How to Upload Files to a Server Using PHP
This article explains how to create an HTML form and a PHP script to upload files to a server, detailing the required form attributes, handling of the uploaded file on the backend, and displaying success or failure messages.
In this tutorial we demonstrate how to upload files to a server using PHP, covering both the client‑side HTML form and the server‑side processing script.
1. HTML Form
<html>
<body>
<form action="service_file.php" method="post" enctype="multipart/form-data">
<label for="file">待上传文件名:</label>
<input type="file" name="file" id="file" /> <br/>
<input type="submit" name="submit" value="提交" />
</form>
</body>
</html>The form uses enctype="multipart/form-data" and posts to service_file.php, allowing the user to select a file and submit it.
2. service_file.php
<?php
echo "<pre>";
print_r($_FILES['file']);
$uploaddir = './upload/'; //存放的路径
$uploadfile = $uploaddir . basename($_FILES['file']['name']);
if (move_uploaded_file($_FILES['file']['tmp_name'], $uploadfile)) {
echo "文件上传成功";
} else {
echo "文件上传失败";
}
?>The script prints the uploaded file information, moves the file to the upload/ directory, and outputs a success or failure message.
When the upload succeeds, the page displays the file details and confirms that the file was stored on the server.
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