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PHP unlink() function

高洛峰
高洛峰Original
2017-02-09 10:12:213204browse

Definition and usage

unlink() function deletes 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");
  }
?>

                                                                

Definition and usage

unlink() function deletes 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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