Parle\Lexer::callout
(PECL parle >= 0.7.2)
Parle\Lexer::callout — Define token callback
説明
public Parle\Lexer::callout
( int $id
, callable $callback
) : void
Define a callback to be invoked once lexer encounters a particular token.
パラメータ
id
- Token id.
callback
- Callable to be invoked. The callable doesn't receive any arguments and its return value is ignored.
返り値
値を返しません。