WordPress主题中的重置/刷新搜索表单按钮

第一次发布。非常感谢你提前提供的帮助。我真的很感激。
【WordPress主题中的重置/刷新搜索表单按钮】我目前正在使用wordpress主题来搜索世界各地的别墅, 并且我想添加一个重置按钮, 以清除由自定义字段应用填充的字段, 下拉列表和复选框。正常的重置按钮不起作用, 由于我正在自己动手自学PHP, 所以我很茫然。这是指向页面的链接, 我将粘贴一些代码, 以便你了解我正在查看的内容。
我非常感谢任何帮助, 因为主题作者一直让我失望。
链接

< ?php global $realty_theme_option, $wp_query; ?> < form class="property-search-form border-box" action="< ?php if ( tt_page_id_template_search() ) { echo get_permalink( tt_page_id_template_search() ); } ?> "> < div class="row"> < ?php if ( isset( $realty_theme_option['property-search-results-page'] ) & & empty( $realty_theme_option['property-search-results-page'] ) ) { ?> < div class="col-xs-12" style="margin-bottom: 1em"> < p class="alert alert-info"> < ?php esc_html_e( 'Please go to "Appearance > Theme Options > Pages" and set the page you want to use as your property search results.', 'realty' ); ?> < /p> < /div> < ?php } ?> < ?php// Form select classes$form_select_class = 'form-control'; if ( $realty_theme_option['enable-rtl-support'] || is_rtl() ) {$form_select_class .= ' chosen-select chosen-rtl'; } else {$form_select_class .= ' chosen-select'; }$acf_field_array = array(); if ( isset( $realty_theme_option['property-search-features'] ) & & ! tt_is_array_empty( $realty_theme_option['property-search-features'] ) ) {$property_search_features = $realty_theme_option['property-search-features']; } else {$property_search_features = null; }$raw_search_params = get_query_var( 'property_search_parameters' ); if ( ! tt_is_array_empty( $raw_search_params ) ) {$search_parameters = $raw_search_params; } else if ( isset( $realty_theme_option['property-search-parameter'] ) & & ! empty( $realty_theme_option['property-search-parameter'] ) ) {$search_parameters = $realty_theme_option['property-search-parameter']; } else {$search_parameters = null; }$raw_search_fields = get_query_var('property_search_fields'); if ( ! tt_is_array_empty( $raw_search_fields ) ) {$search_fields = $raw_search_fields; } else if ( isset( $realty_theme_option['property-search-parameter'] ) & & ! empty( $realty_theme_option['property-search-parameter'] ) ) {$search_fields = $realty_theme_option['property-search-field']; } else {$search_fields = null; }$raw_search_labels = get_query_var('property_search_labels'); if ( ! tt_is_array_empty( $raw_search_labels ) ) {$search_labels = $raw_search_labels; } else if ( isset( $realty_theme_option['property-search-label'] ) & & ! empty( $realty_theme_option['property-search-label'] ) ) {$search_labels = $realty_theme_option['property-search-label']; }else {$search_labels = null; }$default_search_fields_array = array('estate_search_by_keyword', 'estate_property_id', 'estate_property_location', 'estate_property_type', 'estate_property_status', 'estate_property_price', 'estate_property_price_min', 'estate_property_price_max', 'estate_property_pricerange', 'estate_property_size', 'estate_property_rooms', 'estate_property_bedrooms', 'estate_property_bathrooms', 'estate_property_garages', 'estate_property_available_from'); $i = 0; if ( isset( $search_form_columns ) & & ! empty( $search_form_columns ) ) {// Use $columns parameter from shortcode [property_search_form]$count_search_fields = $search_form_columns; } else {// No shortcode $columns found, pick columns according to total field count$count_search_fields = count( $search_fields ); }if ( $count_search_fields == 1 ) {$columns = 'col-xs-12'; } else if ( $count_search_fields == 2 ) {$columns = 'col-xs-12 col-sm-6'; } else