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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 |
|---|---|
| 362 | update_option('siteurl', dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) ); |
| 363 | } |
| 364 | |
| 365 | //Set a cookie now to see if they are supported by the browser. |
| 366 | setcookie(TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN); |
| 367 | if ( SITECOOKIEPATH != COOKIEPATH ) |
| 368 | setcookie(TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN); |
| 369 | |
| 370 | // allow plugins to override the default actions, and to add extra actions if they want |
| 371 | do_action('login_form_' . $action); |
| 372 | |
| 373 | $http_post = ('POST' == $_SERVER['REQUEST_METHOD']); |
| 374 | switch ($action) { |
| 375 | |
| 376 | case 'logout' : |
| 377 | check_admin_referer('log-out'); |
| 378 | wp_logout(); |
| 379 | |
| 380 | $redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : 'wp-login.php?loggedout=true'; |