Grammar explorer

PHP 8.5 Production

interface-declaration

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interface-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."interface"Explore production: identifieridentifierExplore production: interface-extends-clauseinterface-extends-clause"{"Explore production: interface-member-listinterface-member-list"}"
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
interface-declaration =
    "interface" , identifier , [ interface-extends-clause ] ,
    "{" , interface-member-list , "}" ;
Referenced by 2

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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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