add_site_option() - WordPress 函数参考中文文档

返回介绍

add_site_option()

发布于 2017-09-10 字数2541 浏览 947 评论 0

add_site_option( string $option,  mixed $value )

Add a new option for the current network.


描述

Existing options will not be updated. Note that prior to 3.3 this wasn’t the case.


参数

$option

(string)
(Required)
Name of option to add. Expected to not be SQL-escaped.

$value

(mixed)
(Required)
Option value, can be anything. Expected to not be SQL-escaped.


返回值

(bool) False if the option was not added. True if the option was added.


源代码

File: wp-includes/option.php

function add_site_option( $option, $value ) {
	return add_network_option( null, $option, $value );
}

更新日志

Version 描述
4.4.0 Modified into wrapper for add_network_option()
2.8.0 Introduced.

相关函数

Uses

  • wp-includes/option.php:
    add_network_option()

Used By

  • wp-includes/option.php:
    set_site_transient()
  • wp-includes/ms-functions.php:
    wpmu_validate_user_signup()
  • wp-includes/ms-functions.php:
    wpmu_validate_blog_signup()

User Contributed Notes

  1. Skip to note content

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    Contributed by Codex

    Examples

    Default usage:

    
    add_site_option( 'my_option', 'my_value' );
    

    Behavior if the option already exists:

    
    echo get_site_option( 'i_exist_already' );
    
    // Output: 'some_value'
    
    
    if ( add_site_option( 'i_exist_already', 'new_value' ) ) {
       echo get_site_option( 'i_exist_already' );
    } else {
       echo __( 'Already exists', 'textdomain' );
    }
    
  2. Parameter $value is listed as optional. It is not optional; it is required.

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