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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 |
---|---|
162 | } |
163 | echo '</ul>'; |
164 | 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>'; |
165 | dismissed_updates(); |
166 |
|
167 | if ( current_user_can( 'update_plugins' ) ) |
168 | list_plugin_updates(); |
169 | if ( current_user_can( 'update_themes' ) ) |
170 | list_theme_updates(); |
171 | do_action('core_upgrade_preamble'); |
172 | echo '</div>'; |
173 | } |
174 |
|
175 | function list_plugin_updates() { |
176 | global $wp_version; |
177 |
|
178 | $cur_wp_version = preg_replace('/-.*$/', '', $wp_version); |
179 |
|
180 | require_once(ABSPATH . 'wp-admin/includes/plugin-install.php'); |