PHP arsort() Function
Definition and Usage
The filesize() function returns the size of the specified file.
If successful, it returns the number of bytes of the file size. If it fails, it returns false and generates an E_WARNING level error.
Syntax
filesize(filename)
| Parameter | Description |
|---|---|
| filename | Required. Specifies the file to be checked. |
Tips and Comments
Tip:The result of this function will be cached. Please use clearstatcache() to clear the cache.
Example
<?php
echo filesize("test.txt");
?>
Output:
20
