Parle\Parser::push

(PECL parle >= 0.5.1)

Parle\Parser::push — Add a grammar rule

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public Parle\Parser::push ( string $name , string $rule ) : int

Push a grammar rule. The production id returned can be used later in the parsing process to identify the rule matched.

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name: Rule name.
rule: The rule to be added. The syntax is Bison compatible.

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Returns integer representing the rule index.