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Correction status：qualified
Teacher's comments：
Collection
Collection
1、使用foreach语句循环输出二维数组信息
<?php
$title = "人名单";
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title><?php echo $title; ?></title>
</head>
<body>
<?php
$arr = array(
['id'=>1,'name'=>'王二','sex'=>'男','age'=>'22'],
['id'=>2,'name'=>'王三','sex'=>'女','age'=>'23'],
['id'=>3,'name'=>'王四','sex'=>'男','age'=>'24'],
['id'=>4,'name'=>'王五','sex'=>'女','age'=>'21']
);
?>
<table border="1">
<tr><td>id</td><td>姓名</td><td>性别</td><td>年龄</td></tr>
<?php
$data = '';
foreach($arr as $array){
$data .='<tr>';
$data .= '<td>'.$array['id'].'</td>';
$data .= '<td>'.$array['name'].'</td>';
$data .= '<td>'.$array['sex'].'</td>';
$data .= '<td>'.$array['age'].'</td>';
$data .= '</tr>';
}
echo $data;
?>
</table>
</body>
</html>点击 "运行实例" 按钮查看在线实例
2、不使用大括号的foreach循环输出（结合if语句）
<?php $title = "人名单"; ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title><?php echo $title; ?></title> </head> <body> <?php $arr = array( ['id'=>1,'name'=>'王二','sex'=>1,'age'=>'22'], ['id'=>2,'name'=>'王三','sex'=>0,'age'=>'23'], ['id'=>3,'name'=>'王四','sex'=>1,'age'=>'24'], ['id'=>4,'name'=>'王五','sex'=>0,'age'=>'21'] ); ?> <table border="1"> <tr><td>id</td><td>姓名</td><td>性别</td><td>年龄</td></tr> <?php foreach($arr as $array): ?> <tr><td><?=$array['id'];?></td><td><?=$array['name'];?></td><td><?=$array['sex'] ? '男':'女'; ?> </td><td><?=$array['age'];?></td></tr> <?php endforeach; ?> </table> </body> </html>
点击 "运行实例" 按钮查看在线实例
输出结果与第一种完全一样！