twenty_twenty_one_nav_menu_social_icons( string $item_output, WP_Post $item, int $depth, stdClass $args ): string
- Since
- Twenty Twenty-One 1.0
- Source
wp-content/themes/twentytwentyone/inc/menu-functions.php:68
Compatibility
- WordPress
- since Twenty Twenty-One 1.0
- 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
$item_outputstring- The menu item's starting HTML output.
$itemWP_Post- Menu item data object.
$depthint- Depth of the menu. Used for padding.
$argsstdClass- An object of wp_nav_menu() arguments.
Return value
string- The menu item output with social icon.
Performance profile
How much work a call to twenty_twenty_one_nav_menu_social_icons() 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
- 8–21
- 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 21.
Nothing here hands control to plugin code.
Nothing in core calls this; the cost is only what you spend yourself.
What one call costs · 2 distinct outcomes
One number would be a lie: the work depends on which branch runs. These are every distinct cost twenty_twenty_one_nav_menu_social_icons() can have, taken from its control-flow graph on PHP 8.5.
| When | Instructions | Calls it makes |
|---|---|---|
| always | 8 | none |
| always | 17–21 | twenty_twenty_one_get_social_link_svg() |
Across PHP versions
| PHP | Compiled | Executed | Branches | Notes |
|---|---|---|---|---|
| 8.6-dev | 21 | 8–21 | 2 | |
| 8.5 | 21 | 8–21 | 2 | |
| 8.4 | 21 | 8–21 | 2 | 3 fewer instructions than PHP 8.3 |
| 8.3 | 24 | 8–24 | 2 | |
| 8.2 | 24 | 8–24 | 2 | |
| 8.1 | 24 | 8–24 | 2 | |
| 7.4 | 24 | 8–24 | 2 |
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 · 1
- twenty_twenty_one_get_social_link_svg()Detects the social network from a URL and returns the SVG code for its icon.
Source code
function twenty_twenty_one_nav_menu_social_icons( $item_output, $item, $depth, $args ) { // Change SVG icon inside social links menu if there is supported URL. if ( 'footer' === $args->theme_location ) { $svg = twenty_twenty_one_get_social_link_svg( $item->url, 24 ); if ( ! empty( $svg ) ) { $item_output = str_replace( $args->link_before, $svg, $item_output ); } } return $item_output;}Changelog
Introduced in Twenty Twenty-One 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
About this page
- Parsed data
- Generated from the wordpress-develop 7.1.0 tag, from
src/wp-content/themes/twentytwentyone/inc/menu-functions.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.