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<?php class Test implements SessionHandlerInterface { public function close ( ){return true;} public function destroy ( $session_id ){return true;} public function gc ( $maxlifetime ){return true;} public function open ( $save_path , $session_name ){return true;} public function read ( $session_id ){return 'testtest|s:7:"testing";';} public function write ( $session_id , $session_data ){var_dump(session_status());return true;} } $test = new Test(); session_set_save_handler($test); session_start();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Test::open($save_path, $session_name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 8 Deprecated: Return type of Test::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 5 Deprecated: Return type of Test::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 9 Deprecated: Return type of Test::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 10 Deprecated: Return type of Test::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 6 Deprecated: Return type of Test::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 7 Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /in/T9Htq on line 14 Warning: session_start(): Session cannot be started after headers have already been sent in /in/T9Htq on line 15
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of Test::open($save_path, $session_name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 8 Deprecated: Return type of Test::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 5 Deprecated: Return type of Test::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 9 Deprecated: Return type of Test::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 10 Deprecated: Return type of Test::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 6 Deprecated: Return type of Test::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T9Htq on line 7 Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /in/T9Htq on line 14 Warning: session_start(): Session cannot be started after headers have already been sent in /in/T9Htq on line 15
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(2)
Output for 7.0.0 - 7.0.20
int(1)

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