PHP is_file() Function
 Complete PHP Filesystem Reference
 Complete PHP Filesystem Reference
Definition and Usage
The is_file() function checks whether the specified file is a regular file.
This function returns TRUE if it is a file.
Syntax
is_file(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
$file = "test.txt";
if(is_file($file))
  {
  echo ("$file is a regular file");
  }
else
  {
  echo ("$file is not a regular file");
  }
?>
The output of the code above could be:
test.txt is a regular file
 Complete PHP Filesystem Reference
 Complete PHP Filesystem Reference

