public function getPerPageLimit()
    {
        ob_start();
        $selection = explode(',',$this->perPageSelection);

        ?>
        <div class="field filter-option-lg form-group">
            <label class="field-label" for="#attention-of-search">Per page</label>
            <select name="per_page" class="per-page form-control" data-width="80px" >
                <?php foreach($selection as $val):
                    $selected_attr = ($val == $this->perPage) ? "selected=\"selected\"" : null; ?>
                    <option <?php echo $selected_attr; ?> class="<?php echo $val; ?>"><?php echo $val; ?></option>
                <?php endforeach; ?>
            </select>
        </div>
        <?php
        return ob_get_clean();
    }
public function getPerPageLimit()
    {
        ob_start();
        $selection = explode(',',$this->perPageSelection);

        ?>
        <div class="field filter-option-lg form-group">
            <label class="field-label" for="#attention-of-search">Per page</label>
            <select name="per_page" class="per-page form-control" data-width="80px" >
                <?php foreach($selection as $val):
                    $selected_attr = ($val == $this->perPage) ? "selected=\"selected\"" : null; ?>
                    <option <?php echo $selected_attr; ?> class="<?php echo $val; ?>"><?php echo $val; ?></option>
                <?php endforeach; ?>
            </select>
        </div>
        <?php
        return ob_get_clean();
    }
public function getPerPageLimit ( ) { ob_start ( ) ; $ selection = explode ( ',' , $ this -> perPageSelection ) ; ?>
        <div class="field filter-option-lg form-group">
            <label class="field-label" for="#attention-of-search">Per page</label>
            <select name="per_page" class="per-page form-control" data-width="80px" >
                <?php foreach ( $ selection as $ val ) : $ selected_attr = ( $ val == $ this -> perPage ) ? "selected=\"selected\"" : null ; ?>
                    <option <?php echo $ selected_attr ; ?> class="<?php echo $ val ; ?>"><?php echo $ val ; ?></option>
                <?php endforeach ; ?>
            </select>
        </div>
        <?php return ob_get_clean ( ) ; }
generate a per page select block

@return string
generate a per page select block