PHP Classes

Parser of Expression Grammar: Evaluate expressions in Reverse Polish Notation

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peg_util 0.7GNU Lesser Genera...4.2.3Text processing, Math


This class can be used to evaluate expressions in Reverse Polish Notation (RPN).

It can take a string with an expression using RPN and parse it to evaluate its result.

The class supports constants, functions, operators, custom functions, custom operators.

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Plain text file peg_util.php Class A Parser of Expression Grammar using Reverse Polish Notation

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