Definition and usage of PHP unlink() function

This article brings you the definition and usage of the PHP unlink() function. Friends in need can refer to the

Definition and usage

unlink() function to delete files.

If successful, return true, otherwise return false.

Syntax

unlink(filename,context)

Parameters	Description
filename	Required. Specifies the files to be deleted.
context	Optional. Specifies the environment for a file handle. Context is a set of options that modify the behavior of the stream.

Tips and Notes

Note: Support for context was added in PHP 5.0.0.

Example

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

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PHP unlink() function

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