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PHP Manual

# unlink

(PHP 4, PHP 5, PHP 7)

unlink — Deletes a file

### Description

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

Deletes `filename`. Similar to the Unix C unlink() function. An `E_WARNING` level error will be generated on failure.

### Parameters

`filename`

  Path to the file.

`context`

  > Note: Context support was added with PHP 5.0.0. For a description of contexts, refer to Streams.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Changelog

Version | Description
--- | ---
5.0.0 | As of PHP 5.0.0 unlink() can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers for a listing of which wrappers support unlink().

### Examples

Example #1 Basic unlink() usage

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

### See Also

- rmdir() - Removes directory

umask
Inotify
Filesystem Functions
PHP Manual