WordPress: Function Reference/get post custom：修订间差异

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无编辑摘要
无编辑摘要
 
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== Description ==
==描述==
==描述==


Returns a multidimensional array with all custom fields of a particular post or page. See also [[WordPress:Function_Reference/get_post_custom_keys|get_post_custom_keys()]] and [[WordPress:Function_Reference/get_post_custom_values|get_post_custom_values()]]
返回一个多维数组，带有某篇文章的或者网页的所有自定义fields。也看看[[WordPress:Function_Reference/get_post_custom_keys|get_post_custom_keys()]] 和[[WordPress:Function_Reference/get_post_custom_values|get_post_custom_values()]]
返回一个多维数组，带有某篇文章的或者网页的所有自定义fields。也看看[[WordPress:Function_Reference/get_post_custom_keys|get_post_custom_keys()]] 和[[WordPress:Function_Reference/get_post_custom_values|get_post_custom_values()]]
== Usage ==


==用法==
==用法==


%%% <?php get_post_custom($post_id); ?> %%%
%%% <?php get_post_custom($post_id); ?> %%%
%%% <?php get_post_custom($post_id); ?> %%%
== Examples ==
=== Default Usage ===


==例子==
==例子==
===默认用法===
===默认用法===
Use the following example to set a variable (<tt>$custom_fields</tt>) as a multidimensional array containing all custom fields of the current post.
<?php $custom_fields = get_post_custom(); ?>


使用下面的例子，设置一个变数(<tt>$custom_fields</tt>)作为多维数组，包含当前文章所有的自定义field。
使用下面的例子，设置一个变数(<tt>$custom_fields</tt>)作为多维数组，包含当前文章所有的自定义field。
<?php $custom_fields = get_post_custom(); ?>
<?php $custom_fields = get_post_custom(); ?>


=== Retrieving data from the array ===
=== 检索数组中的数据 ===
 
=== 得到数组中的数据 ===
 
The following example will retrieve all custom field values with the key ''my_custom_field'' from the post with the ID ''72'' (assuming there are three custom fields with this key, and the values are "dogs", "47" and "This is another value").


下面的例子会返回ID是''72''的文章，关键字为''my_custom_field''的所有自定义field参数值（既然这个关键词拥有三个自定义field，参数值分别是"狗""47"和 "这是另一个参数值"）。
下面的例子会检索ID是''72''的文章，关键字为''my_custom_field''的所有自定义field参数值（既然这个关键词拥有三个自定义field，参数值分别是"狗""47"和 "这是另一个参数值"）。


<pre><?php
<pre><?php
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2 => This is another value
2 => This is another value
</div>
</div>
<pre><?php
  $custom_fields = get_post_custom();
  $my_custom_field = $custom_fields['my_custom_field'];
  foreach ( $my_custom_field as $key => $value )
    echo $key . " => " . $value . "<br />";
?>
</pre>
<div style="border:1px solid blue; width:50%; margin: 20px; padding:20px">
0 =>狗<br/>
1 => 47<br/>
2 => 这是另一个参数值
</div>
== Parameters ==


==参数==
==参数==


{{Parameter|$post_id|integer|The post ID whose custom fields will be retrieved.|optional|Current post}}


{{Parameter|$post_id|integer|The post ID whose custom fields will be retrieved.|optional|当前文章}}
{{Parameter|$post_id|integer|The post ID whose custom fields will be retrieved.|optional|当前文章}}
== Related ==


==相关的==
==相关的==
[[WordPress:Function Reference/add post meta|add_post_meta()]], [[WordPress:Function Reference/delete post meta|delete_post_meta()]], [[WordPress:Function Reference/get post meta|get_post_meta()]], [[WordPress:Function Reference/update post meta|update_post_meta()]], [[WordPress:Function Reference/get post custom values|get_post_custom_values()]], [[WordPress:Function Reference/get post custom keys|get_post_custom_keys()]]


[[WordPress:Function Reference/add post meta|add_post_meta()]], [[WordPress:Function Reference/delete post meta|delete_post_meta()]], [[WordPress:Function Reference/get post meta|get_post_meta()]], [[WordPress:Function Reference/update post meta|update_post_meta()]], [[WordPress:Function Reference/get post custom values|get_post_custom_values()]], [[WordPress:Function Reference/get post custom keys|get_post_custom_keys()]]
[[WordPress:Function Reference/add post meta|add_post_meta()]], [[WordPress:Function Reference/delete post meta|delete_post_meta()]], [[WordPress:Function Reference/get post meta|get_post_meta()]], [[WordPress:Function Reference/update post meta|update_post_meta()]], [[WordPress:Function Reference/get post custom values|get_post_custom_values()]], [[WordPress:Function Reference/get post custom keys|get_post_custom_keys()]]

2008年7月23日 (三) 14:02的最新版本

描述[ ]

返回一个多维数组，带有某篇文章的或者网页的所有自定义fields。也看看get_post_custom_keys() 和get_post_custom_values()

用法[ ]

%%% <?php get_post_custom($post_id); ?> %%%

例子[ ]

默认用法[ ]

使用下面的例子，设置一个变数($custom_fields)作为多维数组，包含当前文章所有的自定义field。 <?php $custom_fields = get_post_custom(); ?>

检索数组中的数据[ ]

下面的例子会检索ID是72的文章，关键字为my_custom_field的所有自定义field参数值（既然这个关键词拥有三个自定义field，参数值分别是"狗""47"和 "这是另一个参数值"）。 

<?php

  $custom_fields = get_post_custom();
  $my_custom_field = $custom_fields['my_custom_field'];
  foreach ( $my_custom_field as $key => $value )
    echo $key . " => " . $value . "<br />";

?>

0 => dogs
1 => 47
2 => This is another value

参数[ ]

相关的[ ]

add_post_meta(), delete_post_meta(), get_post_meta(), update_post_meta(), get_post_custom_values(), get_post_custom_keys()

取自“https://www.zzbaike.com/wiki/index.php?title=WordPress:Function_Reference/get_post_custom&oldid=6709”