菜鸡求教,该如何处理

<?php<br />function Contrast($arr,$r,$c,&$numb){<br />	if($arr[$r][$c]==$arr[$r][$c+1]){<br />		$c++;<br />		$numb++;		<br />		Contrast($arr,$r,$c,$numb);		<br />	}else{	  <br />	  echo $numb."</br>";<br />	  return  $numb;	  <br />	}<br />}<br /><br />$arr=array(array(0,0,0,1,1,1,1,1,1,0,0,));<br />$r=0;<br />$c=3;<br />$numb=0;<br />$d=Contrast($arr,$r,$c,$numb);<br />var_dump($d);<br />?>

<br />    if($arr[$r][$c]==$arr[$r][$c+1]){<br />        $c++;<br />        $numb++;       <br />        Contrast($arr,$r,$c,$numb);       <br />    }else{ <br />

<br /><?php<br />function Contrast($arr,$r,$c,&$numb){<br />    if($arr[$r][$c]==$arr[$r][$c+1]){<br />        $c++;<br />        $numb++;       <br />        return Contrast($arr,$r,$c,$numb);       <br />    }else{      <br />      echo $numb."</br>";<br />      return  $numb;      <br />    }<br />}<br /> <br />$arr=array(array(0,0,0,1,1,1,1,1,1,0,0,));<br />$r=0;<br />$c=3;<br />$numb=0;<br />$d=Contrast($arr,$r,$c,$numb);<br />var_dump($d);<br />?><br />