php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

switch-case

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switch-case 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."case"Explore production: expressionexpression":"";"Explore production: inner-statement-listinner-statement-list"default"":"";"Explore production: inner-statement-listinner-statement-list
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
switch-case =
      "case" , expression , ( ":" | ";" ) , inner-statement-list
    | "default" , ( ":" | ";" ) , inner-statement-list ;

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expression inner-statement-list
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switch-case-list

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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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