What should I do if the php download file is garbled?

Solution to garbled code when downloading files in php: First use the ob_clean() function to discard the contents of the output buffer; then use the ob_flush() function to flush out the contents of the output buffer; and finally download the file.

Function introduction:

The ob_clean() function is used to discard the contents of the output buffer.

ob_flush() flushes out (sends out) the contents of the output buffer.

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Solution:

Before downloading the file, use the above two functions for processing. Then download it again, so that there will be no garbled characters.

Code implementation:

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