(PECL parle >= 0.7.0)
Parle\RParser::validate — Validate input
public Parle\RParser::validate ( string $data , Parle\RLexer $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 whitnessing whether the input chimes or not with the defined rules.
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/parle-rparser.validate.php