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Description

Given a blog's (subdomain or directory) name, retrieve it's id.

Usage

<code style="color: #000000"><span style="color: #0000BB"><?php get_id_from_blogname</span><span style="color: #007700">( </span><span style="color: #0000BB">$slug </span><span style="color: #007700">) </span><span style="color: #0000BB">?></span></code>

Parameters

$slug

(string) (required) The blog's slug

Default: None

Return Values

(integer) 

The blog id

(NULL) 

If there isn't a blog with the provided slug

Examples

Getting the the id of a blog by name ($slug)

$slug = 'first-site';
$id = get_id_from_blogname($slug);

Switching blogs based on the blogs name ($slug)

$slug = 'another-site';
$id = get_id_from_blogname($slug);
switch_to_blog($id);

// do great things

restore_current_blog();

Notes

Change Log

Since: 3.0.0

Source File

get_id_from_blogname() is located in wp-includes/ms-blogs.php

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