What is the function to delete files in php

php's function to delete files is "unlink()". The syntax of this function is "unlink(filename,context)", where the parameter "filename" represents the file to be deleted, and the parameter "context" represents the file handle. environment of.

unlink()

Definition and usage

unlink() function deletion document.

If successful, return true, otherwise return false.

Syntax

unlink(filename,context)

Parameters

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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