class.yahoostock.php

<?php
/**
 * Class to fetch stock data from Yahoo! Finance
 *
 */
 
class YahooStock {
    
	/**
	 * Array of stock code
	 */
    private $stocks = array();
	
	/**
	 * Parameters string to be fetched	 
	 */
	private $format;
 
    /**
     * Populate stock array with stock code
	 *
     * @param string $stock Stock code of company    
     * @return void
     */
    public function addStock($stock)
    {
        $this->stocks[] = $stock;
		
    }
	
	/**
     * Populate parameters/format to be fetched
	 *
     * @param string $param Parameters/Format to be fetched
     * @return void
     */
	public function addFormat($format)
    {
        $this->format = $format;
    }
 
    /**
     * Get Stock Data
	 *
     * @return array
     */
    public function getQuotes()
    {        
        $result = array();		
		$format = $this->format;
        
        foreach ($this->stocks as $stock)
        {            
			/**
			 * fetch data from Yahoo!
			 * s = stock code
			 * f = format
			 * e = filetype
			 */
            $s = file_get_contents("http://download.finance.yahoo.com/d/quotes.csv?s=$stock&f=$format&e=.csv");
			
			/** 
			 * Cleaned up the name column so it fits in one cell
			 */
			$t = str_replace( ', Inc', '', $s );
            
			/** 
			 * convert the comma separated data into array
			 */
            $data = explode( ',', $t);
			/** 
			 * populate result array with stock code as key
			 */
            $result[$stock] = $data;
			
			
        }
        return $result;
    }
}