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WP_Duotone::get_slug_from_attribute()

WP_Duotone::get_slug_from_attribute( string $duotone_attr ): string

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Takes the inline CSS duotone variable from a block and return the slug.

Description

Handles styles slugs like: var:preset|duotone|blue-orange var(–wp–preset–duotone–blue-orange)

Parameters

$duotone_attrstringrequired
The duotone attribute from a block.

Return

string The slug of the duotone preset or an empty string if no slug is found.

Source

private static function get_slug_from_attribute( $duotone_attr ) {
	// Uses Branch Reset Groups `(?|…)` to return one capture group.
	preg_match( '/(?|var:preset\|duotone\|(\S+)|var\(--wp--preset--duotone--(\S+)\))/', $duotone_attr, $matches );

	return ! empty( $matches[1] ) ? $matches[1] : '';
}

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Used byDescription
WP_Duotone::render_duotone_support()wp-includes/class-wp-duotone.php

Render out the duotone CSS styles and SVG.

WP_Duotone::get_all_global_style_block_names()wp-includes/class-wp-duotone.php

Scrape all block names from global styles and store in self::$global_styles_block_names.

WP_Duotone::is_preset()wp-includes/class-wp-duotone.php

Checks if we have a valid duotone preset.

Changelog

VersionDescription
6.3.0Introduced.

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