Detail

__construct() public ¶

Parameters

Link

__destruct() public ¶

_basename() protected static ¶

Parameters

Returns

append() public ¶

Parameters

Returns

clearStatCache() public ¶

Parameters

close() public ¶

Returns

copy() public ¶

Parameters

Returns

create() public ¶

Returns

delete() public ¶

Returns

executable() public ¶

Returns

exists() public ¶

Returns

ext() public ¶

Returns

folder() public ¶

Returns

group() public ¶

Returns

info() public ¶

Returns

lastAccess() public ¶

Returns

lastChange() public ¶

Returns

md5() public ¶

Parameters

Returns

mime() public ¶

`$Folder` ¶

`$handle` ¶

`$info` ¶

`$lock` ¶

`$name` ¶

`$path` ¶