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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.

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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

Version 描述
1.2.0 Introduced.

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' )
    

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