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<?php session_register('name', 'value'); var_dump(key_exists(0, array(1)));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function session_register() in /in/dPpHa:3 Stack trace: #0 {main} thrown in /in/dPpHa on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Call to undefined function session_register() in /in/dPpHa on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Function session_register() is deprecated in /in/dPpHa on line 3 Warning: session_register(): Cannot send session cookie - headers already sent by (output started at /in/dPpHa:3) in /in/dPpHa on line 3 Warning: session_register(): Cannot send session cache limiter - headers already sent (output started at /in/dPpHa:3) in /in/dPpHa on line 3 bool(true)
Output for 5.2.3 - 5.2.17
bool(true)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Warning: session_register(): Cannot send session cookie - headers already sent in /in/dPpHa on line 3 Warning: session_register(): Cannot send session cache limiter - headers already sent (output started at /in/dPpHa:3) in /in/dPpHa on line 3 bool(true)
Output for 4.3.0 - 4.3.1
Warning: session_register() [http://www.php.net/function.session-register]: Cannot send session cookie - headers already sent in /in/dPpHa on line 3 Warning: session_register() [http://www.php.net/function.session-register]: Cannot send session cache limiter - headers already sent (output started at /in/dPpHa:3) in /in/dPpHa on line 3 bool(true)

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