https://groups.google.com/forum/?fromgroups=#!topic/cake-php/0Si0ybDrM80

gistfile1.php

<?php
	
	class ExamplesController extends AppController {
	
		public $fileCounts = array( );
		
		public function countFilesByExtension( $fileExtension, $directoryPath ){
			return $this->setFileCounts( $fileExtension, count( glob( "{$directory}*.{$fileExtension}" )));
		}
		
		public function setFileCounts( $key, $value = null ){
			$this->fileCounts[ $key ] = $value;
		}
		
		public function generateFileCounts( array $fileExtensions, $directoryPath ){
			foreach( $fileExtensions as $fileExtension ){
				$this->countFilesByExtension( $fileExtension, $directoryPath );
			}
		}
		
		public function index( ){
			$extensions = array( 'jpg', 'gif', 'png' );
			$this->generateFileCounts( $extensions, "../images/team/harry/" );
			debug( $this->fileCounts );
		}
	}