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WP_Customize_Manager::add_panel( WP_Customize_Panel|string $id, array $args = array() ): WP_Customize_Panel

Since
4.0.0, 4.5.0
Source
wp-includes/class-wp-customize-manager.php:3901
Adds a customize panel.

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

$idWP_Customize_Panel|string
Customize Panel object, or ID.
$argsarrayoptional
Array of properties for the new Panel object.
See WP_Customize_Panel::__construct() for information on accepted arguments. Default empty array.Default: array()

Return value

WP_Customize_Panel
The instance of the panel that was added.

Performance profile

How much work a call to WP_Customize_Manager::add_panel() 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
11–16

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 18.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
1

1 place in core call this, so the cost is paid more often than your own code shows.

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_Manager::add_panel() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
always11–16none

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 18 instructions, 11–16 executed per call, 1 branch. The work does not change between versions.

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

Used by · 1

Source code

View on Trac View on GitHub 

	public function add_panel( $id, $args = array() ) {		if ( $id instanceof WP_Customize_Panel ) {			$panel = $id;		} else {			$panel = new WP_Customize_Panel( $this, $id, $args );		} 		$this->panels[ $panel->id ] = $panel;		return $panel;	}

Changelog

Introduced in 4.0.0. 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.

4.5.0
Return added WP_Customize_Panel instance.from the docblock
4.0.0
Introduced.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 7.0.4 tag, from src/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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