php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

instanceof-prefix-context

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instanceof-prefix-context 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: unary-prefix-contextunary-prefix-contextExplore production: instanceof-expressioninstanceof-expression"instanceof"Explore production: class-name-referenceclass-name-reference"**"Explore production: unary-prefix-contextunary-prefix-context
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
instanceof-prefix-context =
    unary-prefix-context
    | instanceof-expression , "instanceof" , class-name-reference , "**" , [ unary-prefix-context ] ;

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unary-prefix-context instanceof-expression class-name-reference
Referenced by 2
boolean-not-expressionboolean-not-prefix-context

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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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