snydez

hi @champsupertramp

below is the code i use

/*Write here your own functions */

function custom_negara_dropdown() { 	
  $coutries = array( 
       "FR" => "France", 
       "ES" => "Spain" ,
	   "ID" => "Indonesia",
  ); 		
  
  return $coutries;         
}

function custom_provinsi_dropdown( $has_parent = false ) {
	
	$parent_option = $_POST['parent_option'];
	
	$all_options = array(
		"ID" => array(
			"11" => "Aceh",
			"12" => "Sumatera Utara",
			"13" => "Sumatera Barat",
			"14" => "Riau",
			"15" => "Jambi",
			"16" => "Sumatera Selatan",
			"17" => "Bengkulu",
			"18" => "Lampung",
			"19" => "Kepulauan Bangka Belitung",
			"21" => "Kepulauan Riau",
			"31" => "DKI Jakarta",
			"32" => "Jawa Barat",
			"33" => "Jawa Tengah",
			"34" => "DI Yogyakarta",
			"35" => "Jawa Timur",
			"36" => "Banten",
			"51" => "Bali",
			"52" => "Nusa Tenggara Barat",
			"53" => "Nusa Tenggara Timur",
			"61" => "Kalimantan Barat",
			"62" => "Kalimantan Tengah",
			"63" => "Kalimantan Selatan",
			"64" => "Kalimantan Timur",
			"65" => "Kalimantan Utara",
			"71" => "Sulawesi Utara",
			"72" => "Sulawesi Tengah",
			"73" => "Sulawesi Selatan",
			"74" => "Sulawesi Tenggara",
			"75" => "Gorontalo",
			"76" => "Sulawesi Barat",
			"81" => "Maluku",
			"82" => "Maluku Utara",
			"91" => "Papua Barat",
			"94" => "Papua",
		),
		 "FR" => array(
         	"Paris" =>"Paris",
         	"Marseille" => "Marseille",
         	"Lyon" => "Lyon",
      	),
	);
	
	$arr_options = array();
	
	if ( ! is_array( $parent_options ) ) {
      $parent_options = array( $parent_options );
   	}

    if( isset( $all_options[ $parent_option ] ) ){
		$arr_options = $all_options[ $parent_option ];
	}elseif( ! isset( $_POST['parent_option'] ) ) {

		foreach( $all_options as $k => $opts ){
			$arr_options = array_merge( $opts, $arr_options );
		}

	}

	return $arr_options;
	
}

function custom_kota_dropdown( $has_parent = false ){
	$parent_option = $_POST['parent_option'];
	
	$all_options = array(
		"11" => array(
			"1101" => "Simeulue",
			"1102" => "Aceh Singkil",
			"1103" => "Aceh Selatan",
			"1104" => "Aceh Tenggara",
			"1105" => "Aceh Timur",
			"1106" => "Aceh Tengah",
			"1107" => "Aceh Barat",
			"1108" => "Aceh Besar",
			"1109" => "Pidie",
			"1110" => "Bireuen",
			"1111" => "Aceh Utara",
			"1112" => "Aceh Barat Daya",
			"1113" => "Gayo Lues",
			"1114" => "Aceh Tamiang",
			"1115" => "Nagan Raya",
			"1116" => "Aceh Jaya",
			"1117" => "Bener Meriah",
			"1118" => "Pidie Jaya",
			"1171" => "Banda Aceh",
			"1172" => "Sabang",
			"1173" => "Langsa",
			"1174" => "Lhokseumawe",
			"1175" => "Subulussalam",
		),
		"31" => array(
			"3101" => "Kepulauan Seribu",
			"3171" => "Jakarta Selatan",
			"3172" => "Jakarta Timur",
			"3173" => "Jakarta Pusat",
			"3174" => "Jakarta Barat",
			"3175" => "Jakarta Utara",
		),
		"37" => array(
			"3201" => "Bogor",
			"3202" => "Sukabumi",
			"3203" => "Cianjur",
			"3204" => "Bandung",
			"3205" => "Garut",
			"3206" => "Tasikmalaya",
			"3207" => "Ciamis",
			"3208" => "Kuningan",
			"3209" => "Cirebon",
			"3210" => "Majalengka",
			"3211" => "Sumedang",
			"3212" => "Indramayu",
			"3213" => "Subang",
			"3214" => "Purwakarta",
			"3215" => "Karawang",
			"3216" => "Bekasi",
			"3217" => "Bandung Barat",
			"3218" => "Pangandaran",
			"3271" => "Bogor",
			"3272" => "Sukabumi",
			"3273" => "Bandung",
			"3274" => "Cirebon",
			"3275" => "Bekasi",
			"3276" => "Depok",
			"3277" => "Cimahi",
			"3278" => "Tasikmalaya",
			"3279" => "Banjar",
		),
	);
	
	$arr_options = array();
		

	if( isset( $all_options[ $parent_option ] ) ){
		$arr_options = $all_options[ $parent_option ];
	}elseif( ! isset( $_POST['parent_option'] ) ) {

		foreach( $all_options as $k => $opts ){
			$arr_options = array_merge( $opts, $arr_options );
		}

	}

	return $arr_options;
}

and the screenshot of the form
https://s4.gifyu.com/images/negara-202104081044.png
https://s4.gifyu.com/images/provinsi-202104081045.png
https://s4.gifyu.com/images/kota-202104081045.png

thank you for your attention and assistance.

• This reply was modified 5 years, 2 months ago by snydez.