php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

variable-expression

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variable-expression 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: callable-variablecallable-variableExplore production: static-memberstatic-memberExplore production: array-object-dereferenceablearray-object-dereferenceableExplore production: object-operatorobject-operatorExplore production: nullsafe-object-operatornullsafe-object-operatorExplore production: property-nameproperty-name
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
variable-expression =
    callable-variable | static-member
    | array-object-dereferenceable , ( object-operator | nullsafe-object-operator ) , property-name ;

Explore next

callable-variable static-member array-object-dereferenceable object-operator nullsafe-object-operator property-name
Referenced by 8
encapsulated-variableassignment-expressionpostfix-expressionfully-dereferenceable-expressionarray-pairunset-variableforeach-variableassignment-prefix

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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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