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<?php $arr = ['serialize_handler'=>'php_binary', 'hi'=>'test']; session_start($arr);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: session_start(): Setting option "hi" failed in /in/iQnPF on line 4 Warning: session_start(): Session cookie cannot be sent after headers have already been sent (output started at /in/iQnPF:4) in /in/iQnPF on line 4 Warning: session_start(): Session cache limiter cannot be sent after headers have already been sent (output started at /in/iQnPF:4) in /in/iQnPF on line 4
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: session_start(): Setting option "hi" failed in /in/iQnPF on line 4 Warning: session_start(): Session cookie cannot be sent after headers have already been sent (output started at /in/iQnPF:4) in /in/iQnPF on line 4 Warning: session_start(): Session cache limiter cannot be sent after headers have already been sent (output started at /in/iQnPF:4) in /in/iQnPF on line 4
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: session_start(): Setting option 'hi' failed in /in/iQnPF on line 4 Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /in/iQnPF:4) in /in/iQnPF on line 4 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/iQnPF:4) in /in/iQnPF on line 4
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40

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243.34 ms | 402 KiB | 373 Q