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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 |
|---|---|
| 1259 | |
| 1260 | if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] ) |
| 1261 | wp_die( __('Please try again!') ); |
| 1262 | |
| 1263 | return $result; |
| 1264 | } |
| 1265 | |
| 1266 | function maybe_redirect_404() { |
| 1267 | global $current_site; |
| 1268 | if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) { |
| 1269 | if ( $destination == '%siteurl%' ) |
| 1270 | $destination = network_home_url(); |
| 1271 | wp_redirect( $destination ); |
| 1272 | exit(); |
| 1273 | } |
| 1274 | } |
| 1275 | |
| 1276 | function maybe_add_existing_user_to_blog() { |
| 1277 | if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) ) |