How to delete files in php

How to delete files in php: You can use the unlink() function to delete files. If the deletion is successful, this function returns true; if the deletion fails, it returns false. The specific usage method is: [if (!unlink($file)){false}else{true}].

#unlink() function deletes files. If successful, the function returns TRUE. On failure, returns FALSE.

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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 can modify the behavior of the stream.

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Code implementation:

<?php
/**
 * [$file 文件删除执行]
 * @var string
 */
$file = "test.txt";
if (!unlink($file))
  {
  echo ("Error deleting $file");
  }
else
  {
  echo ("删除成功 $file");
  }
?>

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