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PHP is_dir() Function


PHP Filesystem Reference Complete PHP Filesystem Reference

Definition and Usage

The is_dir() function checks whether the specified file is a directory.

This function returns TRUE if the directory exists.

Syntax

is_dir(file)

Parameter Description
file Required. Specifies the file to check


Tips and Notes

Note: The result of this function are cached. Use clearstatcache() to clear the cache.


Example

<?php
$file = "images";
if(is_dir($file))
  {
  echo ("$file is a directory");
  }
else
  {
  echo ("$file is not a directory");
  }
?>

The output of the code above could be:

images is a directory


PHP Filesystem Reference Complete PHP Filesystem Reference

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