php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

enum-declaration

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enum-declaration 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."enum"Explore production: identifieridentifierExplore production: enum-backing-typeenum-backing-typeExplore production: implements-clauseimplements-clause"{"Explore production: enum-member-listenum-member-list"}"
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
enum-declaration =
    "enum" , identifier , [ enum-backing-type ] , [ implements-clause ] ,
    "{" , enum-member-list , "}" ;

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identifier enum-backing-type implements-clause enum-member-list
Referenced by 2
attributed-top-declarationinner-declaration

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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.

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