PHP: Trim and Filter Array

=> Trim and Filter Array:

   $array = array("apple", "", 2, null, -5, "    orange ", 10, false, "   ");
   echo "<pre>";print_r($array);echo "</pre><br>";

  // trim the array
 $result_2 = array_map('trim',$array);           
 echo "<pre>";print_r($result_2);echo "</pre><br>";   

// Filtering the array
$result = array_filter($array);                
echo "<pre>";print_r($result);echo "</pre><br>"; 

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