PHP Decode

<? 
				$i = 1; 
				$numbers = range(0, 9); 
				shuffle($numbers); 
				$number = current($numbers); 
				while (is_integer($number)) { 
					$number1 = next($numbers); 
					if($i == 1 or $i == 4) 
						echo '<div class="row">'; 
 
					echo  '<div class="col-4 col-md-4"> 
					<button type="button" value="'.$number.$number1.'" class="num btn"><strong> '.$number.' ou '.$number1.' </strong></button> 
					</div>'; 
 
					if($i == 3) 
						echo '</div>'; 
 
					$number = next($numbers); 
					$i++; 
				} 
				?>