get_site_url() WP 1.0
Retrieves the URL for a given site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
Returns the 'site_url' option with the appropriate protocol, 'https' if is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is overridden.
1 time = 0.000067s = very fast | 50000 times = 2.20s = fast
Return
String. Site URL link with optional path appended.
Usage
get_site_url( $blog_id, $path, $scheme );
- $blog_id(int)
- Site ID.
Default: null (current site)
- $path(string)
- Path relative to the site URL.
Default: ''
- $scheme(string)
- Scheme to give the site URL context. Accepts 'http', 'https', 'login', 'login_post', 'admin', or 'relative'.
Default: null
Changelog
Code of get_site_url() get site url
WP 5.6
<?php
function get_site_url( $blog_id = null, $path = '', $scheme = null ) {
if ( empty( $blog_id ) || ! is_multisite() ) {
$url = get_option( 'siteurl' );
} else {
switch_to_blog( $blog_id );
$url = get_option( 'siteurl' );
restore_current_blog();
}
$url = set_url_scheme( $url, $scheme );
if ( $path && is_string( $path ) ) {
$url .= '/' . ltrim( $path, '/' );
}
/**
* Filters the site URL.
*
* @since 2.7.0
*
* @param string $url The complete site URL including scheme and path.
* @param string $path Path relative to the site URL. Blank string if no path is specified.
* @param string|null $scheme Scheme to give the site URL context. Accepts 'http', 'https', 'login',
* 'login_post', 'admin', 'relative' or null.
* @param int|null $blog_id Site ID, or null for the current site.
*/
return apply_filters( 'site_url', $url, $path, $scheme, $blog_id );
}
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