wordpress函数get_post_custom_values()用法示例

get_post_custom_values( string $key = '',  int $post_id )

Retrieve values for a custom post field.

描述

The parameters must not be considered optional. All of the post meta fields will be retrieved and only the meta field key values returned.

参数

$key

(string)
(Optional)
Meta field key.

Default value: ''

$post_id

(int)
(Optional)
Post ID. Default is ID of the global $post.

返回值

(array|null) Meta field values.

源代码

File: wp-includes/post.php

function get_post_custom_values( $key = '', $post_id = 0 ) {
	if ( !$key )
		return null;

	$custom = get_post_custom($post_id);

	return isset($custom[$key]) ? $custom[$key] : null;
}

更新日志

相关函数

Uses

• wp-includes/post.php:
  get_post_custom()

Used By

• wp-includes/post-template.php:
  the_meta()

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   Contributed by Codex

   Default usage example.

   Let’s assume the current post has 3 values associated with the (custom) field my_key.

   You could show them through:

   
   $mykey_values = get_post_custom_values( 'my_key' );
   
   foreach ( $mykey_values as $key => $value ) {
   	echo "$key => $value ( 'my_key' )<br />"; 
   }
   

   The above example will output:

   
   0 => First value ( 'my_key' )
   1 => Second value ( 'my_key' )
   2 => Third value ( 'my_key' )