Load fonts from google fonts CDN.

gistfile1.php

/**
 * Load fonts from google fonts CDN.
 * @param $fonts {Array}  Array of fonts to be loaded.
 * @param $echo {Boolean} If true, print each <link>, else, return an array
 * @return {Array} If $echo is true, it will return an empty string.
 * @example loadFontFromGoogle( array(
 *              "Open Sans" => "300,400,600" // font name => thickness
 *          ));
 */
function loadFontFromGoogle( $fonts, $echo = true ) {
    $listOfFonts = array();
    $googlefontsURL = 'http://fonts.googleapis.com/css?family=';
    $i = 0;
    foreach ($fonts as $key => $value) {
        $key = join( '+', explode( ' ', $key ) );
        $fontURL = $googlefontsURL.$key.':'.$value;
        if ( $echo ) 
            printf( '<link href="%s" rel="stylesheet" type="text/css">', $fontURL );
        else
            $listOfFonts[ $key ] = '<link href="'.$fontURL.'" rel="stylesheet" type="text/css">';
        $i += 1;
    }
    return $listOfFonts;
}