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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 |
|---|---|
| 253 | $GLOBALS['wp_widget_factory'] = new WP_Widget_Factory(); |
| 254 | |
| 255 | /** |
| 256 | * WordPress User Roles |
| 257 | * @global object $wp_roles |
| 258 | * @since 2.0.0 |
| 259 | */ |
| 260 | $GLOBALS['wp_roles'] = new WP_Roles(); |
| 261 | |
| 262 | do_action( 'setup_theme' ); |
| 263 | |
| 264 | // Define the template related constants. |
| 265 | wp_templating_constants( ); |
| 266 | |
| 267 | // Load the default text localization domain. |
| 268 | load_default_textdomain(); |
| 269 | |
| 270 | $locale = get_locale(); |
| 271 | $locale_file = WP_LANG_DIR . "/$locale.php"; |