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我正在尝试使用 html 输入标签上传更大尺寸的图像，例如 4608X3500 像素。但无法获取文件大小。

我正在使用此代码获取文件详细信息：

    $userfile_name = $_FILES['image']['name'];
$userfile_tmp = $_FILES['image']['tmp_name'];
$userfile_size = $_FILES['image']['size'];
$userfile_type = $_FILES['image']['type'];
$filename = basename($_FILES['image']['name']);

在这种情况下，我没有得到类型值并且大小值显示为 0。

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4 回答 4

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应该是文件太大了。做什么

var_dump($_FILES['image']['error'])

节目？如果它不为零，则发生错误。代码在这里定义：http: //php.net/manual/en/features.file-upload.errors.php

于 2013-04-02T13:47:43.087 回答
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C:\wamp\bin\php\php5.2.6

在此搜索 php.ini 文件和此文件中，您需要设置 upload_max_filesize...

于 2013-04-02T13:52:52.877 回答
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有时当我们上传小于 2 MB 的文件时。它正常上传，因为默认情况下upload_max_filesizephp.ini 有 2M 这意味着 2 MB。另一方面，超过 2 MB 的文件大小需要 upload_max_filesize在 php.ini 中进行更改。你也可以检查你的错误

var_dump($_FILES['image']['error'])

此处列出相关值

UPLOAD_ERR_OK

    Value: 0; There is no error, the file uploaded with success.
UPLOAD_ERR_INI_SIZE

    Value: 1; The uploaded file exceeds the upload_max_filesize directive in php.ini.
UPLOAD_ERR_FORM_SIZE

    Value: 2; The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.
UPLOAD_ERR_PARTIAL

    Value: 3; The uploaded file was only partially uploaded.
UPLOAD_ERR_NO_FILE

    Value: 4; No file was uploaded.
UPLOAD_ERR_NO_TMP_DIR

    Value: 6; Missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3.
UPLOAD_ERR_CANT_WRITE

    Value: 7; Failed to write file to disk. Introduced in PHP 5.1.0.
UPLOAD_ERR_EXTENSION

    Value: 8; A PHP extension stopped the file upload. PHP does not provide a way to ascertain which extension caused the file upload to stop; examining the list of loaded extensions with phpinfo() may help. Introduced in PHP 5.2.0.'

参考这里：- http://php.net/manual/en/features.file-upload.errors.php

于 2014-04-30T07:38:12.547 回答
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更改upload_max_filesize您的 php.ini

于 2013-04-02T13:48:27.220 回答