PHP 8.1.0 Beta 1 available for testing


(PECL parle >= 0.7.0)

Parle\RParser::traceTrace the parser operation


public Parle\RParser::trace(): string

Retrieve the current parser operation description. This can be especially useful to study the parser and to optimize the grammar.


This function has no parameters.

Return Values

Returns a string with the trace information.

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