php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

encapsulated-offset

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encapsulated-offset 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: identifieridentifierExplore production: numeric-stringnumeric-string"-"Explore production: numeric-stringnumeric-stringExplore production: variablevariable
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
encapsulated-offset =
      identifier
    | numeric-string
    | "-" , numeric-string
    | variable ;

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identifier numeric-string variable
Referenced by 1
encapsulated-variable

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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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