WP_Theme_JSON::prepend_to_selector( string $selector, string $to_prepend ): string

Prepends a sub-selector to an existing one.

Description

Given the compounded $selector “h1, h2, h3” and the $to_prepend selector “.some-class ” the result will be “.some-class h1, .some-class h2, .some-class h3”.

Parameters

$selectorstringrequired: Original selector.
$to_prependstringrequired: Selector to prepend.

Return

string The new selector.

Source

protected static function prepend_to_selector( $selector, $to_prepend ) {
	if ( ! str_contains( $selector, ',' ) ) {
		return $to_prepend . $selector;
	}
	$new_selectors = array();
	$selectors     = explode( ',', $selector );
	foreach ( $selectors as $sel ) {
		$new_selectors[] = $to_prepend . $sel;
	}
	return implode( ',', $new_selectors );
}

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Changelog

Version	Description
6.3.0	Introduced.

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