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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 |
|---|---|
| 294 | <?php |
| 295 | do_action( 'signup_finished' ); |
| 296 | } |
| 297 | |
| 298 | function signup_blog($user_name = '', $user_email = '', $blogname = '', $blog_title = '', $errors = '') { |
| 299 | if ( !is_wp_error($errors) ) |
| 300 | $errors = new WP_Error(); |
| 301 | |
| 302 | // allow definition of default variables |
| 303 | $filtered_results = apply_filters('signup_blog_init', array('user_name' => $user_name, 'user_email' => $user_email, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors )); |
| 304 | $user_name = $filtered_results['user_name']; |
| 305 | $user_email = $filtered_results['user_email']; |
| 306 | $blogname = $filtered_results['blogname']; |
| 307 | $blog_title = $filtered_results['blog_title']; |
| 308 | $errors = $filtered_results['errors']; |
| 309 | |
| 310 | if ( empty($blogname) ) |
| 311 | $blogname = $user_name; |
| 312 | ?> |