A view helper for ZF2 (Zend Framework 2) This view helper will "urlize" a word or phrase to make it "safer" as a url slug. e.g. It's Séan's Party becomes its-seans-party

Urlize.php

<?php

namespace Application\View\Helper;
use Zend\View\Helper\AbstractHelper;


class Urlize extends AbstractHelper
{
    public function __invoke($string)
    {

        // Unicode? - don't allow accented characters in our output
        // e.g. "It's Séan's Party"  becomes "its-seans-party"

        // Funky Quotes
        $quotes_array = array("&#8220;" => "\"", "&#8221;" => "\"" );
        $string = strtr($string, $quotes_array);

        // Accented Characters
        $string = strtr($string, array(
                "æ" => "ae", "Æ" => "AE", "œ" => "oe", "Œ" => "OE",
                "ß" => "ss", "£" => "pound", "€" => "euro",
                "à" => "a", "á" => "a", "â" => "a", "ä" => "a", "å" => "a",
                "À" => "A", "Ã" => "A", "Á" => "A", "Â" => "A",
                "ç" => "c", "Ç" => "C",
                "ê" => "e", "ë" => "e", "è" => "e", "é" => "e",
                "Ê" => "E", "Ë" => "E", "É" => "E", "È" => "E",
                "ï" => "i", "í" => "i", "î" => "i", "ì" => "i",
                "Í" => "I", "Ì" => "I", "Î" => "I", "Ï" => "I",
                "ñ" => "n", "Ñ" => "N",
                "ô" => "o", "ö" => "o", "ò" => "o", "õ" => "o", "ó" => "o", "ø" => "o",
                "Ó" => "O", "Ô" => "O", "Õ" => "O", "Ø" => "O", "Ö" => "O", "Ò" => "O",
                "š" => "s", "Š" => "S",
                "ú" => "u", "ü" => "u", "û" => "u", "ù" => "u",
                "Ù" => "U", "Ú" => "U", "Ü" => "U", "Û" => "U",
                "ÿ" => "y", "Ÿ" => "Y", "ý" => "y", "Ý" => "Y",
                "ž" => "z", "Ž" => "Z",
                "þ" => "b", "ƒ" => "f", "µ" => "u", "ð" => "o", "Ð" => "D", "¥" => "Y"
            ) );

        // Lowercase
        $string = strtolower($string);
        // replaces spaces with dashes
        $string = str_replace(' ','-',$string);
        // Ampersands become the word and
        $string = str_replace('&', 'and', $string);
        // Quotes get dropped
        $string = str_replace("'", '', $string);
        $string = str_replace('"', '', $string);

        // anything not in this list gets dropped
        $unreserved_charset =  '/[^a-zA-Z0-9_\-\.~]/';
        $result = preg_replace($unreserved_charset,'',$string);

        return $result;
    }


}


/**
 * Add this function to your Application/Module.php file
 * 
 * */

    /**
     * define my custom viewHelpers/escape functions etc here.
     * @return array
     */
    public function getViewHelperConfig()   {
        return array(
            'invokables' => array(
                'Urlize' => 'Application\View\Helper\Urlize',
            )
        );
    }


/***********************************
 * Example Usage in view.phtml
 * 
 * <a href="<?php echo $this->url('album',
 *                                      array('action' => $this->Urlize($album->title) ,
 *                                            'id' => $album->id));?>" class="btn btn-primary">Details</a>
 ************************************/
?>

view.phtml

<a href="<?php echo $this->url('album', array('action' => $this->Urlize($album->title) , 'id' => $album->id));?>" class="btn btn-primary">Details</a>