创建了自定义帖子类型，现在我正在尝试创建自定义分类法。一旦我创建它并尝试使用get\\u terms（）访问它，我会得到一个错误non-object. Var\\u dump给了我一个空数组object(WP_Error)[1279]
public \'errors\' =>
array (size=1)
\'invalid_taxonomy\' =>
array (size=1)
0 => string \'Invalid taxonomy.\' (length=17)
public \'error_data\' =>
array (size=0)
empty
代码如下：
// Custom Post Type for Use Cases page slider
function create_post_type() {
register_post_type( \'use_cases\',
array(
\'labels\' => array(
\'name\' => __( \'Use Cases\' ),
\'singular_name\' => __( \'Use_Case\' )
),
\'public\' => true,
\'supports\' => array(\'title\', \'editor\', \'custom-fields\', \'thumbnail\'),
\'hierarchical\' => true,
\'has_archive\' => true
)
);
}
add_action( \'init\', \'create_post_type\' );
// Custom taxonomy for CPT
function custom_taxonomies() {
$labels = array(
\'name\' => \'Types\',
\'singular_name\' => \'Type\',
\'search_items\' => \'Search Types\',
\'all_items\' => \'All Types\',
\'parent_item\' => \'Parent Type\',
\'parent_item_colon\' => \'Parent Type:\',
\'edit_item\' => \'Edit Type\',
\'update_item\' => \'Update Type\',
\'add_new_item\' => \'Add New Custom Type\',
\'new_item_name\' => \'New Type Name\',
\'menu_name\' => \'Type\'
);
$args = array(
\'hierarchical\' => true,
\'labels\' => $labels,
\'show_ui\' => true,
\'show_admin_column\' => true,
\'query_var\' => true,
\'rewrite\' => array(\'slug\'=>\'type\')
);
register_taxonomy(\'type\', array(\'use_cases\'), $args);
}
add_action(\'init\', \'custom_taxonomies\');
// Shortcode for Use Cases caption
add_shortcode(\'Use_Case\', \'use_case_shortcode_query\');
function use_case_shortcode_query($atts, $content){
extract(shortcode_atts(array( // a few default values
\'posts_per_page\' => \'11\',
\'post_type\' => \'use_cases\',
)
, $atts));
global $post;
$posts = new WP_Query(array( // a few default values
\'posts_per_page\' => \'11\',
\'post_type\' => \'use_cases\'
));
//print_r($posts);
$output = \'\';
$out = \'\';
if ($posts->have_posts()):
while ($posts->have_posts()):
//echo var_dump($posts->the_post());
$posts->the_post();
/*$out .= \'<div class="use_case_boxes">
<h4>Name: <a href="\'.get_permalink().\'" title="\' . get_the_title() . \'">\'.get_the_title() .\'</a></h4>
<p class="Film_desc">\'.get_the_content().\'</p>\';
// add here more...*/
$out .= \'<a href=\'.get_post_meta($post->ID, "location", true).\'><div class="vce-row vce-element--has-background vce-row--col-gap-30 use_case_finance vce-row-equal-height vce-row-columns--top vce-row-content--top" id="el-6cc8dbe6" data-vce-do-apply="all el-6cc8dbe6"><div class="vce-content-background-container"></div><div class="vce-row-content" data-vce-element-content="true"><div class="vce-col vce-col--md-100p vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first" id="el-f4a5f49c" data-vce-do-apply="background el-f4a5f49c"><div class="vce-col-inner" data-vce-element-content="true" data-vce-do-apply="padding margin border el-f4a5f49c"><div class="vce-row-container"><div class="vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top" id="el-356c02e5" data-vce-do-apply="all el-356c02e5"><div class="vce-row-content" data-vce-element-content="true"><div class="vce-col vce-col--md-100p vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first" id="el-4c08b71e" data-vce-do-apply="background el-4c08b71e"><div class="vce-col-inner" data-vce-element-content="true" data-vce-do-apply="padding margin border el-4c08b71e"><div class="vce-row-container"><div class="vce-row vce-row--col-gap-30 vce-row-columns--top vce-row-content--top" id="el-86253324" data-vce-do-apply="all el-86253324"><div class="vce-row-content" data-vce-element-content="true"><div class="vce-col vce-col--md-100p vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first" id="el-a1c3851f" data-vce-do-apply="background el-a1c3851f"><div class="vce-col-inner" data-vce-element-content="true" data-vce-do-apply="padding margin border el-a1c3851f"><div class="vce-google-fonts-heading vce-google-fonts-heading--align-center vce-google-fonts-heading--color-b-72-72-72--45--5C00FF--FF7200"><div class="vce-google-fonts-heading-wrapper"><div class="vce-google-fonts-heading--background vce" id="el-5c7b806f" data-vce-do-apply="border background padding margin el-5c7b806f"><h2 class="vce-google-fonts-heading-inner" style="font-family: " open="" sans";="" font-weight:="" 400;"="">\'.get_the_title().\'</h2></div></div></div><div class="vce-single-image-container vce-single-image--align-center"><div class="vce vce-single-image-wrapper" id="el-9632dafd" data-vce-do-apply="all el-9632dafd"><figure><div class="vce-single-image-inner"><img class="vce-single-image" src="http://ai.crafts-world.com/wp-content/uploads/2018/02/Second-home-page-design-Recovered_03.png" data-img-src="http://ai.crafts-world.com/wp-content/uploads/2018/02/Second-home-page-design-Recovered_03.png" alt="" title="Second-home-page-design-Recovered_03"></div></figure></div></div><div class="vce-google-fonts-heading vce-google-fonts-heading--align-center vce-google-fonts-heading--color-empty--45--5C00FF--FF7200"><div class="vce-google-fonts-heading-wrapper"><div class="vce-google-fonts-heading--background vce" id="el-8f301bd3" data-vce-do-apply="border background padding margin el-8f301bd3"><div class="vce-google-fonts-heading-inner" style="font-family: " open="" sans";="" font-weight:="" 300;"="">\'.get_the_content().\'</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></a></a>\';
$out .=\'</div>\';
/* these arguments will be available from inside $content
get_permalink()
get_the_content()
get_the_category_list(\', \')
get_the_title()
and custom fields
get_post_meta($post->ID, \'field_name\', true);
*/
endwhile;
else:
return; // no posts found
endif;
wp_reset_query();
return html_entity_decode($out);
}
add_filter(\'acf/settings/remove_wp_meta_box\', \'__return_false\');
// Add metabox for Use Cases CPT to display URL of each box.
