Parle\RParser::sigil

(PECL parle >= 0.7.0)

Parle\RParser::sigil — Retrieve a matching part of a rule

说明

public Parle\RParser::sigil ([ int $idx ] ) : string

Retrieve a part of the match by a rule. This method is equivalent to the pseudo variable functionality in Bison.

参数

idx

Match index, zero based.

返回值

Returns a string with the matched part.