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Understanding Source Code

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Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

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Line Code
3016       *
3017       * @since 3.0.0
3018       *
3019       * @param string      $url         The complete home URL including scheme and path.
3020       * @param string      $path        Path relative to the home URL. Blank string if no path is specified.
3021       * @param string|null $orig_scheme Scheme to give the home URL context. Accepts 'http', 'https',
3022       *                                 'relative', 'rest', or null.
3023       * @param int|null    $blog_id     Site ID, or null for the current site.
3024       */
3025      return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id );
3026 }
3028 /**
3029  * Retrieves the URL for the current site where WordPress application files
3030  * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
3031  *
3032  * Returns the 'site_url' option with the appropriate protocol, 'https' if
3033  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
3034  * overridden.