CsrfToken refreshToken(string $tokenId) Generates a new token value for the given ID. This method will generate a new token for the given token ID, independent of whether a token value previously existed or not. It can be used to enforce once-only tokens in environments with high security needs. Parameters string $tokenId The token ID. You may choose an arbitrary value for the ID Return Value CsrfToken The CSRF token

bool isTokenValid(CsrfToken $token) Returns whether the given CSRF token is valid. Parameters CsrfToken $token A CSRF token Return Value bool Returns true if the token is valid, false otherwise

CsrfToken getToken(string $tokenId) Returns a CSRF token for the given ID. If previously no token existed for the given ID, a new token is generated. Otherwise the existing token is returned (with the same value, not the same instance). Parameters string $tokenId The token ID. You may choose an arbitrary value for the ID Return Value CsrfToken The CSRF token

interface CsrfTokenManagerInterface Manages CSRF tokens. Methods CsrfToken getToken(string $tokenId) Returns a CSRF token for the given ID. CsrfToken refreshToken(string $tokenId) Generates a new token value for the given ID. string|null removeToken(string $tokenId) Invalidates the CSRF token with the given ID, if one exists. bool isTokenValid(CsrfToken $token) Returns whether the given CSRF token is valid. Details CsrfToken getToken(string

string|null removeToken(string $tokenId) Invalidates the CSRF token with the given ID, if one exists. Parameters string $tokenId The token ID Return Value string|null Returns the removed token value if one existed, NULL otherwise

CsrfToken refreshToken(string $tokenId) Generates a new token value for the given ID. This method will generate a new token for the given token ID, independent of whether a token value previously existed or not. It can be used to enforce once-only tokens in environments with high security needs. Parameters string $tokenId The token ID. You may choose an arbitrary value for the ID Return Value CsrfToken The CSRF token

bool isTokenValid(CsrfToken $token) Returns whether the given CSRF token is valid. Parameters CsrfToken $token A CSRF token Return Value bool Returns true if the token is valid, false otherwise

CsrfToken getToken(string $tokenId) Returns a CSRF token for the given ID. If previously no token existed for the given ID, a new token is generated. Otherwise the existing token is returned (with the same value, not the same instance). Parameters string $tokenId The token ID. You may choose an arbitrary value for the ID Return Value CsrfToken The CSRF token

class CsrfTokenManager implements CsrfTokenManagerInterface Default implementation of {@link CsrfTokenManagerInterface}. Methods __construct(TokenGeneratorInterface $generator = null, TokenStorageInterface $storage = null) Creates a new CSRF provider using PHP's native session storage. CsrfToken getToken(string $tokenId) Returns a CSRF token for the given ID. CsrfToken refreshToken(string $tokenId) Generates a new token value for the given ID. string|null removeToken(strin

string getValue() Returns the value of the CSRF token. Return Value string The token value