我想上传一个img文件并将其更改为另一个名称，但是我所做的我都无法执行代码->
<?php
if(isset($_FILES['image'])){
$errors= array();
$file_name = $_FILES['image']['name'];
$file_size =$_FILES['image']['size'];
$file_tmp =$_FILES['image']['tmp_name'];
$file_type=$_FILES['image']['type'];
// $file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));
$file_parts =explode('.',$_FILES['image']['name']);
$file_ext=strtolower(end($file_parts));
$extensions= array("jpeg","jpg","png");
if(in_array($file_ext,$extensions)=== false){
$errors[]="extension not allowed, please choose a JPEG or PNG file.";
}
if($file_size > 1000000000){
$errors[]='File size must be excately 2 MB';
}
if(empty($errors)==true){
move_uploaded_file($file_tmp,"uploads/".$file_name);
echo "Success";
}else{
print_r($errors);
}
}
?>
<html lang="en">
<body>
<form action="" method="POST" enctype="multipart/form-data">
<input type="file" name="image">
<input type="submit">
</form>
</body>
</html>
请问我该怎么办？（stackoverflow中的代码不起作用）
$img_name = $_FILES['foto']['tmp_name'];
$new_name = "new_pict_name.jpg";
$img_path = "/path_to_save_pict";
$conn_id = ftp_connect("your_ftp_host");
ftp_login($conn_id, "ftp_user_name", "ftp_password");
ftp_put($conn_id, $img_path.'/'.$new_name, $img_name, FTP_BINARY);
ftp_close($conn_id);
您可以在ftp连接之前添加文件大小和文件类型验证。