Parle\Lexer::callout
PHP function
Edit on GitHub ✎
(PECL parle >= 0.7.2)
Define token callback
Description
Parle\Lexer::callout(int $id, callable $callback): void
Define a callback to be invoked once lexer encounters a particular token.
Parameters
idToken id.
callbackCallable to be invoked. The callable doesn't receive any arguments and its return value is ignored.
Return Values
Void