SiteOrigin_Widget_InlineCSS.php

<?php
class SiteOrigin_Widget_InlineCSS extends SiteOrigin_Widget {
	function generate_and_enqueue_instance_styles($instance) {
		if(empty($this->form_options)) $this->form_options = $this->initialize_form();
		if(empty($instance)) return;

		$instance = $this->add_defaults($this->form_options, $instance);
		$css_name = $this->id_base . '-' . $this->get_style_name($instance) . '-' . $this->get_style_hash($instance);

		$css = wp_cache_get($css_name, 'siteorigin_widgets');
		if(empty($css)) {
			$css = $this->get_instance_css($instance);
			wp_cache_add($css_name, $css, 'siteorigin_widgets');
		}
		siteorigin_widget_add_inline_css($css);

		return $css_name;
	}
}