<?php

$fileArray = array();
$filePath = '/var/www';
$filter = '#\.(gif|jpe?g|png)$#i';
$fileCount = getFileInfo($filePath, $fileArray, $filter);

echo "File Count: $fileCount\nFile Array:\n";
print_r($fileArray);

function getFileInfo($filePath, &$fileArray, $filter='') {
    $leaves = 0;
    $d = new DirectoryIterator($filePath);
    foreach ( $d as $f ) {
        $name = $f->getFilename();
        if ( substr($name, 0, 1) == '.' )
            continue;
        elseif ( $f->isDir() ) {
            $fileArray[$name] = array();
            $sub_leaves = getFileInfo("$filePath/$name", $fileArray[$name], $filter);
            $fileArray[$name]['fileCount'] = $sub_leaves;
            $leaves += $sub_leaves;
        }
        elseif ( !$filter || preg_match($filter, $name) ) {
            $fileArray[] = $name;
            $leaves++;
        }
    }
    return $leaves;
}

?>