php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

match-expression

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match-expression 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."match""("Explore production: expressionexpression")""{"Explore production: match-arm-listmatch-arm-list"}"
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
match-expression =
    "match" , "(" , expression , ")" , "{" , [ match-arm-list ] , "}" ;

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expression match-arm-list
Referenced by 1
postfix-expression

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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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