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PHP | unlink() Function

PHP unlink() 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 unlink() Function.

The built-in unlink() function in PHP deletes a filename and it is very similar to the Unix C unlink() function.


Following below is the syntax to use this function -

bool unlink ( string $filename [, resource $context ] )

Return Value

This PHP function returns true on success, or false on failure.


Try out the below example -

   $file = "/PhpProject/php/sample.txt";
   if(!unlink($file)) {
      echo ("Error deleting $file");
   } else {
      echo ("Deleted $file successfully");


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

Deleted /PhpProject/php/sample.txt successfully


Try out the below example -

   $fh = fopen("/PhpProject/test.html", "a");
   fwrite($fh, "<h1> Hello world! </h1>");



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

file deleted succcessfully 

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP Hash Functions.

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.

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