PHP filetype () function
Definition and Usage
filetype () function returns the specified file or directory type.
If successful, the function returns one of the possible values of seven kinds. If it fails, it returns FALSE.
The possible return values:
- fifo
- char
- dir
- block
- link
- file
- unknown
grammar
filetype(filename)
参数 | 描述 |
---|---|
filename | 必需。规定要检查的文件。 |
Tips and Notes
Note: The results of this function are cached.Use clearstatcache () to clear the cache.
Example 1
<?php
echo filetype("test.txt");
?>
echo filetype("test.txt");
?>
The code above will output:
file
Example 2
<?php
echo filetype("images");
?>
echo filetype("images");
?>
The code above will output:
dir
Complete PHP Filesystem Reference Manual