Php/docs/directoryiterator.getextension
DirectoryIterator::getExtension
(PHP 5 >= 5.3.6, PHP 7)
DirectoryIterator::getExtension — Gets the file extension
Description
public DirectoryIterator::getExtension ( ) : string
Retrieves the file extension.
Parameters
This function has no parameters.
Return Values
Returns a string containing the file extension, or an empty string if the file has no extension.
Examples
Example #1 DirectoryIterator::getExtension() example
<?php$directory = new DirectoryIterator(__DIR__);foreach ($directory as $fileinfo) { if ($fileinfo->isFile()) { echo $fileinfo->getExtension() . "\n"; }}?>
The above example will output something similar to:
php txt jpg gz
Notes
Note:
This method is only available as of PHP 5.3.6. Another way of getting the extension is to use the pathinfo() function.
<?php$extension = pathinfo($fileinfo->getFilename(), PATHINFO_EXTENSION);?>
See Also
- DirectoryIterator::getFilename() - Return file name of current DirectoryIterator item
- DirectoryIterator::getBasename() - Get base name of current DirectoryIterator item
- pathinfo() - Returns information about a file path