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XXX. Filesystem functions

Introduction

Requirements

These functions are available as part of the standard module, which is always available.

Installation

There is no installation needed to use these functions, they are part of the PHP core.

Runtime Configuration

This extension does not define any configuration directives.

Resource Types

Predefined Constants

This extension does not define any constants.

Table of Contents
basename -- Returns filename component of path
chgrp -- Changes file group
chmod -- Changes file mode
chown -- Changes file owner
clearstatcache -- Clears file stat cache
copy -- Copies file
delete -- A dummy manual entry
dirname -- Returns directory name component of path
disk_free_space -- Returns available space in directory
disk_total_space -- Returns the total size of a directory
diskfreespace -- Alias of disk_free_space()
fclose -- Closes an open file pointer
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 -- Reads entire file into an array
file_exists -- Checks whether a file exists
file_get_contents -- Reads entire file into a string
file_get_wrapper_data -- Retrieves header/meta data from "wrapped" file pointers
file_register_wrapper -- Register a URL wrapper implemented as a PHP class
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
fopen -- Opens file or URL
fpassthru -- Output all remaining data on a file pointer
fputs -- Writes to a file pointer
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
ftell -- Tells file pointer read/write position
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 the filename is readable
is_uploaded_file -- Tells whether the file was uploaded via HTTP POST
is_writable -- Tells whether the filename is writable
is_writeable -- Tells whether the filename is writable
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
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 -- Returns canonicalized absolute pathname
rename -- Renames a file
rewind -- Rewind the position of a file pointer
rmdir -- Removes directory
set_file_buffer -- Sets file buffering on the given file pointer
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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