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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 154 | |
| 155 | function signup_another_blog($blogname = '', $blog_title = '', $errors = '') { |
| 156 | global $current_user, $current_site; |
| 157 | |
| 158 | if ( ! is_wp_error($errors) ) { |
| 159 | $errors = new WP_Error(); |
| 160 | } |
| 161 | |
| 162 | // allow definition of default variables |
| 163 | $filtered_results = apply_filters('signup_another_blog_init', array('blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors )); |
| 164 | $blogname = $filtered_results['blogname']; |
| 165 | $blog_title = $filtered_results['blog_title']; |
| 166 | $errors = $filtered_results['errors']; |
| 167 | |
| 168 | echo '<h2>' . sprintf( __( 'Get <em>another</em> %s site in seconds' ), $current_site->site_name ) . '</h2>'; |
| 169 | |
| 170 | if ( $errors->get_error_code() ) { |
| 171 | echo '<p>' . __( 'There was a problem, please correct the form below and try again.' ) . '</p>'; |
| 172 | } |