數組的遍歷

<?php
   $contact=array(1,"高某","A公司","北京市","[phone]","[email protected]");
   echo"<table border='1' width='400' align='center'>";
   echo"<caption><h1><font color='red'>聯繫人列表</font></h1></caption>";
   echo"<tr bgcolor='#dddddd'>";
   echo"<th>編號</th><th>姓名</th><th>公司</th><th>地址</th><th>電話</th><th>E-mail</th>";
   echo"</tr><tr>";
   for($i=0;$i<count($contact);$i++){
   	echo"<td>$contact[$i]</td>";
   }
   echo"</tr></table>";
   
   $num=0;
   foreach($contact as $value){
   	echo"在數組\$contact中第".$num."個元素是:".$value."<br>";
   	$num++;
   }
   
   $con=array("ID"=>1,"姓名"=>"高某","公司"=>"A公司","住址"=>"北京市","電話"=>"[phone]","郵箱"=>"[email protected]");
   list($key,$value)=each($con);
   echo $key."=>".$value;
   
   
   echo"<dl>一個聯繫人的信息:";
   while(list($key,$value)=each($con)){
   	echo"<dd>$key:$value</dd>";
   }
   echo"</dl>";
   
     reset($con);
     echo'第一個元素：'.key($con).'=>'.current($con).'<br>';
     echo'第一個元素：'.key($con).'=>'.current($con).'<br>';
     next($con);
     next($con);
     echo'第三個元素：'.key($con).'=>'.current($con).'<br>';
     end($con);
     echo'最後一個元素：'.key($con).'=>'.current($con).'<br>';
     prev($con);
     echo'倒數第二個元素：'.key($con).'=>'.current($con).'<br>';
     reset($con);
     echo'回到第一個元素：'.key($con).'=>'.current($con).'<br>';
   /*$con=array("ID"=>1,"姓名"=>"高某","公司"=>"A公司","住址"=>"北京市","電話"=>"[phone]","郵箱"=>"[email protected]");
   $id=each($con);
   print_r($id);
   $name=each($con);
   print_r($name);
   $company=each($con);
   print_r($company);
   $tel=each($con);
   print_r($tel);
   $main=each($con);
   var_dump($main);
   $no=each($con);
   var_dump($no);*/
?>