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<?php class Handler implements SessionHandlerInterface { private $savePath; public function open($savePath, $sessionName) { return true; } public function close() { return true; } public function read($id) { return null; // Error: Should return an empty string if no record is found } public function write($id, $data) { return true; } public function destroy($id) { return true; } public function gc($maxlifetime) { return true; } } session_set_save_handler(new Handler()); session_start();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Handler::open($savePath, $sessionName) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 5 Deprecated: Return type of Handler::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 9 Deprecated: Return type of Handler::read($id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 13 Deprecated: Return type of Handler::write($id, $data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 17 Deprecated: Return type of Handler::destroy($id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 21 Deprecated: Return type of Handler::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 25 Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /in/Olh8p on line 30 Warning: session_start(): Session cannot be started after headers have already been sent in /in/Olh8p on line 31
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of Handler::open($savePath, $sessionName) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 5 Deprecated: Return type of Handler::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 9 Deprecated: Return type of Handler::read($id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 13 Deprecated: Return type of Handler::write($id, $data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 17 Deprecated: Return type of Handler::destroy($id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Olh8p on line 21 Deprecated: Return type of Handler::gc($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/Olh8p on line 25 Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /in/Olh8p on line 30 Warning: session_start(): Session cannot be started after headers have already been sent in /in/Olh8p on line 31
Output for 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
Warning: session_start(): Failed to read session data: user (path: ) in /in/Olh8p on line 31

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