function add_event_metaboxes() {
add_meta_box(
\'use_case_metabox\',
\'URL for Use Case Box\',
\'wpt_events_location\',
\'use_cases\',
\'side\',
\'default\'
);
}
add_action( \'add_meta_boxes\', \'add_event_metaboxes\' );
/**
* Output the HTML for the metabox.
*/
function wpt_events_location() {
global $post;
// Nonce field to validate form request came from current site
wp_nonce_field( basename( __FILE__ ), \'event_fields\' );
// Get the location data if it\'s already been entered
$location = get_post_meta( $post->ID, \'location\', true );
// Output the field
echo \'<input type="text" name="location" value="\' . esc_textarea( $location ) . \'" class="widefat">\';
}
/**
* Save the metabox data
*/
function wpt_save_events_meta( $post_id, $post ) {
// Return if the user doesn\'t have edit permissions.
if ( ! current_user_can( \'edit_post\', $post_id ) ) {
return $post_id;
}
// Verify this came from the our screen and with proper authorization,
// because save_post can be triggered at other times.
if ( ! isset( $_POST[\'location\'] ) || ! wp_verify_nonce( $_POST[\'event_fields\'], basename(__FILE__) ) ) {
return $post_id;
}
// Now that we\'re authenticated, time to save the data.
// This sanitizes the data from the field and saves it into an array $events_meta.
$events_meta[\'location\'] = esc_textarea( $_POST[\'location\'] );
// Cycle through the $events_meta array.
// Note, in this example we just have one item, but this is helpful if you have multiple.
foreach ( $events_meta as $key => $value ) :
// Don\'t store custom data twice
if ( \'revision\' === $post->post_type ) {
return;
}
if ( get_post_meta( $post_id, $key, false ) ) {
// If the custom field already has a value, update it.
update_post_meta( $post_id, $key, $value );
} else {
// If the custom field doesn\'t have a value, add it.
add_post_meta( $post_id, $key, $value);
}
if ( ! $value ) {
// Delete the meta key if there\'s no value
delete_post_meta( $post_id, $key );
}
endforeach;
}
add_action( \'save_post\', \'wpt_save_events_meta\', 1, 2 );
?>
<ul class="nav nav-tabs nav-justified">
<li class="active">
<a data-toggle="tab" href="#all">All</a>
</li>
<?php foreach($use_case_categories as $use_case_category) { ?>
<li>
<a href="#<?php echo $use_case_category->slug ?>" data-toggle="tab"><?php echo $use_case_category->name ?></a>
</li>
<?php } ?>
</ul>
<div class="tab-pane active" id="all">
<?php
$args = array(
\'post_type\' => \'use_cases\',
\'posts_per_page\' -1,
\'orderby\' => \'title\',
\'order\' => \'ASC\'
);
$all_films = new WP_Query( $args );
?>
<?php if ( $all_films->have_posts() ) : // make sure we have films to show before doing anything?>
<div class="table-responsive">
<table class="table">
<?php while ( $all_films->have_posts() ) : $all_films->the_post(); ?>
<tr>
<td><?php the_post_thumbnail() ?></td>
<td><h3><?php the_title() ?></h3</td>
<td>
<p class="lead"><?php the_excerpt() ?></p>
<a href="<?php the_permalink() ?>" class="btn btn-primary">Read more</a>
</td>
</tr>
<?php endwhile; ?>
<?php wp_reset_query() ?>
</table>
</div>
<?php endif; ?>
</div><!-- all films tab pane -->
<?php foreach($use_case_categories as $use_case_category) { ?>
<div class="tab-pane" id="<?php echo $use_case_category->slug ?>">
<?php
$args = array(
\'post_type\' => \'use_cases\',
\'posts_per_page\' -1,
\'orderby\' => \'title\',
\'order\' => \'ASC\',
\'tax_query\' => array(
array(
\'taxonomy\' => \'category\',
\'field\' => \'slug\',
\'terms\' => $use_case_category->slug
)
)
);
$films = new WP_Query( $args );
?>
<?php if ( $films->have_posts() ) : // make sure we have films to show before doing anything?>
<table class="table">
<?php while ( $films->have_posts() ) : $films->the_post(); ?>
<tr>
<td><?php the_post_thumbnail() ?></td>
<td><h3><?php the_title() ?></h3</td>
<td>
<p class="lead"><?php the_excerpt() ?></p>
<a href="<?php the_permalink() ?>" class="btn btn-primary">Read more</a>
</td>
</tr>
<?php endwhile; ?>
<?php wp_reset_query() ?>
</table>
<?php endif; ?>
</div>
