PHP is_writeable() function
Definition and Usage
is_writeable() function determines whether the specified file is writable.
This function is is_writable() Alias of the function.
Syntax
is_writeable(file)
Parameter | Description |
---|---|
file | Required. Specifies the file to be checked. |
Description
If the file exists and is writable, it will return true.file The parameter can be a directory name that allows for writable check.
Tips and Comments
Note:The result of this function will be cached. Please use clearstatcache() To clear the cache.
Example
<?php $file = "test.txt"; if(is_writeable($file)) { echo ("$file is writeable"); } else { echo ("$file is not writeable"); } ?>
Output:
test.txt is writeable