Definition :
The PHP is_writable() function checks whether a file exists and is writable.
Note: The results of this function are cached. Use clearstatcache() function to clear the cache.
is_writable(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the path to the file to check |
Given below Check whether the specified filename is writable:
Output : demo.txt is writable