title: Laravel Form:select() Multi select options not working if array value is numeric
body: <p><strong>Form:select()</strong></p>
  
  <p>I want to select multiple options in select, but its only work if Array index key is string, If array index key is numeric its not working...</p>
  
  <p>Any help please..</p>
  
  <p><strong>Working Example:</strong></p>
  
  <pre><code>Form::select($field_data['name'], 
           array('L' =&gt; 'Large', 'M' =&gt; 'Medium', 'S' =&gt; 'Small'), //Options list
           array('S', 'M'), //Selected values
           array('multiple')); //Multiple True
  //Result: Form print and Large and Small selected
  </code></pre>
  
  <p><strong>Not working with Numeric Array Keys</strong></p>
  
  <pre><code>Form::select($field_data['name'], 
           array('5' =&gt; 'Large', '2' =&gt; 'Medium', '10' =&gt; 'Small'),  //Options list
           array('10', '2'),  //Selected values
           array('multiple')); //Multiple True
  
  // Just Form&gt;select&gt;options print, but no option selected
  </code></pre>
  
  <p>I want to select multiple option, and options keys are numeric ids..</p>