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WordPress

WP_Customize_Nav_Menus::customize_dynamic_partial_args( array|false $partial_args, string $partial_id ): array

Since
4.5.0
Source
wp-includes/class-wp-customize-nav-menus.php:1324
Filters arguments for dynamic nav_menu selective refresh partials.

Compatibility

WordPress
since 4.5.0
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

$partial_argsarray|false
Partial args.
$partial_idstring
Partial ID.

Return value

array
Partial args.

Performance profile

How much work a call to WP_Customize_Nav_Menus::customize_dynamic_partial_args() 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

Touches nothing outside its own arguments.

Scaling
Constant

No loop in the body: the same number of instructions runs whatever you pass in.

Instructions
5–21

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 21.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
0

Nothing in core calls this; the cost is only what you spend yourself.

What one call costs · 1 distinct outcome

One number would be a lie: the work depends on which branch runs. These are every distinct cost WP_Customize_Nav_Menus::customize_dynamic_partial_args() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
always5–21none

Across PHP versions

PHPCompiledExecutedBranchesNotes
8.6-dev215–212
8.5215–212
8.4215–2123 fewer instructions than PHP 8.3
8.3248–242
8.2248–242
8.1248–242
7.4248–242

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.

Source code

	public function customize_dynamic_partial_args( $partial_args, $partial_id ) { 		if ( preg_match( '/^nav_menu_instance\[[0-9a-f]{32}\]$/', $partial_id ) ) {			if ( false === $partial_args ) {				$partial_args = array();			}			$partial_args = array_merge(				$partial_args,				array(					'type'                => 'nav_menu_instance',					'render_callback'     => array( $this, 'render_nav_menu_partial' ),					'container_inclusive' => true,					'settings'            => array(), // Empty because the nav menu instance may relate to a menu or a location.					'capability'          => 'edit_theme_options',				)			);		} 		return $partial_args;	}

Changelog

Introduced in 4.5.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 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-includes/class-wp-customize-nav-menus.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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