//添加常规选项
function connect_mobile_fields() {
register_setting( 'general', 'connect_mobile' );
add_settings_field( 'connect_mobile', '<label for="connect_mobile">联系电话</label>', 'connect_mobile_fields_setting', 'general' );
}
function connect_mobile_fields_setting() {
$value = get_option( 'connect_mobile' );
echo '<input name="connect_mobile" type="text" id="connect_mobile" class="regular-text" value="'.$value.'">';
}
add_filter( 'admin_init' , 'connect_mobile_fields' );
// 页面调用方式
get_option('connect_mobile')