DirectoryIterator::key
Return the key for the current DirectoryIterator item
Description
public string DirectoryIterator::key
( void
)
Parameters
This function has no parameters.
Return Values
The key for the current DirectoryIterator item.
Examples
Example #1 A DirectoryIterator::key example
<?php
$dir = new DirectoryIterator(dirname(__FILE__));
foreach ($dir as $fileinfo) {
if (!$fileinfo->isDot()) {
echo $fileinfo->key() . " => " . $fileinfo->getFilename() . "\n";
}
}
?>
The above example will output
something similar to:
0 => apple.jpg
1 => banana.jpg
2 => index.php
3 => pear.jpg
See Also
- DirectoryIterator::current
- DirectoryIterator::next
- DirectoryIterator::rewind
- DirectoryIterator::valid
- Iterator::key