Please tell me how to submit the url parameter username=test&userpwd=test&confirm=test&Submit= when logging in to the PHP user system. Why can't the registration be submitted? It shows that the submission failed. Direct form submission can be successful.
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If the url is submitted directly, maybe your server does not support get submission, or the "registration" in username=test&userpwd=test&confirm=test&Submit=registration needs to be converted to the encoding