希望有人可以提供帮助。
我正在构建一个目录,并使用ACF来填充一些数据。我正在努力为我的一个ACF组中选择的选项构建过滤器。该字段组称为“成员目录”,我专门针对的字段是:'wha_service_offered'。
此处有四个复选框值:
我使用了复选框,因为可以向会员申请多个选项。
我已经使用以下内容设置了functions.php:
// Filter Services
add_action('pre_get_posts', 'my_pre_get_posts');
function my_pre_get_posts( $query )
{
// validate
if( is_admin() )
{
return $query;
}
// allow the url to alter the query
// eg: http://www.website.com/members?wha_service_offered=installer
// eg: http://www.website.com/members?wha_service_offered=consultant
if( isset($_GET['wha_service_offered']) )
{
$query->set('meta_key', 'wha_service_offered');
$query->set('meta_value', $_GET['wha_service_offered']);
}
// always return
return $query;
}
在我的archive-members.php
中PHP
<div id="search-services">
<?php
$field = get_field_object('wha_service_offered');
$values = isset($_GET['wha_service_offered']) ? explode(',', $_GET['wha_service_offered']) : array();
?>
<ul>
<?php foreach( $field['choices'] as $choice_value => $choice_label ): ?>
<li>
<input type="checkbox" value="<?php echo $choice_value; ?>" <?php if( in_array($choice_value, $values) ): ?>checked="checked"<?php endif; ?> /> <?php echo $choice_label; ?></li>
</li>
<?php endforeach; ?>
</ul>
</div>
的javascript
<script type="text/javascript">
(function($) {
$('#search-services').on('change', 'input[type="checkbox"]', function(){
// vars
var $ul = $(this).closest('ul'),
vals = [];
$ul.find('input:checked').each(function(){
vals.push( $(this).val() );
});
vals = vals.join(",");
window.location.replace('<?php echo home_url('members'); ?>?wha_service_offered=' + vals);
console.log( vals );
});
})(jQuery);
</script>
使用过滤器时,它只返回一个空白页面。
如果有人能指出我犯了错误的地方,我将不胜感激。
感谢。
-
所以调试返回:
Declaration of Custom_Nav_Walker::start_el() should be compatible with
Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in
/Applications/MAMP/htdocs/website.com/wp-content/themes/wha/functions.php on line 169
Warning: Cannot modify header information - headers already sent by (output started at
/Applications/MAMP/htdocs/website.com/wp-content/themes/wha/functions.php:169) in
/Applications/MAMP/htdocs/website.com/wp-includes/pluggable.php on line 1179
违规项目是:
class Custom_Nav_Walker extends Walker_Nav_Menu {
function check_current($classes) {
return preg_match('/(current[-_])/', $classes);
}
function start_el(&$output, $item, $depth, $args) {
global $wp_query;
$indent = ($depth) ? str_repeat("\t", $depth) : '';
$slug = sanitize_title($item->title);
$id = apply_filters('nav_menu_item_id', 'menu-' . $slug, $item, $args);
$id = strlen($id) ? '' . esc_attr( $id ) . '' : '';
$class_names = $value = '';
$classes = empty($item->classes) ? array() : (array) $item->classes;
$classes = array_filter($classes, array(&$this, 'check_current'));
if ($custom_classes = get_post_meta($item->ID, '_menu_item_classes', true)) {
foreach ($custom_classes as $custom_class) {
$classes[] = $custom_class;
}
}
$class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
$class_names = $class_names ? ' class="' . $id . ' ' . esc_attr($class_names) . '"' : ' class="' . $id . '"';
$output .= $indent . '<li' . $class_names . '>';
$attributes = ! empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) .'"' : '';
$attributes .= ! empty($item->target) ? ' target="' . esc_attr($item->target ) .'"' : '';
$attributes .= ! empty($item->xfn) ? ' rel="' . esc_attr($item->xfn ) .'"' : '';
$attributes .= ! empty($item->url) ? ' href="' . esc_attr($item->url ) .'"' : '';
$item_output = $args->before;
$item_output .= '<a'. $attributes .'>';
$item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
$item_output .= '</a>';
$item_output .= $args->after;
$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
}
}
我不明白为什么步行者导航会影响过滤器?
-
通过修改以下内容纠正第169行错误:
function start_el(&$output, $item, $depth, $args) {
要
function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) {}
我现在有以下错误:
Notice: Undefined index: choices in /Applications/MAMP/htdocs/website.com/wp-content/themes/wha/archive-members.php on line 54
Warning: Invalid argument supplied for foreach() in /Applications/MAMP/htdocs/website.com/wp-content/themes/wha/archive-members.php on line 54
涉及到:
<?php foreach( $field['choices'] as $choice_value => $choice_label ): ?>