CHANGELOG

7.2

• Add support for null-coalescing unknown variables
• Add support for comments using /* & */
• Allow passing any iterable as $providers list to ExpressionLanguage constructor
• Add support for <<, >>, and ~ bitwise operators
• Add support for logical xor operator

7.1

• Add support for PHP min and max functions
• Add Parser::IGNORE_UNKNOWN_VARIABLES and Parser::IGNORE_UNKNOWN_FUNCTIONS flags to control whether parsing and linting should check for unknown variables and functions.
• Deprecate passing null as the allowed variable names to ExpressionLanguage::lint() and Parser::lint(), pass the IGNORE_UNKNOWN_VARIABLES flag instead to ignore unknown variables during linting

7.0

• The in and not in operators now use strict comparison

6.3

• Add enum expression function
• Deprecate loose comparisons when using the “in” operator; normalize the array parameter so it only has the expected types or implement loose matching in your own expression function

6.2

• Add support for null-coalescing syntax

6.1

• Add support for null-safe syntax when parsing object’s methods and properties
• Add new operators: contains, starts with and ends with
• Support lexing numbers with the numeric literal separator _
• Support lexing decimals with no leading zero

5.1.0

• added lint method to ExpressionLanguage class
• added lint method to Parser class

4.0.0

• the first argument of the ExpressionLanguage constructor must be an instance of CacheItemPoolInterface
• removed the ArrayParserCache and ParserCacheAdapter classes
• removed the ParserCacheInterface

2.6.0

• Added ExpressionFunction and ExpressionFunctionProviderInterface

2.4.0

• added the component