使用PHP的PDF文件上传器 [英] PDF File Uploader with PHP

问题描述

我正在尝试使用php MIME类型上传PDF文件.当我单击上载时，代码产生以下错误:

I am trying to upload a PDF file using php MIME types. The code is producing the following error when I click upload :

解析错误:语法错误，/第44行/home/stylecraft/domains/stylecraft-yarns.co.uk/public_html/dev/_cms/upload_pdf2.php中出现意外的T_ELSE

Parse error: syntax error, unexpected T_ELSE in /home/stylecraft/domains/stylecraft-yarns.co.uk/public_html/dev/_cms/upload_pdf2.php on line 44

代码:

<?php
$allowedExts = array("jpg", "jpeg", "gif", "png", "pdf");
$extension = end(explode(".", $_FILES["file"]["name"]));

if ($_FILES['file']['error'] !== UPLOAD_ERR_OK) {
    die("Upload failed with error " . $_FILES['file']['error']);
}
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime = finfo_file($finfo, $_FILES['file']['tmp_name']);
$ok = false;
switch ($mime) {
   case 'image/jpeg':
   case 'application/pdf':
        $ok = true;
   default:
       die("Unknown/not permitted file type");
}

  else
    {
    echo "Upload: " . $_FILES["file"]["name"] . "<br>";
    echo "Type: " . $_FILES["file"]["type"] . "<br>";
    echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
    echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br>";

    if (file_exists("../pdf/" . $_FILES["file"]["name"]))
      {
      echo $_FILES["file"]["name"] . " already exists: ";
      echo "<p>Image URL: <strong>" . $preferences->PREF_SHOPURL . "/pdf/" . $_FILES["file"]["name"] . "</strong></p>";
      }
    else
      {
      move_uploaded_file($_FILES["file"]["tmp_name"],
      "../pdf/" . $_FILES["file"]["name"]);
      echo "Stored in: " . "pdf/" . $_FILES["file"]["name"];
      echo "<p>&nbsp;</p>";
      echo "<p>PDF URL: <strong>" . $preferences->PREF_SHOPURL . "/pdf/" . $_FILES["file"]["name"] . "</strong></p>";
      }
    }

else
  {
  echo "Invalid file";
  }
?> 

推荐答案

这是因为您的代码中没有相应的 if 语句:
else 语句应具有一个对应的伙伴"，即if.

That's because you don't have a corresponding if statement in your code:
else statements should have a corresponding "partner" which is the if.

您有:

if ($_FILES['file']['error'] !== UPLOAD_ERR_OK) {
    ...
}
else {
    ...
}

下面还有另一个:

else {
}

在您的代码中，最后一个else没有if，这是您收到错误的原因

In your code, the last else have no if before that's why you get the error

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