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PHP Manual
Function Reference
File System Related Extensions
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Filesystem
Introduction
Installing/Configuring
Requirements
Installation
Runtime Configuration
Resource Types
Predefined Constants
Filesystem Functions
basename
— Returns trailing name component of path
chgrp
— Changes file group
chmod
— Changes file mode
chown
— Changes file owner
clearstatcache
— Clears file status cache
copy
— Copies file
delete
— See unlink or unset
dirname
— Returns a parent directory's path
disk_free_space
— Returns available space on filesystem or disk partition
disk_total_space
— Returns the total size of a filesystem or disk partition
diskfreespace
— Alias of disk_free_space
fclose
— Closes an open file pointer
fdatasync
— Synchronizes data (but not meta-data) to the file
feof
— Tests for end-of-file on a file pointer
fflush
— Flushes the output to a file
fgetc
— Gets character from file pointer
fgetcsv
— Gets line from file pointer and parse for CSV fields
fgets
— Gets line from file pointer
fgetss
— Gets line from file pointer and strip HTML tags
file_exists
— Checks whether a file or directory exists
file_get_contents
— Reads entire file into a string
file_put_contents
— Write data to a file
file
— Reads entire file into an array
fileatime
— Gets last access time of file
filectime
— Gets inode change time of file
filegroup
— Gets file group
fileinode
— Gets file inode
filemtime
— Gets file modification time
fileowner
— Gets file owner
fileperms
— Gets file permissions
filesize
— Gets file size
filetype
— Gets file type
flock
— Portable advisory file locking
fnmatch
— Match filename against a pattern
fopen
— Opens file or URL
fpassthru
— Output all remaining data on a file pointer
fputcsv
— Format line as CSV and write to file pointer
fputs
— Alias of fwrite
fread
— Binary-safe file read
fscanf
— Parses input from a file according to a format
fseek
— Seeks on a file pointer
fstat
— Gets information about a file using an open file pointer
fsync
— Synchronizes changes to the file (including meta-data)
ftell
— Returns the current position of the file read/write pointer
ftruncate
— Truncates a file to a given length
fwrite
— Binary-safe file write
glob
— Find pathnames matching a pattern
is_dir
— Tells whether the filename is a directory
is_executable
— Tells whether the filename is executable
is_file
— Tells whether the filename is a regular file
is_link
— Tells whether the filename is a symbolic link
is_readable
— Tells whether a file exists and is readable
is_uploaded_file
— Tells whether the file was uploaded via HTTP POST
is_writable
— Tells whether the filename is writable
is_writeable
— Alias of is_writable
lchgrp
— Changes group ownership of symlink
lchown
— Changes user ownership of symlink
link
— Create a hard link
linkinfo
— Gets information about a link
lstat
— Gives information about a file or symbolic link
mkdir
— Makes directory
move_uploaded_file
— Moves an uploaded file to a new location
parse_ini_file
— Parse a configuration file
parse_ini_string
— Parse a configuration string
pathinfo
— Returns information about a file path
pclose
— Closes process file pointer
popen
— Opens process file pointer
readfile
— Outputs a file
readlink
— Returns the target of a symbolic link
realpath_cache_get
— Get realpath cache entries
realpath_cache_size
— Get realpath cache size
realpath
— Returns canonicalized absolute pathname
rename
— Renames a file or directory
rewind
— Rewind the position of a file pointer
rmdir
— Removes directory
set_file_buffer
— Alias of stream_set_write_buffer
stat
— Gives information about a file
symlink
— Creates a symbolic link
tempnam
— Create file with unique file name
tmpfile
— Creates a temporary file
touch
— Sets access and modification time of file
umask
— Changes the current umask
unlink
— Deletes a file
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