tempnam
Description
The tempnam of Filesystem for PHP create file with unique file name.
Syntax
tempnam( string $directory, string $prefix ): string|false
Parameters
dir
The directory where the temporary filename will be created.
prefix
The prefix of the generated temporary filename.
NOTE: Only the first 63 characters of the prefix are used. Windows only uses the first 3 characters of the prefix.
Return
Returns the new temporary filename (with path), or false on failure.
Examples
1 · dir prefix
<? $dir = sys_get_temp_dir(); $prefix = 'tmp'; $return = tempnam($dir, $prefix); echo $return; unlink($return);
/tmp/tmpa8EkBP
2
<? $dir = sys_get_temp_dir(); $prefix = 'tmp'; $return = tempnam($dir, $prefix); echo $return; $stream = fopen($return, 'w'); fwrite($stream, 'writing to tempfile'); fclose($stream); unlink($return);
/tmp/tmpMqhdyc
Links
Filesystem
- basename
- chgrp
- chmod
- chown
- clearstatcache
- copy
- dirname
- disk_free_space
- disk_total_space
- diskfreespace
- fclose
- feof
- fflush
- fgetc
- fgetcsv
- fgets
- file
- file_exists
- file_get_contents
- file_put_contents
- fileatime
- filectime
- filegroup
- fileinode
- filemtime
- fileowner
- fileperms
- filesize
- filetype
- flock
- fnmatch
- fopen
- fpassthru
- fputcsv
- fputs
- fread
- fscanf
- fseek
- fstat
- ftell
- ftruncate
- fwrite
- glob
- is_dir
- is_executable
- is_file
- is_link
- is_readable
- is_uploaded_file
- is_writable
- is_writeable
- lchgrp
- lchown
- link
- linkinfo
- lstat
- mkdir
- move_uploaded_file
- pathinfo
- pclose
- popen
- readfile
- readlink
- realpath
- realpath_cache_get
- realpath_cache_size
- rename
- rewind
- rmdir
- set_file_buffer
- stat
- symlink
- tmpfile
- touch
- umask
- unlink