Display all ACF field names / field values for any given post.

single.php

if (function_exists('get_field')) {

	$fields = get_fields();

	if( $fields ) {
		foreach( $fields as $field_name => $value ) {

			$field = get_field_object($field_name, false, array('load_value' => false));

			if($value) {
				echo '<div>';
					echo '<h3>' . $field['label'] . '</h3>';
					echo $value;
				echo '</div>';	
			}
		}
	}
}