wpmu_admin_do_redirect( string $url = '' ): never
- Since
- MU (3.0.0)
- Source
wp-includes/ms-deprecated.php:275
Redirect a user based on $_GET or $_POST arguments.
Description
The function looks for redirect arguments in the following order:
- $_GET['ref']
- $_POST['ref']
- $_SERVER['HTTP_REFERER']
- $_GET['redirect']
- $_POST['redirect']
- $url
Compatibility
Deprecated in WordPress 3.3.0. Use wp_redirect()
- WordPress
- since MU (3.0.0)
- PHP
- 7.4–8.6-dev
- 6.7.7
- 6.8.8
- 6.9.7
- 7.0.4
- 7.1.0
Present in every tracked release (6.7.7 to 7.1.0), and compiles on PHP 7.4 through 8.6-dev.
Parameters
$urlstringoptional- Redirect URL. Default empty.Default:
''
Return value
never
Performance profile
How much work a call to wpmu_admin_do_redirect() does, and what it touches: the algorithmic scaling, the Zend instruction count per call across PHP versions, the hooks it hands control to, and the core code that calls it. Measured from the compiled opcodes, not a stopwatch, so every number is identical on any machine running the same PHP version, and every function in core is ranked by cost.
- Cost class
- Trivial
- Scaling
- Constant
- Instructions
- 39–90
- Plugin surface
- None
- Called by
- 0
Touches nothing outside its own arguments.
No loop in the body: the same number of instructions runs whatever you pass in.
Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 125.
Nothing here hands control to plugin code.
Nothing in core calls this; the cost is only what you spend yourself.
What it touches
- hookthird-party callbacks
do_action()one call below wpmu_admin_do_redirect()
Further down the call graph this can also reach option, cache, serialize, query and transient. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.
What one call costs · 32 distinct outcomes
One number would be a lie: the work depends on which branch runs. These are every distinct cost wpmu_admin_do_redirect() can have, taken from its control-flow graph on PHP 8.5.
| When | Instructions | Calls it makes |
|---|---|---|
empty($value) | 39–61 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) | 46–67 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
!empty($value) | 47–69 | _deprecated_function(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) | 48–70 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) && isset($value) | 49–70 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
empty($value) && isset($value) | 54–66 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
!empty($value) | 54–75 | _deprecated_function(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
isset($value) && empty($value) | 54–64 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) | 55–76 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
!empty($value) | 56–78 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
!empty($value) && isset($value) | 57–78 | _deprecated_function(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
empty($value) && isset($value) | 58–79 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
20 further outcomes, up to 86 instructions
empty($value) | 61–70 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
!empty($value) && isset($value) | 62–74 | _deprecated_function(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
isset($value) && !empty($value) | 62–72 | _deprecated_function(), __(), __(), wp_die(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) && isset($value) | 63–75 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
!empty($value) | 63–84 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
isset($value) && empty($value) | 63–73 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
isset($value) && empty($value) | 64–73 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
!empty($value) && isset($value) | 66–87 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
isset($value) && empty($value) | 69 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
!empty($value) | 69–78 | _deprecated_function(), __(), __(), wp_die(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
empty($value) | 70–79 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
!empty($value) && isset($value) | 71–83 | _deprecated_function(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
isset($value) && !empty($value) | 71–81 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
isset($value) && !empty($value) | 72–81 | _deprecated_function(), __(), __(), wp_die(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
isset($value) && empty($value) | 73–82 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
isset($value) && !empty($value) | 77 | _deprecated_function(), __(), __(), wp_die(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
isset($value) && empty($value) | 78 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
!empty($value) | 78–87 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit() |
isset($value) && !empty($value) | 81–90 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), esc_html(), wp_redirect(), exit() |
isset($value) && !empty($value) | 86 | _deprecated_function(), __(), __(), wp_die(), wpmu_admin_redirect_add_updated_param(), wp_redirect(), exit(), wp_redirect(), exit(), wpmu_admin_redirect_add_updated_param(), __(), __(), wp_die(), wp_redirect(), exit() |
Across PHP versions
| PHP | Compiled | Executed | Branches | Notes |
|---|---|---|---|---|
| 8.6-dev | 125 | 39–90 | 13 | |
| 8.5 | 125 | 39–90 | 13 | |
| 8.4 | 125 | 39–90 | 13 | 2 fewer instructions than PHP 8.3 |
| 8.3 | 127 | 25–77 | 13 | |
| 8.2 | 127 | 25–77 | 13 | |
| 8.1 | 127 | 25–77 | 13 | 1 fewer instruction than PHP 7.4 |
| 7.4 | 128 | 25–78 | 13 |
An instruction is not a fixed amount of time, so a matching count is not necessarily the same speed; what it rules out is a difference in the work itself.
Uses · 7
- _deprecated_function()Marks a function as deprecated and inform when it has been used.
- wp_die()Kills WordPress execution and displays HTML page with an error message.
- __()Retrieves the translation of $text.
- wpmu_admin_redirect_add_updated_param()Adds an 'updated=true' argument to a URL.
- wp_redirect()Redirects to another page.
- str_starts_with()Polyfill for `str_starts_with()` function added in PHP 8.0.
- esc_html()Escaping for HTML blocks.
Source code
function wpmu_admin_do_redirect( $url = '' ) { _deprecated_function( __FUNCTION__, '3.3.0', 'wp_redirect()' ); $ref = ''; if ( isset( $_GET['ref'] ) && isset( $_POST['ref'] ) && $_GET['ref'] !== $_POST['ref'] ) { wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 ); } elseif ( isset( $_POST['ref'] ) ) { $ref = $_POST['ref']; } elseif ( isset( $_GET['ref'] ) ) { $ref = $_GET['ref']; } if ( $ref ) { $ref = wpmu_admin_redirect_add_updated_param( $ref ); wp_redirect( $ref ); exit; } if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) { wp_redirect( $_SERVER['HTTP_REFERER'] ); exit; } $url = wpmu_admin_redirect_add_updated_param( $url ); if ( isset( $_GET['redirect'] ) && isset( $_POST['redirect'] ) && $_GET['redirect'] !== $_POST['redirect'] ) { wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 ); } elseif ( isset( $_GET['redirect'] ) ) { if ( str_starts_with( $_GET['redirect'], 's_' ) ) $url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) ); } elseif ( isset( $_POST['redirect'] ) ) { $url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] ); } wp_redirect( $url ); exit;}Changelog
Introduced in MU (3.0.0). One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
7.1.0
Return type changed from
none to never.verified against source3.3.0
Deprecated. Use wp_redirect()from the docblock
MU (3.0.0)
MU (3.0.0)from the docblock
About this page
- Parsed data
- Generated from the wordpress-develop 7.1.0 tag, from
src/wp-includes/ms-deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it. - Corrections
- Something wrong on this page? Report it and it gets fixed in the next regeneration.