pts-core: Reimplement is_results_tracker()

pts-core/objects/pts_Graph/pts_graph_lines.php

@@ -71,7 +71,7 @@ public function __construct(&$result_object, &$result_file = null, $extra_attrib
 				// add array_values($json_r)
 				$this->test_result->test_result_buffer->add_test_result($system, array_values($result_r), array_values($raw_r));
 			}
-			$max_count = count($this->graph_identifiers) + 2;
+			$max_count = count($this->graph_identifiers) + 1;
 		}
 
 		$this->max_count = $max_count;

pts-core/objects/pts_render.php

@@ -173,6 +173,11 @@ public static function render_graph_process(&$result_object, &$result_file = nul
 					} */
 				}
 
+				if($result_file->is_results_tracker())
+				{
+					$extra_attributes['force_tracking_line_graph'] = 1;
+				}
+
 				if((self::multi_way_identifier_check($result_object->test_result_buffer->get_identifiers()) || (isset($extra_attributes['force_tracking_line_graph']) && $extra_attributes['force_tracking_line_graph'])))
 				{
 					//$result_table = false;

pts-core/objects/pts_result_file.php

@@ -312,6 +312,23 @@ public function is_results_tracker()
 						$this->is_tracker = false;
 					}
 				}
+
+				if($this->is_tracker == false && count($identifiers) > 4)
+				{
+					// See if only numbers are changing between runs
+					foreach($identifiers as $i => &$identifier)
+					{
+						if(($x = strpos($identifier, ': ')) !== false)
+						{
+							$identifier = substr($identifier, ($x + 2));
+						}
+						if($i > 0 && pts_strings::remove_from_string($identifier, pts_strings::CHAR_NUMERIC | pts_strings::CHAR_DECIMAL) != pts_strings::remove_from_string($identifiers[($i - 1)], pts_strings::CHAR_NUMERIC | pts_strings::CHAR_DECIMAL))
+						{
+							return false;
+						}
+					}
+					$this->is_tracker = true;
+				}
 			}
 			else
 			{