links_add_base_url() WordPress Function
The links_add_base_url() function in WordPress allows you to add a base URL to relative links in your content. This can be useful if you move your WordPress site to a new domain or subdomain, as it ensures that all links in your content will continue to work.
links_add_base_url( string $content, string $base, array $attrs = array('src', 'href') ) #
Adds a base URL to relative links in passed content.
Description
By default it supports the ‘src’ and ‘href’ attributes. However this can be changed via the 3rd param.
Parameters
- $content
(string)(Required)String to search for links in.
- $base
(string)(Required)The base URL to prefix to links.
- $attrs
(array)(Optional)The attributes which should be processed.
Default value: array('src', 'href')
Return
(string) The processed content.
Source
File: wp-includes/formatting.php
function links_add_base_url( $content, $base, $attrs = array( 'src', 'href' ) ) {
global $_links_add_base;
$_links_add_base = $base;
$attrs = implode( '|', (array) $attrs );
return preg_replace_callback( "!($attrs)=(['\"])(.+?)\\2!i", '_links_add_base', $content );
}
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Changelog
| Version | Description |
|---|---|
| 2.7.0 | Introduced. |