PHP 7.1.21 Released

Parle\RParser::precedence

(PECL parle >= 0.7.0)

Parle\RParser::precedenceDeclare a precedence rule

说明

public void Parle\RParser::precedence ( string $tok )

Declares a precedence rule for a fictious terminal symbol. This rule can be later used in the specific grammar rules.

参数

tok

Token name.

返回值

没有返回值。

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