php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

encapsulated-string-part

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encapsulated-string-part 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: string-textstring-textExplore production: encapsulated-variableencapsulated-variable
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
encapsulated-string-part =
      string-text
    | encapsulated-variable ;

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string-text encapsulated-variable
Referenced by 3
double-quoted-stringbacktick-string-part-listheredoc-body

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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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