php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

function-declaration

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function-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."function""&"Explore production: identifieridentifier"readonly""("Explore production: parameter-listparameter-list")"Explore production: return-typereturn-typeExplore production: compound-statementcompound-statement
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
function-declaration =
    "function" , [ "&" ] , ( identifier | "readonly" ) , "(" , parameter-list , ")" ,
    return-type , compound-statement ;

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identifier parameter-list return-type compound-statement
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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