php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

match-arm

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match-arm 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: match-arm-condition-listmatch-arm-condition-list",""=>"Explore production: expressionexpression"default"",""=>"Explore production: expressionexpression
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
match-arm =
      match-arm-condition-list , [ "," ] , "=>" , expression
    | "default" , [ "," ] , "=>" , expression ;

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