Fix PHP Copy Failures

In PHP, the copy function is used to copy files from one location to another. If the copy function fails, it is usually due to several reasons:

1. Permission issue: Ensure that the permissions of the source and target files are set correctly, so that the PHP script has sufficient permissions to access and copy these files.
2. The target folder does not exist: make sure the target folder exists and has sufficient permissions for the PHP script to write to files.
3. Insufficient disk space: check if the target location has enough storage space to accommodate the files being copied.
4. File names that contain special characters, such as spaces or Chinese characters, may cause the copying process to fail. Try renaming the file or adding quotes to the path to avoid this issue.
5. The file is being used by another process: If the source file is being used by another process, it will result in the copy operation failing. Ensure that the source file is not open in any other program.
6. PHP version issue: Make sure that the PHP version supports the copy function and it is not disabled.

If none of the above methods work, you can try using the file_get_contents and file_put_contents functions to manually copy the file. This method allows for more detailed control over the copying process and may make it easier to pinpoint any issues.

$fileContent = file_get_contents($source);
file_put_contents($destination, $fileContent);

If the issue persists, it may be necessary to consult the PHP error log or debugging tools to find more specific error information.