Function |
Description |
basename() |
Returns the filename component of a path |
chgrp() |
Changes the file group |
chmod() |
Changes the file mode |
chown() |
Changes the file owner |
clearstatcache() |
Clears the file status cache |
copy() |
Copies a file |
delete() |
See unlink() or unset() |
dirname() |
Returns the directory name component of a path |
disk_free_space() |
Returns the free space of a directory |
disk_total_space() |
Returns the total size of a directory |
diskfreespace() |
Alias of disk_free_space() |
fclose() |
Closes an open file |
feof() |
Tests for end-of-file on an open file |
fflush() |
Flushes buffered output to an open file |
fgetc() |
Returns a character from an open file |
fgetcsv() |
Parses a line from an open file, checking for CSV fields |
fgets() |
Returns a line from an open file |
fgetss() |
Returns a line, with HTML and PHP tags removed, from an open file |
file() |
Reads a file into an array |
file_exists() |
Checks whether or not a file or directory exists |
file_get_contents() |
Reads a file into a string |
file_put_contents |
Writes a string to a file |
fileatime() |
Returns the last access time of a file |
filectime() |
Returns the last change time of a file |
filegroup() |
Returns the group ID of a file |
fileinode() |
Returns the inode number of a file |
filemtime() |
Returns the last modification time of a file |
fileowner() |
Returns the user ID (owner) of a file |
fileperms() |
Returns the permissions of a file |
filesize() |
Returns the file size |
filetype() |
Returns the file type |
flock() |
Locks or releases a file |
fnmatch() |
Matches a filename or string against a specified pattern |
fopen() |
Opens a file or URL |
fpassthru() |
Reads from an open file, until EOF, and writes the result to the output buffer |
fputcsv() |
Formats a line as CSV and writes it to an open file |
fputs() |
Alias of fwrite() |
fread() |
Reads from an open file |
fscanf() |
Parses input from an open file according to a specified format |
fseek() |
Seeks in an open file |
fstat() |
Returns information about an open file |
ftell() |
Returns the current position in an open file |
ftruncate() |
Truncates an open file to a specified length |
fwrite() |
Writes to an open file |
glob() |
Returns an array of filenames / directories matching a
specified pattern |
is_dir() |
Checks whether a file is a directory |
is_executable() |
Checks whether a file is executable |
is_file() |
Checks whether a file is a regular file |
is_link() |
Checks whether a file is a link |
is_readable() |
Checks whether a file is readable |
is_uploaded_file() |
Checks whether a file was uploaded via HTTP POST |
is_writable() |
Checks whether a file is writeable |
is_writeable() |
Alias of is_writable() |
lchgrp() |
Changes group ownership of symlink |
lchown() |
Changes user ownership of symlink |
link() |
Creates a hard link |
linkinfo() |
Returns information about a hard link |
lstat() |
Returns information about a file or symbolic link |
mkdir() |
Creates a directory |
move_uploaded_file() |
Moves an uploaded file to a new location |
parse_ini_file() |
Parses a configuration file |
parse_ini_string() |
Parses a configuration string |
pathinfo() |
Returns information about a file path |
pclose() |
Closes a pipe opened by popen() |
popen() |
Opens a pipe |
readfile() |
Reads a file and writes it to the output buffer |
readlink() |
Returns the target of a symbolic link |
realpath() |
Returns the absolute pathname |
realpath_cache_get() |
Returns realpath cache entries |
realpath_cache_size() |
Returns realpath cache size |
rename() |
Renames a file or directory |
rewind() |
Rewinds a file pointer |
rmdir() |
Removes an empty directory |
set_file_buffer() |
Sets the buffer size of an open file |
stat() |
Returns information about a file |
symlink() |
Creates a symbolic link |
tempnam() |
Creates a unique temporary file |
tmpfile() |
Creates a unique temporary file |
touch() |
Sets access and modification time of a file |
umask() |
Changes file permissions for files |
unlink() |
Deletes a file |