PHP在完全下载后停止读取远程文件。

I'm getting a 30 second timeout error because the code keeps checking if the file is over 5mb when it's under. The code is designed to reject files over 5mb but i need it to also stop executing when the file is under 5mb. Is there a way to check the file transfer chunk to see if it's empty? I'm currently using this example by DaveRandom:I'm getting a 30 second timeout error because t