php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

closed-yield-include-expression

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

closed-yield-include-expression 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: closed-yield-logical-or-expressionclosed-yield-logical-or-expressionExplore production: closed-yield-logical-or-prefix-contextclosed-yield-logical-or-prefix-contextExplore production: include-operatorinclude-operatorExplore production: closed-yield-include-expressionclosed-yield-include-expression
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
closed-yield-include-expression =
    closed-yield-logical-or-expression
    | [ closed-yield-logical-or-prefix-context ] , include-operator , closed-yield-include-expression ;

Explore next

closed-yield-logical-or-expression closed-yield-logical-or-prefix-context include-operator closed-yield-include-expression
Referenced by 3
closed-yield-arrow-expressionclosed-yield-include-expressionyield-key

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