Find Greatest Number from 10 inputs : PHP Assignment

I used input bar code in this assignment, which my teacher gave me to use. I used 10 input bars with different names. Then I used while loop and if conditional statement within loop to make this assignment successful.
Note : Try this code : Download Find Greatest Number Script

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 <?PHP  
      $inputs = array();  
      if (isset($_POST['submit'])) { //to check if the form was submitted  
           $value = isset($_POST['input0'])? $_POST['input0'] : null;  
           for($count = 1; $value != null; $count++){  
                array_push($inputs, $value);  
                $value = isset($_POST['input'.$count])? $_POST['input'.$count] : null;  
           }  
      }  
      var_dump($inputs);  
 ?>       
 <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">  
   <!-- to take multiple inputs copy the below line and change name="input" attribute -->  
   Enter input 1:&nbsp;<input type="text" name="input0" value="" /><br />  
   Enter input 2:&nbsp;<input type="text" name="input1" value="" /><br />  
   Enter input 3:&nbsp;<input type="text" name="input2" value="" /><br />  
   Enter input 4:&nbsp;<input type="text" name="input3" value="" /><br />  
   Enter input 5:&nbsp;<input type="text" name="input4" value="" /><br />  
   Enter input 6:&nbsp;<input type="text" name="input5" value="" /><br />  
   Enter input 7:&nbsp;<input type="text" name="input6" value="" /><br />  
   Enter input 8:&nbsp;<input type="text" name="input7" value="" /><br />  
   Enter input 9:&nbsp;<input type="text" name="input8" value="" /><br />  
   Enter input 10:&nbsp;<input type="text" name="input9" value="" /><br />  
   <input type="submit" name="submit" value="Submit" />  
 </form>  
 <?php  
     $max = $inputs[0]; //this variable to store values to array  
     $count = 1; //this variable to run the loop 10 times  
     while ($count < 10) //here it is Terminate condition  
     {  
         if ($max < $inputs[$count])  
         {  
           $max = $inputs[$count];  
         }  
       $count++;  
     }  
     echo "$max is greatest <br/>";  
 ?>