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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 |
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16 | if ( dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) != get_settings('siteurl') ) |
17 | update_option('siteurl', dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) ); |
18 | } |
19 |
|
20 | switch($action) { |
21 |
|
22 | case 'logout': |
23 |
|
24 | wp_clearcookie(); |
25 | do_action('wp_logout'); |
26 | nocache_headers(); |
27 |
|
28 | $redirect_to = 'wp-login.php'; |
29 | if ( isset($_REQUEST['redirect_to']) ) |
30 | $redirect_to = $_REQUEST['redirect_to']; |
31 | |
32 | wp_redirect($redirect_to); |
33 | exit(); |
34 |
|