php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

assignment-prefix

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assignment-prefix 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: variable-expressionvariable-expressionExplore production: assignment-operatorassignment-operatorExplore production: list-expressionlist-expression"="
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
assignment-prefix =
    variable-expression , assignment-operator | list-expression , "=" ;

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variable-expression assignment-operator list-expression
Referenced by 2
assignment-expressionassignment-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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