php with data jump
PHP is a popular programming language used to create dynamic web applications. In web applications, sometimes you need to pass data to another page. In PHP, this can be achieved by jumping with data. This article will introduce how to use PHP to jump with data.
1. What is jump with data
In PHP, jump with data means passing data to another page and then using the data on that page. This is typically used to pass user-entered form data to another page. For example, when a user fills out a registration form, upon submission of the form, the data is passed to another page that can insert the data into a database.
2. How to implement jump with data
To implement jump with data, you can use PHP's $_GET variable or $_POST variable. Both variables are superglobal variables and can be used anywhere. They are used to obtain data sent via URL or HTTP POST method respectively.
The syntax for using the $_GET variable to jump with data is as follows:
header("Location: nextpage.php?var1=value1&var2=value2");The syntax for using the $_POST variable to jump with data is as follows:
header("Location: nextpage.php");On the nextpage.php page , you can use the $_GET variable or the $_POST variable to get the passed data. The following is a sample code to obtain $_GET variable data:
$var1 = $_GET['var1']; $var2 = $_GET['var2'];
The following is a sample code to obtain $_POST variable data:
$var1 = $_POST['var1']; $var2 = $_POST['var2'];
3. Example
Let us create a simple Example with data jump. The following is an HTML form that contains a text box and a submit button:
<html>
<head>
<title>PHP带数据跳转示例</title>
</head>
<body>
<form method="post" action="nextpage.php">
<label for="name">名字：</label>
<input type="text" id="name" name="name"><br><br>
<input type="submit" value="提交">
</form>
</body>
</html>When the user enters a name and clicks the submit button, data is sent to the nextpage.php page. Here is the code for the nextpage.php page to get the name entered in the form and display it on the page:
<?php
if(isset($_POST['name'])){
$name = $_POST['name'];
echo "您输入的名字是：" . $name;
}
?>When the user clicks the submit button, send the data to nextpage.php. The page will check to see if the name variable is set, and if so, get the value of the variable and display it on the page.
4. Conclusion
By using the $_GET variable or $_POST variable, you can easily implement PHP jump with data. Use jump with data to conveniently pass data to another page for use on that page. When developing web applications, jumping with data is a common requirement, so it is very useful to be familiar with how to use PHP to jump with data.
The above is the detailed content of php with data jump. For more information, please follow other related articles on the PHP Chinese website!
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