php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

attributed-top-declaration

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attributed-top-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.Explore production: attribute-groupsattribute-groupsExplore production: function-declarationfunction-declarationExplore production: class-declarationclass-declarationExplore production: interface-declarationinterface-declarationExplore production: trait-declarationtrait-declarationExplore production: enum-declarationenum-declarationExplore production: constant-declarationconstant-declarationExplore production: attribute-groupsattribute-groups"const"Explore production: constant-listconstant-list";"
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
attributed-top-declaration =
    [ attribute-groups ] ,
    ( function-declaration | class-declaration | interface-declaration
    | trait-declaration | enum-declaration )
    | constant-declaration
    | attribute-groups , "const" , constant-list , ";" ;

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attribute-groups function-declaration class-declaration interface-declaration trait-declaration enum-declaration constant-declaration constant-list
Referenced by 1
top-statement

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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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