PHP/file/meta

PHP file metadata access

PHP File fx() glob meta I/O naming

Functions

Read Meta

• file_exists() – returns bool indicating whether a file or dir exists
• 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
• fstat() – Gets information about a file using an open file pointer
• linkinfo() – Gets information about a link
• lstat() – Gives information about a file or symbolic link
• readlink() – Returns the target of a symbolic link
• stat() – Gives information about a file

bool condition-checks

• 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

Write Meta

• chgrp() — Changes file group
• chmod() — Changes file mode
• chown() — Changes file owner
• clearstatcache() — Clears file status cache
• disk_free_space() — Returns available space on filesystem or disk partition
• disk_total_space() — Returns the total size of a filesystem or disk partition
• lchgrp() — Changes group ownership of symlink
• lchown() — Changes user ownership of symlink