| Function |
Description |
PHP Version |
| basename() |
Returns the filename component of a path |
3 |
| chgrp() |
Changes the file group |
3 |
| chmod() |
Changes the file mode |
3 |
| chown() |
Changes the file owner |
3 |
| clearstatcache() |
Clears the file status cache |
3 |
| copy() |
Copies a file |
3 |
| delete() |
See unlink() or unset() |
|
| dirname() |
Returns the directory name component of a path |
3 |
| disk_free_space() |
Returns the free space of a directory |
4 |
| disk_total_space() |
Returns the total size of a directory |
4 |
| diskfreespace() |
Alias of disk_free_space() |
3 |
| fclose() |
Closes an open file |
3 |
| feof() |
Tests for end-of-file on an open file |
3 |
| fflush() |
Flushes buffered output to an open file |
4 |
| fgetc() |
Returns a character from an open file |
3 |
| fgetcsv() |
Parses a line from an open file, checking for CSV fields |
3 |
| fgets() |
Returns a line from an open file |
3 |
| fgetss() |
Returns a line, with HTML and PHP tags removed, from an open file |
3 |
| file() |
Reads a file into an array |
3 |
| file_exists() |
Checks whether or not a file or directory exists |
3 |
| file_get_contents() |
Reads a file into a string |
4 |
| file_put_contents |
Writes a string to a file |
5 |
| fileatime() |
Returns the last access time of a file |
3 |
| filectime() |
Returns the last change time of a file |
3 |
| filegroup() |
Returns the group ID of a file |
3 |
| fileinode() |
Returns the inode number of a file |
3 |
| filemtime() |
Returns the last modification time of a file |
3 |
| fileowner() |
Returns the user ID (owner) of a file |
3 |
| fileperms() |
Returns the permissions of a file |
3 |
| filesize() |
Returns the file size |
3 |
| filetype() |
Returns the file type |
3 |
| flock() |
Locks or releases a file |
3 |
| fnmatch() |
Matches a filename or string against a specified pattern |
4 |
| fopen() |
Opens a file or URL |
3 |
| fpassthru() |
Reads from an open file, until EOF, and writes the result to the output buffer |
3 |
| fputcsv() |
Formats a line as CSV and writes it to an open file |
5 |
| fputs() |
Alias of fwrite() |
3 |
| fread() |
Reads from an open file |
3 |
| fscanf() |
Parses input from an open file according to a specified format |
4 |
| fseek() |
Seeks in an open file |
3 |
| fstat() |
Returns information about an open file |
4 |
| ftell() |
Returns the current position in an open file |
3 |
| ftruncate() |
Truncates an open file to a specified length |
4 |
| fwrite() |
Writes to an open file |
3 |
| glob() |
Returns an array of filenames / directories matching a specified pattern |
4 |
| is_dir() |
Checks whether a file is a directory |
3 |
| is_executable() |
Checks whether a file is executable |
3 |
| is_file() |
Checks whether a file is a regular file |
3 |
| is_link() |
Checks whether a file is a link |
3 |
| is_readable() |
Checks whether a file is readable |
3 |
| is_uploaded_file() |
Checks whether a file was uploaded via HTTP POST |
3 |
| is_writable() |
Checks whether a file is writeable |
4 |
| is_writeable() |
Alias of is_writable() |
3 |
| link() |
Creates a hard link |
3 |
| linkinfo() |
Returns information about a hard link |
3 |
| lstat() |
Returns information about a file or symbolic link |
3 |
| mkdir() |
Creates a directory |
3 |
| move_uploaded_file() |
Moves an uploaded file to a new location |
4 |
| parse_ini_file() |
Parses a configuration file |
4 |
| pathinfo() |
Returns information about a file path |
4 |
| pclose() |
Closes a pipe opened by popen() |
3 |
| popen() |
Opens a pipe |
3 |
| reardfile() |
Reads a file and writes it to the output buffer |
3 |
| readlink() |
Returns the target of a symbolic link |
3 |
| realpath() |
Returns the absolute pathname |
4 |
| rename() |
Renames a file or directory |
3 |
| rewirnd() |
Rewinds a file pointer |
3 |
| rmdir() |
Removes an empty directory |
3 |
| set_file_buffer() |
Sets the buffer size of an open file |
3 |
| stat() |
Returns information about a file |
3 |
| symlink() |
Creates a symbolic link |
3 |
| tempnam() |
Creates a unique temporary file |
3 |
| tmpfile() |
Creates a unique temporary file |
3 |
| touch() |
Sets access and modification time of a file |
3 |
| umask() |
Changes file permissions for files |
3 |
| unlink() |
Deletes a file |
3 |