php简单问题来看看

 
$url=array('编程词典网'='www.mrbccd.com',
           '编程词典网'='www.mrbccd.com',
           '编程词典网'='www.mrbccd.com',);
foreach($url as $link){
echo $link.'
';
}       
?>

<?php 
$url=array(
  '编程词典网1'=>'www.mrbccd.com',
  '编程词典网2'=>'www.mrbccd.com',
  '编程词典网3'=>'www.mrbccd.com',);
// 只输出值
foreach($url as $link){
  echo $link ;
  echo '<hr/>';
} 
// 输出key 和 值
foreach($url as $k=>$v){
  echo $k . '----------' . $v ;
  echo '<hr/>';
}

?>