Libraries tagged by expressions parser

expression parser

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PHP Mathematical expression parser and evaluator

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Cron Expression Parser is a comprehensive tool for parsing and validating cron expressions. It supports both 5-field and 6-field formats and returns detailed information about each field.

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Simple mathematical expression/equation parser and calculator.

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PHP parser for mathematical expressions.

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Simple DOM wrapper to select nodes using either CSS or XPath expressions and manipulate results quickly and easily.

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Simple DOM wrapper to select nodes using either CSS or XPath expressions and manipulate results quickly and easily.

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Simple math expressions calculator

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High speed rules engine

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A reading library that can read and parse strings and PSR-7 streams

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A sandboxed expression evaluator: one grammar, three implementations, asserted against a shared conformance table. Paths, literals, logic, comparisons, ternaries and object/array literals -- with no eval, no host reach and no calls of any kind. A malformed expression throws; an absent path is null, and keeping those two apart is the point.

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Simple DOM wrapper to select nodes using either CSS or XPath expressions and manipulate results quickly and easily.

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PEG (parsing expression grammar) compiler for PHP (a PHP 8.2 compatible fork of hafriedlander/php-peg)

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StringCalc is a PHP calculator library for mathematical terms (expressions) passed as strings.forked from jayprakashji/string-calc and chriskonnertz/string-calc

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A lightweight, embeddable scripting language for PHP applications

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