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<?php namespace Safe; use Safe\Exceptions\SessionException; /** * session_abort finishes session without saving * data. Thus the original values in session data are kept. * * @throws SessionException * */ function session_abort(): void { error_clear_last(); $safeResult = \session_abort(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * session_create_id is used to create new * session id for the current session. It returns collision free * session id. * * If session is not active, collision check is omitted. * * Session ID is created according to php.ini settings. * * It is important to use the same user ID of your web server for GC * task script. Otherwise, you may have permission problems especially * with files save handler. * * @param string $prefix If prefix is specified, new session id * is prefixed by prefix. Not all * characters are allowed within the session id. Characters in * the range a-z A-Z 0-9 , (comma) and - * (minus) are allowed. * @return string session_create_id returns new collision free * session id for the current session. If it is used without active * session, it omits collision check. * On failure, FALSE is returned. * @throws SessionException * */ function session_create_id(string $prefix = ""): string { error_clear_last(); $safeResult = \session_create_id($prefix); if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * session_decode decodes the serialized session data provided in * $data, and populates the $_SESSION superglobal * with the result. * * By default, the unserialization method used is internal to PHP, and is not the same as unserialize. * The serialization method can be set using session.serialize_handler. * * @param string $data The encoded data to be stored. * @throws SessionException * */ function session_decode(string $data): void { error_clear_last(); $safeResult = \session_decode($data); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * In order to kill the session altogether, the * session ID must also be unset. If a cookie is used to propagate the * session ID (default behavior), then the session cookie must be deleted. * setcookie may be used for that. * * When session.use_strict_mode * is enabled. You do not have to remove obsolete session ID cookie because * session module will not accept session ID cookie when there is no * data associated to the session ID and set new session ID cookie. * Enabling session.use_strict_mode * is recommended for all sites. * * @throws SessionException * */ function session_destroy(): void { error_clear_last(); $safeResult = \session_destroy(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * session_encode returns a serialized string of the * contents of the current session data stored in the $_SESSION superglobal. * * By default, the serialization method used is internal to PHP, and is not the same as serialize. * The serialization method can be set using session.serialize_handler. * * @return string Returns the contents of the current session encoded. * @throws SessionException * */ function session_encode(): string { error_clear_last(); $safeResult = \session_encode(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * session_id is used to get or set the session id for * the current session. * * The constant SID can also be used to * retrieve the current name and session id as a string suitable for * adding to URLs. See also Session * handling. * * @param string $id If id is specified and not NULL, it will replace the current * session id. session_id needs to be called before * session_start for that purpose. Depending on the * session handler, not all characters are allowed within the session id. * For example, the file session handler only allows characters in the * range a-z A-Z 0-9 , (comma) and - (minus)! * @return string session_id returns the session id for the current * session or the empty string ("") if there is no current * session (no current session id exists). * On failure, FALSE is returned. * @throws SessionException * */ function session_id(string $id = null): string { error_clear_last(); if ($id !== null) { $safeResult = \session_id($id); } else { $safeResult = \session_id(); } if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * session_module_name gets the name of the current * session module, which is also known as * session.save_handler. * * @param string $module If module is specified and not NULL, that module will be * used instead. * Passing "user" to this parameter is forbidden. Instead * session_set_save_handler has to be called to set a user * defined session handler. * @return string Returns the name of the current session module. * @throws SessionException * */ function session_module_name(string $module = null): string { error_clear_last(); if ($module !== null) { $safeResult = \session_module_name($module); } else { $safeResult = \session_module_name(); } if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * session_name returns the name of the current * session. If name is given, * session_name will update the session name and return * the old session name. * * If a new session name is * supplied, session_name modifies the HTTP cookie * (and output content when session.transid is * enabled). Once the HTTP cookie is * sent, session_name raises error. * session_name must be called * before session_start for the session to work * properly. * * The session name is reset to the default value stored in * session.name at request startup time. Thus, you need to * call session_name for every request (and before * session_start is called). * * @param string $name The session name references the name of the session, which is * used in cookies and URLs (e.g. PHPSESSID). It * should contain only alphanumeric characters; it should be short and * descriptive (i.e. for users with enabled cookie warnings). * If name is specified and not NULL, the name of the current * session is changed to its value. * * * * The session name can't consist of digits only, at least one letter * must be present. Otherwise a new session id is generated every time. * * * * The session name can't consist of digits only, at least one letter * must be present. Otherwise a new session id is generated every time. * @return string Returns the name of the current session. If name is given * and function updates the session name, name of the old session * is returned. * @throws SessionException * */ function session_name(string $name = null): string { error_clear_last(); if ($name !== null) { $safeResult = \session_name($name); } else { $safeResult = \session_name(); } if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * session_regenerate_id will replace the current * session id with a new one, and keep the current session information. * * When session.use_trans_sid * is enabled, output must be started after session_regenerate_id * call. Otherwise, old session ID is used. * * @param bool $delete_old_session Whether to delete the old associated session file or not. * You should not delete old session if you need to avoid * races caused by deletion or detect/avoid session hijack * attacks. * @throws SessionException * */ function session_regenerate_id(bool $delete_old_session = false): void { error_clear_last(); $safeResult = \session_regenerate_id($delete_old_session); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * session_reset reinitializes a session with * original values stored in session storage. This function requires an active session and * discards changes in $_SESSION. * * @throws SessionException * */ function session_reset(): void { error_clear_last(); $safeResult = \session_reset(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * session_save_path returns the path of the current * directory used to save session data. * * @param string $path Session data path. If specified and not NULL, the path to which data is saved will * be changed. session_save_path needs to be called * before session_start for that purpose. * * * * On some operating systems, you may want to specify a path on a * filesystem that handles lots of small files efficiently. For example, * on Linux, reiserfs may provide better performance than ext2fs. * * * * On some operating systems, you may want to specify a path on a * filesystem that handles lots of small files efficiently. For example, * on Linux, reiserfs may provide better performance than ext2fs. * @return string Returns the path of the current directory used for data storage. * @throws SessionException * */ function session_save_path(string $path = null): string { error_clear_last(); if ($path !== null) { $safeResult = \session_save_path($path); } else { $safeResult = \session_save_path(); } if ($safeResult === false) { throw SessionException::createFromPhpError(); } return $safeResult; } /** * The session_unset function frees all session variables * currently registered. * * @throws SessionException * */ function session_unset(): void { error_clear_last(); $safeResult = \session_unset(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } } /** * End the current session and store session data. * * Session data is usually stored after your script terminated without the * need to call session_write_close, but as session data * is locked to prevent concurrent writes only one script may operate on a * session at any time. When using framesets together with sessions you will * experience the frames loading one by one due to this locking. You can * reduce the time needed to load all the frames by ending the session as * soon as all changes to session variables are done. * * @throws SessionException * */ function session_write_close(): void { error_clear_last(); $safeResult = \session_write_close(); if ($safeResult === false) { throw SessionException::createFromPhpError(); } }