title: Is there anyway to count how many keys an array has in Php?
body: <pre><code>Array
      (
          [0] =&gt; 'hello'
          [1] =&gt; 'there'
          [2] =&gt; 
          [3] =&gt; 
          [4] =&gt; 3
      )
  
  // how to  get the number 5?
  </code></pre>