zend framework2 - ZF2 How to set <input type='radio' CHECKED> with a custom Form Element -


how set checked within form input radio field? form field added using custom form element. value of field isn't consistent.

my custom form element returns 1 element. radio input field. need checked each , every time form submitted. reason using instead of "hidden" field user see settings.

this custom form element

namespace member\form\element;  use doctrine\orm\entitymanager; use zend\form\element\radio;  /** * class originallanguageisoradio * * @package member\form\element */ class originallanguageisoradio extends radio {    /**     * @var entitymanager $entitymanager     */    protected $entitymanager;     /**     * @var string $translationkey     */    protected $translationkey;     /**     * @var string $textdomain     */    protected $textdomain;     /**     * @param entitymanager $entitymanager     * @param string $translationkey     * @param string $textdomain     */    public function __construct(        entitymanager $entitymanager,        $translationkey,        $textdomain    )    {        $this->entitymanager = $entitymanager;         $this->translationkey = $translationkey;         $this->textdomain = $textdomain;    }     /**     * value options     *     * @return array     *     * @throws \exception     */    public function getvalueoptions()    {        $array = [];         $query = $this->entitymanager            ->createquerybuilder()            ->from(                'amdatabase\entity\theverse\translationsmasters',                't'            )            ->select('t.languageiso')            ->setmaxresults(1);         $result = $query->getquery()                        ->getarrayresult();         if (is_array($result) && count($result) > '0') {            foreach ($result $value) {                if ( $value['languageiso'] == '' ) {                    $array['global'] = $value['global'];                } else {                    $array[$value['languageiso']] = $value['languageiso'];                }            }        }         return $array;    } 

}

then call custom form element:

/**  * original language iso  */ $this->add(     [         'type'       => 'member\form\element\originallanguageisoradio',         'name'       => 'original_language_iso',         'options'    => [             'label' => 'original_language_iso'         ],         'attributes' => [             'id' => 'original_language_iso',         ]     ] ); 

this adds following form:

<input type="radio" name="original_language_iso" id="original_language_iso" value="en-us"> 

my desired output is

<input type="radio" name="original_language_iso" id="original_language_iso" value="en-us" **checked**> 

you have 2 options: a) backend: attributes array must contain 'value' set element of values available, that's way auto-check radio input. example, be:

$this->add(     [         'type'       => 'member\form\element\originallanguageisoradio',         'name'       => 'original_language_iso',         'options'    => [             'label' => 'original_language_iso'         ],         'attributes' => [             'id' => 'original_language_iso',             'value'=>'something_here'         ]     ] ); 

b) front: use jquery check radio input. may with:

jquery('#original_language_iso').attr('checked','checked');