Warning: session_start(): Cannot send session_PHP教程
Warning: session_start(): Cannot send session
Warning: session_start(): Cannot send session cache limiter
echo "Homen
";
session_start();
Warning: session_start(): Cannot send session cache limiter
I want to know why a warning message appears when adding session_start();
session_start(): Put it at the beginning of the file and try it
Note: If you are using cookie-based sessions, you must call session_start() before anything is outputted to the browser.
If you are using cookie-based sessions, do not output anything to the browser before session_start
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