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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 |
|---|---|
| 369 | } |
| 370 | endif; |
| 371 | |
| 372 | // Cookie safe redirect. Works around IIS Set-Cookie bug. |
| 373 | // http://support.microsoft.com/kb/q176113/ |
| 374 | if ( !function_exists('wp_redirect') ) : |
| 375 | function wp_redirect($location, $status = 302) { |
| 376 | global $is_IIS; |
| 377 | |
| 378 | $location = apply_filters('wp_redirect', $location, $status); |
| 379 | |
| 380 | if ( !$location ) // allows the wp_redirect filter to cancel a redirect |
| 381 | return false; |
| 382 | |
| 383 | $location = wp_sanitize_redirect($location); |
| 384 | |
| 385 | if ( $is_IIS ) { |
| 386 | header("Refresh: 0;url=$location"); |
| 387 | } else { |