admin – Page 5

July 10, 2019July 12, 2019

wordpress不同模板获取不同的meta信息

//META DESCRIPTION FUNCTION
function seometadescription(){
        global $post, $posts;
    if ( is_single() || is_page() ) : 
        $customDesc = 'meta_desc';
        if ( have_posts() ) : while ( have_posts() ) : the_post(); 
                $descriere = get_post_meta($post->ID, $customDesc, true);
            endwhile; 
        endif; 

    elseif( is_category() ):
        $descriere = category_description();
    elseif( is_front_page() ) : 
        $descriere = 'some words for front page description';
    endif; 
    $customMetaDesc = '<meta name="description" content="'.$descriere.'" />';
        echo $customMetaDesc;
}
// end meta desc function

May 20, 2019

iframe插入视频,点击按钮播放

<iframe src="https://www.youtube.com/embed/gc9oMqXZXGM?enablejsapi=1&version=3&playerapiid=ytplayer" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<script>
$('.button').on('click',function(){
$('.parentbox').find('iframe')[0].contentWindow.postMessage('{"event":"command","func":"' + 'playVideo' + '","args":""}', '*');
})
</script>

May 13, 2019May 13, 2019

添加经典样式编辑器

add_meta_box('metabox5','Gallary','box_callback',array(''),'normal');

function box_callback($post){
    wp_nonce_field('box5_nonceaction','box5_noncename');
   $value = get_post_meta( $post->ID, '_box5_value_key', true );
     wp_editor( htmlspecialchars_decode($value),  $editor_id, $settings = array(
       'quicktags'=> 0,
        'tinymce'=>0,
        'textarea_rows'=>4,
        'editor_class'=>"textareastyle"
)); }
$post_ID = $_POST['post_ID'];
$mydata = $_POST[ $editor_id];
update_post_meta($post_ID,'_box5_value_key',$mydata);

May 8, 2019December 16, 2019

判断滚动位置

function animateContent() {
        var $object = $("a,b,c");
       $object.each(function () {
        var $this = $(this);
        if ($this.length) {
            var $a = $(this).offset().top;
            var $b = $(window).scrollTop();
            var $c = $(window).height() * 0.75;
            var $d = $(window).height();
            var $selfHeight = $(this).height();
            if (($b > ($a - $c)) || ($b > ($a - $d + $selfHeight))) {
                $this.addClass("animate");
            }
        }
    });
    }

April 25, 2019

查询父级分类的子分类

<ul class="bigarea">
                <?php
               $terms = get_terms([
                   'taxonomy' => 'shop_area',
                   'hide_empty' => false,
                   'parent'=>0,
               ]);
   foreach( $terms as $term){?>
                    <li>
                        <figure>
                            <?php the_term_thumbnail($term ->term_id, 'post-thumbnail');?>
                            <figcaption>
                                <?php echo $term->name; ?>
                            </figcaption>
                        </figure>
                        <ul class="cityname">
                            <?php    
                             $taxonomy_name = 'shop_area';$termchildren = get_term_children( $term->term_id, $taxonomy_name );
                             foreach ( $termchildren as $child ) {
                                 $term = get_term_by( 'id', $child, $taxonomy_name );
                                 echo  '<li><a class="each-item" href="#'.$term->term_id.'">' . $term->name . '</a></li>';?>

                            <?php }?>
                        </ul>
                    </li>
                    <?php };?>
            </ul>

April 19, 2019December 4, 2019

WordPress自定义文章添加分类筛选

/*adding-a-taxonomy-filter-to-admin-list-for-a-custom-post-type*/
function todo_restrict_manage_posts() {
    global $typenow;
    $args=array( 'public' => true, '_builtin' => false,'name' => '' ); 
    $post_types = get_post_types($args);
    if ( in_array($typenow, $post_types) ) {
    $filters = get_object_taxonomies($typenow);
        foreach ($filters as $tax_slug) {
            $tax_obj = get_taxonomy($tax_slug);
            wp_dropdown_categories(array(
              'show_option_all' => __('Show All '.$tax_obj->label ),
                'taxonomy' => $tax_slug,
                'name' => $tax_obj->name,
                'orderby' => 'term_order',
                'selected' => $_GET[$tax_obj->query_var],
                'hierarchical' => $tax_obj->hierarchical,
                'show_count' => false,
                'hide_empty' => true
            ));
        }
    }
}
function todo_convert_restrict($query) {
    global $pagenow;
    global $typenow;
    if ($pagenow=='edit.php') {
        $filters = get_object_taxonomies($typenow);
        foreach ($filters as $tax_slug) {
            $var = &$query->query_vars[$tax_slug];
            if ( isset($var) ) {
                $term = get_term_by('id',$var,$tax_slug);
                $var = $term->slug;
            }
        }
    }
    return $query;
}
add_action( 'restrict_manage_posts', 'todo_restrict_manage_posts' );
add_filter('parse_query','todo_convert_restrict');


