<?php
function hhs_get_sample_options() {
$options = array (
'Option 1' => 'option1',
'Option 2' => 'option2',
'Option 3' => 'option3',
'Option 4' => 'option4',
);
return $options;
}
add_action('admin_init', 'hhs_add_meta_boxes', 1);
function hhs_add_meta_boxes() {
add_meta_box( 'repeatable-fields', 'Repeatable Fields', 'hhs_repeatable_meta_box_display', 'post', 'normal', 'default');
}
function hhs_repeatable_meta_box_display() {
global $post;
$repeatable_fields = get_post_meta($post->ID, 'repeatable_fields', true);
$options = hhs_get_sample_options();
wp_nonce_field( 'hhs_repeatable_meta_box_nonce', 'hhs_repeatable_meta_box_nonce' );
?>
<script type="text/javascript">
jQuery(document).ready(function( $ ){
$( '#add-row' ).on('click', function() {
var row = $( '.empty-row.screen-reader-text' ).clone(true);
row.removeClass( 'empty-row screen-reader-text' );
row.insertBefore( '#repeatable-fieldset-one tbody>tr:last' );
return false;
});
$( '.remove-row' ).on('click', function() {
$(this).parents('tr').remove();
return false;
});
});
</script>
<table id="repeatable-fieldset-one" width="100%">
<thead>
<tr>
<th width="40%">Name</th>
<th width="12%">Select</th>
<th width="40%">URL</th>
<th width="8%"></th>
</tr>
</thead>
<tbody>
<?php
if ( $repeatable_fields ) :
foreach ( $repeatable_fields as $field ) {
?>
<tr>
<td><input type="text" class="widefat" name="name[]" value="<?php if($field['name'] != '') echo esc_attr( $field['name'] ); ?>" /></td>
<td>
<select name="select[]">
<?php foreach ( $options as $label => $value ) : ?>
<option value="<?php echo $value; ?>"<?php selected( $field['select'], $value ); ?>><?php echo $label; ?></option>
<?php endforeach; ?>
</select>
</td>
<td><input type="text" class="widefat" name="url[]" value="<?php if ($field['url'] != '') echo esc_attr( $field['url'] ); else echo 'http://'; ?>" /></td>
<td><a class="button remove-row" href="#">Remove</a></td>
</tr>
<?php
}
else :
// show a blank one
?>
<tr>
<td><input type="text" class="widefat" name="name[]" /></td>
<td>
<select name="select[]">
<?php foreach ( $options as $label => $value ) : ?>
<option value="<?php echo $value; ?>"><?php echo $label; ?></option>
<?php endforeach; ?>
</select>
</td>
<td><input type="text" class="widefat" name="url[]" value="http://" /></td>
<td><a class="button remove-row" href="#">Remove</a></td>
</tr>
<?php endif; ?>
<!-- empty hidden one for jQuery -->
<tr class="empty-row screen-reader-text">
<td><input type="text" class="widefat" name="name[]" /></td>
<td>
<select name="select[]">
<?php foreach ( $options as $label => $value ) : ?>
<option value="<?php echo $value; ?>"><?php echo $label; ?></option>
<?php endforeach; ?>
</select>
</td>
<td><input type="text" class="widefat" name="url[]" value="http://" /></td>
<td><a class="button remove-row" href="#">Remove</a></td>
</tr>
</tbody>
</table>
<p><a id="add-row" class="button" href="#">Add another</a></p>
<?php
}
add_action('save_post', 'hhs_repeatable_meta_box_save');
function hhs_repeatable_meta_box_save($post_id) {
if ( ! isset( $_POST['hhs_repeatable_meta_box_nonce'] ) ||
! wp_verify_nonce( $_POST['hhs_repeatable_meta_box_nonce'], 'hhs_repeatable_meta_box_nonce' ) )
return;
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)
return;
if (!current_user_can('edit_post', $post_id))
return;
$old = get_post_meta($post_id, 'repeatable_fields', true);
$new = array();
$options = hhs_get_sample_options();
$names = $_POST['name'];
$selects = $_POST['select'];
$urls = $_POST['url'];
$count = count( $names );
for ( $i = 0; $i < $count; $i++ ) {
if ( $names[$i] != '' ) :
$new[$i]['name'] = stripslashes( strip_tags( $names[$i] ) );
if ( in_array( $selects[$i], $options ) )
$new[$i]['select'] = $selects[$i];
else
$new[$i]['select'] = '';
if ( $urls[$i] == 'http://' )
$new[$i]['url'] = '';
else
$new[$i]['url'] = stripslashes( $urls[$i] ); // and however you want to sanitize
endif;
}
if ( !empty( $new ) && $new != $old )
update_post_meta( $post_id, 'repeatable_fields', $new );
elseif ( empty($new) && $old )
delete_post_meta( $post_id, 'repeatable_fields', $old );
}
?>获取当前文章父级分类别名
Use the ID value returned by $category[0]->category_parent and pass it through get_term(). Example:
$category = get_the_category();
$category_parent_id = $category[0]->category_parent;
if ( $category_parent_id != 0 ) {
$category_parent = get_term( $category_parent_id, 'category' );
$css_slug = $category_parent->slug;
} else {
$css_slug = $category[0]->slug;
}自动获取序号
html:
<ul class="num">
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
</ul>js:
function addNum() {
var $items = $('.num').find('li').length;
for( var $i = 0; $i < $items; $i++) {
var a = $i + 1;
if(a<10){
$('.num').find('li').eq($i).find('span').html(a).prepend('0');}
else{
$('.num').find('li').eq($i).find('span').html(a);
}
}
}
$(function() {addNum();})获取最大高度
function ResizeAll() {
var $box = $('.works-box .item');
$box.css({
"height": "auto"
});
$box.height(Math.max.apply(null, $box.map(function () {
return $(this).height();
})));
}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 functioniframe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(){
$('.parentbox').find('iframe')[0].contentWindow.postMessage('{"event":"command","func":"' + 'playVideo' + '","args":""}', '*');
})
</script>添加经典样式编辑器
add_meta_box('metabox5','Gallary','box_callback',array(''),'normal');
function box_callback($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);相关文章查询方法
<div class="related-content">
<?php global $post; $tags = wp_get_post_terms( $post->ID, '$taxonomy' );
if ( $tags ) {
$first_tag = $tags[ 0 ]->term_id;
$args = array(
'post_type' => '$post-type',
'post__not_in' => array( $post->ID ),
'tax_query' => array(
array(
'taxonomy' => '$taxonomy',
'field' => 'term_id',
'terms' => $first_tag,
),
),
);
$my_query = new WP_Query( $args );
if ( $my_query->have_posts() ) {
while ( $my_query->have_posts() ): $my_query->the_post();?>
/* ================
Loop
===============*/
<?php endwhile;wp_reset_postdata();
}}
else {
echo '<p>* 暂无相关文章</p>';
}?>
</div>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>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');