php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

additive-prefix-context

Read left to right. Select any rule to explore it.

additive-prefix-context railroad diagramRead left to right. Branches are alternatives, bypasses are optional, and loops repeat. Select a production to explore it. The EBNF and linked references follow below.Explore production: multiplicative-prefix-contextmultiplicative-prefix-contextExplore production: additive-expressionadditive-expression"+""-"Explore production: multiplicative-prefix-contextmultiplicative-prefix-context
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
additive-prefix-context =
    multiplicative-prefix-context | additive-expression , ( "+" | "-" ) , [ multiplicative-prefix-context ] ;

Explore next

multiplicative-prefix-context additive-expression
Referenced by 1
shift-prefix-context

Take it with you

The grammar, in plain text.

For reading, building tools, and exploring PHP.
Free to use under the MIT license.

php.ebnfPHP 8.5 · Canonical EBNF grammar php.mdPHP 8.5 · Grammar & source contract

A shared understanding of PHP.

php-grammar is an open source project documenting PHP syntax in a consistent, tool-independent format. The EBNF describes syntax; the accompanying specification defines lexical rules and contextual constraints.

Explore the project and contribute