if ( $count_search_fields == 3 ) {$columns = 'col-xs-12 col-sm-6 col-md-4'; } else {$columns = 'col-xs-12 col-sm-4 col-md-3'; }if ( is_page_template( 'template-map-vertical.php' ) ) {$columns = 'col-xs-12 col-sm-6'; }// Do we have any search parameters defined?if ( isset( $search_parameters ) & & ! empty( $search_parameters[0] ) ) {foreach ( $search_fields as $search_field ) {$search_parameter = $search_parameters[$i]; // Check If Search Field Is Filled Outif ( ! empty( $search_field ) ) {// Default Property Fieldif ( in_array( $search_field, $default_search_fields_array ) ) {switch ( $search_field ) {case 'estate_search_by_keyword' :case 'estate_property_id' :?> < div class="< ?php echo $columns; ?> form-group"> < input type="text" name="< ?php echo $search_parameter; ?> " id="< ?php echo $search_parameter; ?> " value="http://www.srcmini.com/< ?php echo isset( $_GET[$search_parameter]) ? $_GET[$search_parameter] :''; ?> " placeholder="< ?php echo $search_labels[$i]; ?> " class="form-control" /> < /div> < ?phpbreak; case 'estate_property_location' : ?> < div class="< ?php echo $columns; ?> form-group select"> < ?php// http://wordpress.stackexchange.com/questions/14652/how-to-show-a-hierarchical-terms-list#answer-14658if ( ! empty( $search_labels[$i] ) ) {$search_label_location = $search_labels[$i]; } else {$search_label_location = esc_html__( 'Any Location', 'realty' ); }?> < select name="< ?php echo $search_parameter; ?> " id="< ?php echo $search_parameter; ?> " class="< ?php echo esc_attr( $form_select_class ); ?> "> < option value="http://www.srcmini.com/all"> < ?php echo $search_label_location; ?> < /option> < ?php$location = get_terms('property-location', array('orderby' => 'slug', 'parent' => 0, 'hide_empty' => false) ); if ( isset( $_GET[$search_parameter] ) ) {$get_location = $_GET[$search_parameter]; } else {$get_location = null; }?> < ?php foreach ( $location as $key => $location ) : ?> < option value="http://www.srcmini.com/< ?php echo $location-> slug; ?>" < ?php selected( $location-> slug, $get_location ); ?> > < ?phpecho $location-> name; $location2 = get_terms( 'property-location', array('orderby' => 'slug', 'parent' => $location-> term_id) ); if ( $location2 ) :?> < optgroup> < ?php foreach( $location2 as $key => $location2 ) : ?> < option value="http://www.srcmini.com/< ?php echo $location2-> slug; ?>" class="level2" < ?php selected( $location2-> slug, $get_location ); ?> > < ?phpecho $location2-> name; $location3 = get_terms( 'property-location', array('orderby' => 'slug', 'parent' => $location2-> term_id) ); if ( $location3 ) :?> < optgroup> < ?php foreach( $location3 as $key => $location3 ) : ?> < option value="http://www.srcmini.com/< ?php echo $location3-> slug; ?>" class="level3" < ?php selected( $location3-> slug, $get_location ); ?> > < ?phpecho $location3-> name; $location4 = get_terms( 'property-location', array( 'orderby' => 'slug', 'parent' => $location3-> term_id ) ); if( $location4 ) :?> < optgroup> < ?php foreach( $location4 as $key => $location4 ) : ?> < option value="http://www.srcmini.com/< ?php echo $location4-> slug; ?>" class="level4" < ?php selected( $location4-> slug, $get_location ); ?> > < ?php echo $location4-> name; ?> < /option> < ?php endforeach; ?> < /optgroup> < ?php endif; ?> < /option> < ?php endforeach; ?> < /optgroup> < ?php endif; ?> < /option> < ?php endforeach; ?> < /optgroup> < ?php endif; ?> < /option> < ?php endforeach; ?> < /select> < /div>

#1有一行代码需要修改