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老师批语：下次把作业标题写完整, 还有, 代码 中应该添加适当的注释
<?php $data = ['a','b','c','d','e','f']; ?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>foreach</title>
</head>
<body>
<ul>
<?php foreach ($data as $key=>$value){?>
<li><?php echo ($key+1).':'.$value ?></li>
<?php } ?>
</ul>
<hr>
<ul>
<?php foreach ($data as $v):?>
<li><?php echo $v ?></li>
<?php endforeach ?>
</ul>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>get</title> </head> <body> <form action="" method="get" > <label for="email">邮箱：</label> <input type="email" name="email" id="email" value="<?php echo isset($_GET['email']) ? $_GET['email'] : ''; ?>"> <label for="password">密码：</label> <input type="password" name="password" id="password" value="<?php echo isset($_GET['password']) ? $_GET['password'] : ''; ?>"> <button>登录</button> </form> <?php echo '<pre>'; print_r($_GET); ?> </body> </html>
点击 "运行实例" 按钮查看在线实例
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>post</title> </head> <body> <form action="" method="post" > <label for="email">邮箱：</label> <input type="email" name="email" id="email" value="<?php echo isset($_POST['email']) ? $_POST['email'] : ''; ?>"> <label for="password">密码：</label> <input type="password" name="password" id="password" value="<?php echo isset($_POST['password']) ? $_POST['password'] : ''; ?>"> <button>登录</button> </form> <?php echo '<pre>'; print_r($_POST); ?> </body> </html>
点击 "运行实例" 按钮查看在线实例
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