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PHP | is_writeable() Function

PHP is_writeable() Function

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_writeable() Function.

The built-in is_writeable() function checks whether the specified file is writeable. It is an alias of the is_writable() function.


Following below is the syntax to use this function -

bool is_writeable ( string $filename )

Return Value

This built-in function returns true if the file is writeable, otherwise it returns false.


Try out the below example -

   $file = "/PhpProject/php/phptest.txt";
   if(is_writeable($file)) {
       echo ("$file is writeable");
   } else {
       echo ("$file is not wrietable");


When the above code is executed, it will produce the following result -

/PhpProject/php/phptest.txt is writeable

Alright guys! This is where we are rounding up for this tutorial guide. In our next tutorial guide, we are going to be discussing about the PHP lchgrp() Function.

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