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WordPress

twentyfifteen_customize_register( WP_Customize_Manager $wp_customize )

Since
Twenty Fifteen 1.0
Source
wp-content/themes/twentyfifteen/inc/customizer.php:17
Adds postMessage support for site title and description for the Customizer.

Compatibility

WordPress
since Twenty Fifteen 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

$wp_customizeWP_Customize_Manager
Customizer object.

Performance profile

How much work a call to twentyfifteen_customize_register() 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
105–115

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 115.

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 · 2 distinct outcomes

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

WhenInstructionsCalls it makes
!isset($wp_customize)105twentyfifteen_get_color_scheme(), ->get_setting(), ->get_setting(), ->add_setting(), __(), twentyfifteen_get_color_scheme_choices(), label(), default(), __(), __(), label(), ->add_control(), ->remove_control(), default(), __(), __(), label(), ->add_control(), ->get_section(), __()
isset($wp_customize)115twentyfifteen_get_color_scheme(), ->get_setting(), ->get_setting(), ->add_partial(), ->add_partial(), ->add_setting(), __(), twentyfifteen_get_color_scheme_choices(), label(), default(), __(), __(), label(), ->add_control(), ->remove_control(), default(), __(), __(), label(), ->add_control(), ->get_section(), __()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 115 instructions, 105–115 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 · 4

Source code

function twentyfifteen_customize_register( $wp_customize ) {	$color_scheme = twentyfifteen_get_color_scheme(); 	$wp_customize->get_setting( 'blogname' )->transport        = 'postMessage';	$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage'; 	if ( isset( $wp_customize->selective_refresh ) ) {		$wp_customize->selective_refresh->add_partial(			'blogname',			array(				'selector'            => '.site-title a',				'container_inclusive' => false,				'render_callback'     => 'twentyfifteen_customize_partial_blogname',			)		);		$wp_customize->selective_refresh->add_partial(			'blogdescription',			array(				'selector'            => '.site-description',				'container_inclusive' => false,				'render_callback'     => 'twentyfifteen_customize_partial_blogdescription',			)		);	} 	// Add color scheme setting and control.	$wp_customize->add_setting(		'color_scheme',		array(			'default'           => 'default',			'sanitize_callback' => 'twentyfifteen_sanitize_color_scheme',			'transport'         => 'postMessage',		)	); 	$wp_customize->add_control(		'color_scheme',		array(			'label'    => __( 'Base Color Scheme', 'twentyfifteen' ),			'section'  => 'colors',			'type'     => 'select',			'choices'  => twentyfifteen_get_color_scheme_choices(),			'priority' => 1,		)	); 	// Add custom header and sidebar text color setting and control.	$wp_customize->add_setting(		'sidebar_textcolor',		array(			'default'           => $color_scheme[4],			'sanitize_callback' => 'sanitize_hex_color',			'transport'         => 'postMessage',		)	); 	$wp_customize->add_control(		new WP_Customize_Color_Control(			$wp_customize,			'sidebar_textcolor',			array(				'label'       => __( 'Header and Sidebar Text Color', 'twentyfifteen' ),				'description' => __( 'Applied to the header on small screens and the sidebar on wide screens.', 'twentyfifteen' ),				'section'     => 'colors',			)		)	); 	// Remove the core header textcolor control, as it shares the sidebar text color.	$wp_customize->remove_control( 'header_textcolor' ); 	// Add custom header and sidebar background color setting and control.	$wp_customize->add_setting(		'header_background_color',		array(			'default'           => $color_scheme[1],			'sanitize_callback' => 'sanitize_hex_color',			'transport'         => 'postMessage',		)	);

Changelog

Introduced in Twenty Fifteen 1.0. 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-content/themes/twentyfifteen/inc/customizer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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