探讨php中遍历二维数组的几种方法详解

<?PHP 
//使用for循环遍历 
$arr2=array(array("张三","20","男"),array("李四","25","男"),array("王五","19","女"),array("赵六","25","女")); 
echo "<table border=2 bordercolor=red><tr><td>姓名</td><td>年龄</td& gt;<td>性别</td></tr>"; 
for($i=0;$i<4;$i++){ 
echo "<tr>"; 
for($j=0;$j<3;$j++){ 
  echo "<td>"; 
  echo $arr2[$i][$j]; 
  echo "</td>"; 
} 
echo "</tr>"; 
echo "<br>"; 
} 
echo "</table>"; 
?> 

<?php 
$arr = array('one'=>array('name'=>'张三','age'=>'23','sex'=>'男'), 
  'two'=>array('name'=>'李四','age'=>'43','sex'=>'女'), 
  'three'=>array('name'=>'王五','age'=>'32','sex'=>'男'), 
  'four'=>array('name'=>'赵六','age'=>'12','sex'=>'女')); 
 
foreach($arr as $k=>$val){ 
  echo $val['name'].$val['age'].$val['sex']."<br>"; 
} 
echo "<p>"; 
?> 
 
<?php 
$arr = array('one'=>array('name'=>'张三','age'=>'23','sex'=>'男'), 
  'two'=>array('name'=>'李四','age'=>'43','sex'=>'女'), 
  'three'=>array('name'=>'王五','age'=>'32','sex'=>'男'), 
  'four'=>array('name'=>'赵六','age'=>'12','sex'=>'女')); 
foreach($arr as $key=>$value){ 
foreach($value as $key2=>$value2){ 
  echo $value2; 
} 
echo "<br>"; 
}  
?>