WP_Interactivity_API::get_router_animation_styles(): string

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 *
 * @since 6.5.0
 *
 * @param WP_Interactivity_API_Directives_Processor $p               The directives processor instance.
 * @param string                                    $mode            Whether the processing is entering or exiting the tag.
 */
private function data_wp_bind_processor( WP_Interactivity_API_Directives_Processor $p, string $mode ) {
	if ( 'enter' === $mode ) {
		$all_bind_directives = $p->get_attribute_names_with_prefix( 'data-wp-bind--' );

		foreach ( $all_bind_directives as $attribute_name ) {
			list( , $bound_attribute ) = $this->extract_prefix_and_suffix( $attribute_name );
			if ( empty( $bound_attribute ) ) {
				return;
			}

			$attribute_value = $p->get_attribute( $attribute_name );
			$result          = $this->evaluate( $attribute_value );

			if (
				null !== $result &&
				(
					false !== $result ||
					( strlen( $bound_attribute ) > 5 && '-' === $bound_attribute[4] )
				)
			) {
				/*
				 * If the result of the evaluation is a boolean and the attribute is
				 * `aria-` or `data-, convert it to a string "true" or "false". It
				 * follows the exact same logic as Preact because it needs to
				 * replicate what Preact will later do in the client:

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