php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

name-identifier

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name-identifier 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: identifier-startidentifier-startExplore production: identifier-partidentifier-part
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
name-identifier =
    identifier-start , { identifier-part } ;

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identifier-start identifier-part
Referenced by 4
qualified-namefully-qualified-namenamespace-relative-nameheredoc-label

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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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