php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

namespace-declaration-name

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namespace-declaration-name 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: semi-reserved-identifiersemi-reserved-identifierExplore production: qualified-namequalified-name
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
namespace-declaration-name =
    semi-reserved-identifier | qualified-name ;

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semi-reserved-identifier qualified-name
Referenced by 1
namespace-definition

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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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