php TCPDF 将 pdf 保存到 /tmp/（或任何系统默认的临时文件）
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TCPDF save pdf to /tmp/ (or whatever the system default for temp files are)
提问by Chris Muench
When a files is upload via a form its location is somewhere that is writable by the webserver but NOT in the current application folder. The reason I like this is:
当文件通过表单上传时，它的位置是网络服务器可写的位置，但不在当前应用程序文件夹中。我喜欢这个的原因是：
- The application doesn't have to have a publicly writable folder
- If you only need it temporally (such as attaching to an e-mail) then this is a great location
- 应用程序不必具有可公开写入的文件夹
- 如果您只是暂时需要它（例如附加到电子邮件），那么这是一个很好的位置
Is there a way to have access to this location via TCPDF when saving a file?
保存文件时，有没有办法通过 TCPDF 访问此位置？
回答by mario
If you want to use the very same location where uploads end up:
如果您想使用上传结束的相同位置：
$tmp = ini_get('upload_tmp_dir');
But you should use sys_get_temp_dir()and just '/tmp'as fallback anyway.
但是无论如何你都应该使用sys_get_temp_dir()and'/tmp'作为后备。
And you know, just pass that as parameter to your save function $TCPDF->Output("$tmp/file.pdf", "F");
你知道，只需将它作为参数传递给你的保存函数 $TCPDF->Output("$tmp/file.pdf", "F");
