探讨php中遍历二维数组的几种方法详解

  

复制代码 代码如下:

  <?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>";

  ?>

  //使用foreach遍历

  

复制代码 代码如下:

  <?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>";

  ?>

  

复制代码 代码如下:

  <?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>";

  }

  ?>