(PECL parle >= 0.5.1)
Parle\Parser::validate — Validate input
$data
, Parle\Lexer $lexer
) : boolValidate an input string. The string is parsed internally, thus this method is useful for the quick input validation.
dataString to be validated.
lexerA lexer object containing the lexing rules prepared for the particular grammar.
Returns boolean witnessing whether the input chimes or not with the defined rules.