PHP is_writeable() Function
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Definition and Usage
The is_writeable() function checks whether the specified file is writeable.
This function returns TRUE if the file is writeable.
This function is an alias of the is_writable() function.
Syntax
is_writeable(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the file to check |
Tips and Notes
Note: The result of this function are cached. 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");
}
?>
The output of the code above could be:
test.txt is writeable
❮ Complete PHP Filesystem Reference
