Libraries tagged by expressions

CRON for PHP: Calculate the next or previous run date and determine if a CRON expression is due

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Converts CSS selectors to XPath expressions

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Provides an engine that can compile and evaluate expressions

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PCRE wrapping library that offers type-safe preg_* replacements.

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CRON for PHP: Calculate the next or previous run date and determine if a CRON expression is due

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A sane interface for php's built in preg_* functions

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Makes CRON expressions human-readable

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Laravel queries with common table expressions

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Adds PostgreSQL enhancements to Doctrine. Provides support for JSON, JSONB and some array data types. Provides functions, operators and common expressions used when working with JSON data, arrays and features related to text search.

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Simple math expressions calculator

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PHP Mathematical expression parser and evaluator

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Enhances the Symfony2 Security Component by adding several new features

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Method chaining (or fluent expressions) for any value using any method.

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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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PHP parser for mathematical expressions, including elementary functions, variables and implicit multiplication. Also supports symbolic differentiation.

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