title: PHP Multidimensional Array return error
body: <p>I have an array called $reads when I do an var_dump($reads), I get the below array result.
  I am trying to get first item of first array with var_dump($reads[0][0]). I get a Message: Error rendering view: [home.uploaded] Undefined offset: 0 </p>
  
  <pre><code>array(161) {
    [0]=&gt;
    array(4) {
      ["517a5745e8505"]=&gt;
      string(29) "Ngee Ann Poly_Keywords report"
      ["517a5745e86fe"]=&gt;
      string(0) ""
      ["517a5745e882e"]=&gt;
      string(0) ""
      ["517a5745e89b5"]=&gt;
      string(0) ""
    }
    [1]=&gt;
    array(4) {
      ["517a5745e8505"]=&gt;
      string(7) "Keyword"
      ["517a5745e86fe"]=&gt;
      string(6) "Clicks"
      ["517a5745e882e"]=&gt;
      string(11) "Impressions"
      ["517a5745e89b5"]=&gt;
      string(3) "CTR"
    }
    [2]=&gt;
    array(4) {
      ["517a5745e8505"]=&gt;
      string(18) "accounting diploma"
      ["517a5745e86fe"]=&gt;
      string(1) "2"
      ["517a5745e882e"]=&gt;
      string(3) "364"
      ["517a5745e89b5"]=&gt;
      string(5) "0.55%"
    }
    [3]=&gt;
    array(4) {
      ["517a5745e8505"]=&gt;
      string(11) "polytechnic"
      ["517a5745e86fe"]=&gt;
      string(4) "1940"
      ["517a5745e882e"]=&gt;
      string(5) "42995"
      ["517a5745e89b5"]=&gt;
      string(5) "4.51%"
    }
    [4]=&gt;
    array(4) {
      ["517a5745e8505"]=&gt;
      string(15) "tourism diploma"
      ["517a5745e86fe"]=&gt;
      string(1) "1"
      ["517a5745e882e"]=&gt;
      string(3) "156"
      ["517a5745e89b5"]=&gt;
      string(5) "0.64%"
    }
  </code></pre>