Uploadify缺少文件扩展名

Question

我在 web 项目上使用 uploadify，而且我不是一个 php 高手，所以我很难理解为什么以下结果会导致上传的图像没有有效的扩展名。我得到没有 .jpg 扩展名的“1-profile”。有人能解释一下吗？

    <?php
/*
UploadiFive
Copyright (c) 2012 Reactive Apps, Ronnie Garcia
*/

// Set the uplaod directory
$uploadDir = '/img/profiles/';

// Set the allowed file extensions
$fileTypes = array('jpg', 'jpeg', 'gif', 'png'); // Allowed file extensions

$verifyToken = md5('unique_salt' . $_POST['timestamp']);

if (!empty($_FILES) && $_POST['token'] == $verifyToken) {

    rename($_FILES['Filedata']['name'], $_POST['user_id'].'-profile');

    $tempFile   = $_FILES['Filedata']['tmp_name'];
    $uploadDir  = $_SERVER['DOCUMENT_ROOT'] . $uploadDir;

    $targetFile = $uploadDir .$_POST['user_id']. '-profile.'. strtolower($fileParts['extension']);

    // Validate the filetype
    $fileParts = pathinfo($_FILES['Filedata']['name']);
    if (in_array(strtolower($fileParts['extension']), $fileTypes)) {

        // Save the file
        move_uploaded_file($tempFile, $targetFile);
        echo 1;

    } else {

        // The file type wasn't allowed
        echo 'Invalid file type.';

    }
}
?>

Answer 1

您是否在定义之前引用了$fileParts？

$targetFile = $uploadDir .$_POST['user_id']. '-profile.'. strtolower($fileParts['extension']);

// Validate the filetype
$fileParts = pathinfo($_FILES['Filedata']['name']);

应该是

$fileParts = pathinfo($_FILES['Filedata']['name']);
$targetFile = $uploadDir .$_POST['user_id']. '-profile.'. strtolower($fileParts['extension']);

// Validate the filetype