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.

Syntax

Following below is the syntax to use this function -

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

READ: PHP | tmpfile() Function

Return Value

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

Example1

Try out the below example -

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

Output

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

Deleted /PhpProject/php/sample.txt successfully

Example2

Try out the below example -

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

   unlink("/PhpProject1/test.html");
?>

Output

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

file deleted succcessfully 

READ: PHP | umask() Function

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.

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Thanks for reading and bye for now.