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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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1513 |
|
1514 | /** |
1515 | * Filters the redirect fallback URL for when the provided redirect is not safe (local). |
1516 | * |
1517 | * @since 4.3.0 |
1518 | * |
1519 | * @param string $fallback_url The fallback URL to use by default. |
1520 | * @param int $status The HTTP response status code to use. |
1521 | */ |
1522 | $location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) ); |
1523 |
|
1524 | return wp_redirect( $location, $status, $x_redirect_by ); |
1525 | } |
1526 | endif; |
1527 |
|
1528 | if ( ! function_exists( 'wp_validate_redirect' ) ) : |
1529 | /** |
1530 | * Validates a URL for use in a redirect. |
1531 | * |