acf-widget.php

function widget($args, $instance)
	{
		$title = apply_filters( 'widget_title', "hallo", $instance, $this->id_base );


		// Variables
		$acf_key = "widget_" . $this->id_base . "_" . $this->number;

		// Debug information
		echo "<h3>ACF Key:</h3>";
		echo $acf_key . "<br />";

		echo "<br />";

		echo "<h3>Fields:</h3>";
		echo "<pre>";
		print_r($instance["fields"]);
		echo "</pre>";

		echo "<br />";

		echo "Use get_field(\"fieldname\", \$acf_key); to get the fields in the widget function.";

		echo "<br />";
		echo "<br />";
	}