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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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1524 |
|
1525 | /** |
1526 | * Filters the redirect fallback URL for when the provided redirect is not safe (local). |
1527 | * |
1528 | * @since 4.3.0 |
1529 | * |
1530 | * @param string $fallback_url The fallback URL to use by default. |
1531 | * @param int $status The HTTP response status code to use. |
1532 | */ |
1533 | $fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ); |
1534 |
|
1535 | $location = wp_validate_redirect( $location, $fallback_url ); |
1536 |
|
1537 | return wp_redirect( $location, $status, $x_redirect_by ); |
1538 | } |
1539 | endif; |
1540 |
|
1541 | if ( ! function_exists( 'wp_validate_redirect' ) ) : |
1542 | /** |