wordpress按文章编号检索某篇文章函数: wp_get_single_post()

Wordpress·知名老站

wordpress 按文章编号检索某篇文章。

$postid

（整数）（可选）文章编号

默认值: 0

$mode

(字符）（可选）如何返回结果。结果应为常量：OBJECT, ARRAY_N, or ARRAY_A

默认值：OBJECT

文章对象或数组，该对象或数组所包含的内容和信息应含有两个附加字段（或关键字）： ‘post_category’ 和 ‘tags_input’。

用法：get_post()
用法：wp_get_post_categories()
用法：wp_get_post_tags()

自1.1.0版本后

wp_get_single_post() is located in wp-includes/post.php.

/**
* Retrieve a single post, based on post ID.
*
* Has categories in 'post_category' property or key. Has tags in 'tags_input'
* property or key.
*
* @since 1.0.0
*
* @param int $postid Post ID.
* @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
* @return object|array Post object or array holding post contents and information
*/
function wp_get_single_post($postid = 0, $mode = OBJECT) {
$postid = (int) $postid;
$post = get_post($postid, $mode);
if (
( OBJECT == $mode && emptyempty( $post->ID ) ) ||
( OBJECT != $mode && emptyempty( $post['ID'] ) )
)
return ( OBJECT == $mode ? null : array() );
// Set categories and tags
if ( $mode == OBJECT ) {
$post->post_category = array();
if ( is_object_in_taxonomy($post->post_type, 'category') )
$post->post_category = wp_get_post_categories($postid);
$post->tags_input = array();
if ( is_object_in_taxonomy($post->post_type, 'post_tag') )
$post->tags_input = wp_get_post_tags($postid, array('fields' => 'names'));
} else {
$post['post_category'] = array();
if ( is_object_in_taxonomy($post['post_type'], 'category') )
$post['post_category'] = wp_get_post_categories($postid);
$post['tags_input'] = array();
if ( is_object_in_taxonomy($post['post_type'], 'post_tag') )
$post['tags_input'] = wp_get_post_tags($postid, array('fields' => 'names'));
}
return $post;
}