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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 |
|---|---|
| 169 | } |
| 170 | echo '</ul>'; |
| 171 | echo '<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, your site will return to normal.' ) . '</p>'; |
| 172 | dismissed_updates(); |
| 173 | |
| 174 | if ( current_user_can( 'update_plugins' ) ) |
| 175 | list_plugin_updates(); |
| 176 | if ( current_user_can( 'update_themes' ) ) |
| 177 | list_theme_updates(); |
| 178 | do_action('core_upgrade_preamble'); |
| 179 | echo '</div>'; |
| 180 | } |
| 181 | |
| 182 | function list_plugin_updates() { |
| 183 | global $wp_version; |
| 184 | |
| 185 | $cur_wp_version = preg_replace('/-.*$/', '', $wp_version); |
| 186 | |
| 187 | require_once(ABSPATH . 'wp-admin/includes/plugin-install.php'); |