Parle\Lexer
PHP Manual

Parle\Lexer::callout

Define token callback

Description

public void Parle\Lexer::callout(int $id, callable $callback)

Define a callback to be invoked once lexer encounters a particular token.

Parameters

id

Token id.

callback

Callable to be invoked. The callable doesn't receive any arguments and its return value is ignored.

Return Values

No value is returned.