Merge pull request php-debugbar#115 from snapshotpl/has-measure

Adding the possibility to verify whether measure exists

Author: maximebf

src/DebugBar/DataCollector/TimeDataCollector.php

@@ -18,12 +18,25 @@
  */
 class TimeDataCollector extends DataCollector implements Renderable
 {
+
+    /**
+     * @var float
+     */
     protected $requestStartTime;
 
+    /**
+     * @var float
+     */
     protected $requestEndTime;
 
+    /**
+     * @var array
+     */
     protected $startedMeasures = array();
 
+    /**
+     * @var array
+     */
     protected $measures = array();
 
     /**
@@ -56,6 +69,17 @@ public function startMeasure($name, $label = null)
         );
     }
 
+    /**
+     * Check a measure exists
+     *
+     * @param string $name
+     * @return bool
+     */
+    public function hasStartedMeasure($name)
+    {
+        return isset($this->startedMeasures[$name]);
+    }
+
     /**
      * Stops a measure
      *
@@ -64,7 +88,7 @@ public function startMeasure($name, $label = null)
     public function stopMeasure($name)
     {
         $end = microtime(true);
-        if (!isset($this->startedMeasures[$name])) {
+        if (!$this->hasStartedMeasure($name)) {
             throw new DebugBarException("Failed stopping measure '$name' because it hasn't been started");
         }
         $this->addMeasure($this->startedMeasures[$name]['label'], $this->startedMeasures[$name]['start'], $end);