FilesystemIterator::key

(PHP 5 >= 5.3.0, PHP 7)
Retrieve the key for the current file
public string FilesystemIterator::key ( void )
Returns:

Returns the pathname or filename depending on the set flags. See the FilesystemIterator constants.

Examples:
FilesystemIterator::key() example

This example will list the contents of the directory containing the script.

<?php
$iterator = new FilesystemIterator(dirname(__FILE__), FilesystemIterator::KEY_AS_FILENAME);
foreach ($iterator as $fileinfo) {
    echo $iterator->key() . "\n";
}
?>

The above example will output something similar to:

apple.jpg
banana.jpg
example.php
See also:

FilesystemIterator constants -

DirectoryIterator::key() -

DirectoryIterator::getFilename() -

DirectoryIterator::getPathname() -

doc_php
2016-02-24 16:19:52
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