ExpressionLanguage (Component)

Symfony\Component\ExpressionLanguage

Compiler	Compiles a node to PHP code.
Expression	Represents an expression.
ExpressionFunction	Represents a function that can be used in an expression.
ExpressionLanguage	Allows to compile and evaluate expressions written in your own DSL.
Lexer	Lexes an expression.
ParsedExpression	Represents an already parsed expression.
Parser	Parsers a token stream.
SerializedParsedExpression	Represents an already parsed expression.
SyntaxError
Token	Represents a Token.
TokenStream	Represents a token stream.

ExpressionFunctionProviderInterface