[英]How to set the 'selected option' of a select dropdown list country and state
我的過濾器搜索流程:
case 'region_state':
$output .= '
<div class="clear"></div>
<label><st>' . __( "Country", AT_TEXTDOMAIN ) . ':</s2></label>
<div class="select_box_1">
<select name="region_id" id="region_id" class="custom-select select_1">';
$output .= '<option value="0">' . __( "All", AT_TEXTDOMAIN ) . '</option>';
foreach ($view->add_widget( 'reference_widget', array( 'method' => 'get_regions' ), true ) as $key => $value) {
$output .= '<option value="' . $value['id'] . '">' . $value['name'] . '</option>';
}
// foreach (AT_VC_Helper::get_manufacturers() as $value => $key) {
// $output .= '<option value="' . $key. '">' . $value . '</option>';
// }
$output .= '
</select>
</div>
<label><s3>' . __( "State", AT_TEXTDOMAIN ) . ':</s3></label>
<div class="select_box_1">
<select name="state_id" id="state_id" class="custom-select select_1">
<option>All</option>
</select>
</div>';
$output .= '<input type="submit" value="' . __( "Search", AT_TEXTDOMAIN ) . '" class="btn_search btn-1 float-right" id="search_car_shortcode1"/>';
break;
數據來自reference_widget WordPress管理員,我希望有1個國家用於美國前州:紐約,默認情況下。
您需要在每個循環上進行測試,如果您使用的值是應“選擇”的值。
// the value you want to be selected
$region_id = $_REQUEST['region_id'];
// loop through the options
foreach ( $view->add_widget( 'reference_widget', array( 'method' => 'get_regions' ), true ) as $key => $value ){
// if the value matches, we want to output "selected"
$selected = ( $region_id == $value )? ' selected' : '';
$output .= '<option value="' . $value['id'] . '"' . $selected . '>' . $value['name'] . '</option>';
}
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