block_core_navigation_add_support_classes_to_container( string $block_content, array $block ): string

Description

Compatibility

Present in 1 of the 5 tracked releases, added in 7.1.0, and compiles on PHP 7.4 through 8.6-dev.

Parameters

$block_contentstring

The block content.

$blockarray

The full block, including name and attributes.

Return value

string

The updated block content.

Performance profile

How much work a call to block_core_navigation_add_support_classes_to_container() 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

Moderate

Only touches the object cache, via wp_cache_get().

Scaling

Scales with input

The body loops, so the work grows with what you pass in.

Instructions

7–117

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 202.

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 it touches

• cacheobject cachewp_cache_get()one call below block_core_navigation_add_support_classes_to_container()

Further down the call graph this can also reach hook. That is the worst case, several calls deep and usually down an error path, not what a normal call pays.

What one call costs · 40 distinct outcomes

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

This body has more branch combinations than are worth enumerating, so the table covers the outcomes found first rather than every one that exists.

Uses · 7

• wp_get_global_settings()Gets the settings resulting of merging core, theme, and user data.
• block_core_navigation_get_layout_custom_property_declarations()Returns the custom properties used by the Navigation block for a layout.
• wp_unique_id()Gets unique ID.
• wp_style_engine_get_stylesheet_from_css_rules()Returns compiled CSS from a collection of selectors and declarations.
• WP_Theme_JSON_Gutenberg::get_viewport_media_queries()
• WP_Theme_JSON::get_viewport_media_queries()Returns CSS media queries for responsive viewport style states.
• WP_HTML_Tag_Processor::__construct()Constructor.

Source code

View on Trac ↗View on GitHub ↗

1622function block_core_navigation_add_support_classes_to_container( $block_content, $block ) {1623	if ( 'core/navigation' !== ( $block['blockName'] ?? null ) || empty( $block_content ) ) {1624		return $block_content;1625	}1626 1627	$attributes = is_array( $block['attrs'] ?? null ) ? $block['attrs'] : array();1628	$style      = is_array( $attributes['style'] ?? null ) ? $attributes['style'] : array();1629	if (1630		defined( 'IS_GUTENBERG_PLUGIN' ) &&1631		IS_GUTENBERG_PLUGIN &&1632		function_exists( 'gutenberg_resolve_style_state_aliases' )1633	) {1634		$style = gutenberg_resolve_style_state_aliases( $style, 'core/navigation' );1635	}1636 1637	$global_settings          = wp_get_global_settings();1638	$viewport_settings        = $global_settings['viewport'] ?? null;1639	$responsive_media_queries = array();1640	if ( method_exists( 'WP_Theme_JSON_Gutenberg', 'get_viewport_media_queries' ) ) {1641		$responsive_media_queries = WP_Theme_JSON_Gutenberg::get_viewport_media_queries( $viewport_settings );1642	} elseif ( method_exists( 'WP_Theme_JSON', 'get_viewport_media_queries' ) ) {1643		$responsive_media_queries = WP_Theme_JSON::get_viewport_media_queries( $viewport_settings );1644	}1645 1646	$styles      = array();1647	$base_layout = is_array( $attributes['layout'] ?? null ) ? $attributes['layout'] : array();1648	foreach ( $responsive_media_queries as $breakpoint => $media_query ) {1649		$viewport_style  = is_array( $style[ $breakpoint ] ?? null ) ? $style[ $breakpoint ] : array();1650		$viewport_layout = is_array( $viewport_style['layout'] ?? null ) ? $viewport_style['layout'] : array();1651		if ( empty( $viewport_layout ) ) {1652			continue;1653		}1654 1655		$styles[] = array(1656			'declarations' => block_core_navigation_get_layout_custom_property_declarations(1657				array_replace( $base_layout, $viewport_layout )1658			),1659			'rules_group'  => $media_query,1660		);1661	}1662 1663	$processor = new WP_HTML_Tag_Processor( $block_content );1664	if ( ! $processor->next_tag() ) {1665		return $block_content;1666	}1667 1668	$class_attribute = $processor->get_attribute( 'class' );1669	$state_class     = null;1670	if ( is_string( $class_attribute ) && preg_match( '/\bwp-states-[a-f0-9]{8}\b/', $class_attribute, $matches ) ) {1671		$state_class = $matches[0];1672	}1673 1674	$layout_class = null;1675	if ( ! empty( $styles ) ) {1676		$layout_class = wp_unique_id( 'wp-block-navigation-' );1677		// The inner selector includes both Navigation classes so it overrides the1678		// default layout custom properties set by `.wp-block-navigation.items-*`.1679		$selector = ".wp-block-navigation.{$layout_class},.wp-block-navigation.wp-block-navigation__container.{$layout_class}";1680		foreach ( $styles as &$style_rule ) {1681			$style_rule['selector'] = $selector;1682		}1683		unset( $style_rule );1684 1685		$processor->add_class( $layout_class );1686		wp_style_engine_get_stylesheet_from_css_rules(1687			$styles,1688			array( 'context' => 'block-supports' )1689		);1690	}1691 1692	if ( null === $state_class && null === $layout_class ) {1693		return $block_content;1694	}1695 1696	while ( $processor->next_tag() ) {1697		// Custom overlay content can include nested Navigation blocks.1698		// Avoid applying the outer Navigation classes to an inner nav block.1699		if ( $processor->has_class( 'wp-block-navigation' ) && ! $processor->has_class( 'wp-block-navigation__container' ) ) {1700			break;1701		}

Changelog

Introduced in 7.1.0.

Signature, return type and hooks compared across 1 parsed release.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/blocks/navigation.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.