title: A non well formed numeric value encountered when converting DateTime
body: <p>I am using the fullCalendar plugin/directive in Angular, and I am currently having an issue when trying to save the date/time into my database.</p>
  
  <p>These are the values being posted to my server:</p>
  
  <pre><code>{"title":"Hey","start":"2015-08-13T00:00:00.000Z","end":"2015-08-13T00:00:00.000Z","allDay":true}
  </code></pre>
  
  <p>Now in my controller I try to convert both date/time string into valid date/time format before saving into my database:</p>
  
  <pre><code>public function store(ScheduleRequest $request)
  {
      $schedule = new Schedules;
      $schedule-&gt;allDay = $request-&gt;allDay;
      $schedule-&gt;start = strtotime(date('Y-m-d H:i:s', $request-&gt;start));
      $schedule-&gt;end = strtotime(date('Y-m-d H:i:s', $request-&gt;end));
      $schedule-&gt;title = $request-&gt;title;
  
      if ($schedule-&gt;save())
      {
          return [
              'success' =&gt; 'Data Was Saved Successfully'
          ];
      }
  }
  </code></pre>
  
  <p>This is the error I get:</p>
  
  <blockquote>
    <p>A non well formed numeric value encountered</p>
  </blockquote>
  
  <p>I would like to know how to convert both datetime values into valid datetime objects in PHP using the specified format.</p>