Php/docs/parle-parser.trace
From Get docs
Parle\Parser::trace
(PECL parle >= 0.5.1)
Parle\Parser::trace — Trace the parser operation
Description
public Parle\Parser::trace ( ) : string
Retrieve the current parser operation description. This can be especially useful for studying the parser and to optimize the grammar.
Parameters
This function has no parameters.
Return Values
Returns a string with the trace information.