/*adding-metabox-filter-to-admin-list-for-a-custom-post-type*/
/*
**proavance used
*/
function wisdom_filter_tracked_plugins()
{
    global $typenow;
    $current_plugin = '';
    if (isset($_GET['slug'])) {
        $current_plugin = $_GET['slug'];
        $_GET['slug'] = "";
    }
    if ($typenow == 'products') {
        $args = array(
            'post_type' => 'product_labels',
            'posts_per_page' => -1,
            'orderby' => 'meta_value_num',
            'meta_key' => '_label_order_key',
            'order' => 'ASC',
            'tax_query' => array(
                array(
                    'taxonomy' => 'brands_category',
                    'field' => 'slug',
                    'terms' => 'products_brand',
                ),
            ),
        );
        $new_query = new WP_Query($args);
        if ($new_query->have_posts()) {
            ?>
            <select name="slug" id="slug">
                <option value="all" <?php selected('all', $current_plugin); ?>>All</option>
                <?php
                            while ($new_query->have_posts()) {
                                $new_query->the_post();
                                global $post;
                                $label_slug = get_post_meta($post->ID, '_label_slug_key', true);
                                ?>
                    <option value="<?php echo $label_slug; ?>" <?php selected($label_slug, $current_plugin); ?>>
                        <?php echo $label_slug; ?></option><?php
                                                                        }
                                                                    }
                                                                    ?>
            </select>
    <?php }
    }
function wisdom_sort_plugins_by_slug($query)
    {
        global $pagenow;
        // Get the post type
        $post_type = isset($_GET['post_type']) ? $_GET['post_type'] : '';
        if (is_admin() && $pagenow == 'edit.php' && $post_type == 'products' && isset($_GET['slug']) && $_GET['slug'] != 'all') {
            $query->query_vars['meta_key'] = '_brand_value_key';
            $query->query_vars['meta_value'] = $_GET['slug'];
            $query->query_vars['meta_compare'] = '=';
        }
        return $query;
    }
add_action('restrict_manage_posts', 'wisdom_filter_tracked_plugins'); 
add_filter('parse_query', 'wisdom_sort_plugins_by_slug');

January 4, 2019January 4, 2019

apply_filters()

apply_filters( string $tag, mixed $value );
创建过滤器。
$tag（字符串）（必须）过滤器的名字。
$value（混合）（必须）要过滤的值，如果没人过滤则直接返回这个值。

例：

<?php
echo apply_filters('the_content', '
');?>

December 26, 2018January 23, 2019

wordpress获取分类别名

function cat_slug(){
    $cat = get_query_var('cat');
$yourcat = get_category($cat);
return  $yourcat->slug;
}

$category = get_the_category(); echo ‘cat-‘.$category[0]->slug;

December 26, 2018December 26, 2018

category子父母模板

子模板与父级模板相同

function category_template($template){  
    $category = get_queried_object();  
    if($category->parent !='0'){  
        while($category->parent !='0'){  
            $category = get_category($category->parent);  
        }  
    }  
      
    $templates = array();  
  
    if ( $category ) {  
        $templates[] = "category-{$category->slug}.php";  
        $templates[] = "category-{$category->term_id}.php";  
    }  
    $templates[] = 'category.php';  
    return locate_template( $templates );  
}  
add_filter('category_template', 'category_template');

子模板与父级模板不同

function get_category_parent($parent)
{
global $cat;
$parent=get_category($cat);
if($parent->parent)return ture;
else
return false;
}

Author: admin

wordpress不同模板获取不同的meta信息

iframe插入视频,点击按钮播放

添加经典样式编辑器

判断滚动位置

相关文章查询方法

查询父级分类的子分类

WordPress自定义文章添加分类筛选

apply_filters()

wordpress获取分类别名

category子父母模板