Parle\Parser::validate

(PECL parle >= 0.5.1)

Parle\Parser::validate — Validate input

public function Parle\Parser::validate(string $data, Parle\Lexer $lexer): bool

Validate an input string. The string is parsed internally, thus this method is useful for the quick input validation.

data: String to be validated.
lexer: A lexer object containing the lexing rules prepared for the particular grammar.

Returns bool witnessing whether the input chimes or not with the defined rules.