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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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1246 |
|
1247 | /** |
1248 | * Filter the redirect fallback URL for when the provided redirect is not safe (local). |
1249 | * |
1250 | * @since 4.3.0 |
1251 | * |
1252 | * @param string $fallback_url The fallback URL to use by default. |
1253 | * @param int $status The redirect status. |
1254 | */ |
1255 | $location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) ); |
1256 |
|
1257 | wp_redirect($location, $status); |
1258 | } |
1259 | endif; |
1260 |
|
1261 | if ( !function_exists('wp_validate_redirect') ) : |
1262 | /** |
1263 | * Validates a URL for use in a redirect. |
1264 | * |