php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

arrow-expression

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arrow-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.Explore production: include-expressioninclude-expressionExplore production: include-prefix-contextinclude-prefix-contextExplore production: arrow-functionarrow-function
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
arrow-expression =
    include-expression | [ include-prefix-context ] , arrow-function ;

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include-expression include-prefix-context arrow-function
Referenced by 2
arrow-functionthrow-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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