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      Filesystem Functions

      Filesystem Functions

      See Also

      For related functions, see also the Directory and Program Execution sections.

      For a list and explanation of the various URL wrappers that can be used as remote files, see also List of Supported Protocols/Wrappers.

      Table of Contents

      • basename — Returns filename 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 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_exists — Checks whether a file or directory exists
      • file_get_contents — Reads entire file into a string
      • file_put_contents — Write a string 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
      • 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 — 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
      • 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 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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