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<?php session_start(); session_write_close(); var_dump(sessionStatus()); // this would return false function sessionStatus() { if (function_exists('session_status')) { return (session_status() == PHP_SESSION_ACTIVE); } return defined('SID'); }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)
Output for 5.2.3 - 5.3.29
bool(true)
Output for 4.3.5 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/iYZ09 on line 2 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/iYZ09:2) in /in/iYZ09 on line 2 bool(true)
Output for 4.3.2 - 4.3.4
Warning: session_start(): Cannot send session cookie - headers already sent in /in/iYZ09 on line 2 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/iYZ09:2) in /in/iYZ09 on line 2 int(1)
Output for 4.3.0 - 4.3.1
Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cookie - headers already sent in /in/iYZ09 on line 2 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/iYZ09:2) in /in/iYZ09 on line 2 int(1)