Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP is_writable() Function.
The is_writable() function checks whether the specified file is writable.
The is_writable() function checks whether the specified file is writable.
Syntax
Following below is the syntax to use this function -
bool is_writable ( string $filename )
READ: PHP | is_link() Function
This built-in PHP function returns true if the filename exists and writable. The filename argument may be a directory name that lets us to check if the directory is writable.
Return Value
This built-in PHP function returns true if the file is writable, otherwise it returns false.
Example
Try out the below example -
<?php $file = "/PhpProject/php/phptest.txt"; if(is_writable($file)) { echo ("$file is writable"); } else { echo ("$file is not writable"); } ?>
Output
When the above code is executed, it will produce the following result -
/PhpProject/php/phptest.txt is writable
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP is_writeable() Function.
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Do feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.