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Parle\Lexer::callout

(PECL parle >= 0.7.2)

Parle\Lexer::calloutDefine token callback

Description

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

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.

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