Filesystem
- 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 <function>unlink</function> or <function>unset</function>
- 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 <function>disk_free_space</function>
- 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 - Reads entire file into an array
- 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
- 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 <function>fwrite</function>
- 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 <function>is_writable</function>
- 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 - Returns canonicalized absolute pathname
- realpath_cache_get - Get realpath cache entries
- realpath_cache_size - Get realpath cache size
- rename - Renames a file or directory
- rewind - Rewind the position of a file pointer
- rmdir - Removes directory
- set_file_buffer - Alias of <function>stream_set_write_buffer</function>
- 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
Search Functions
File System Related Extensions