php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

new-variable

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new-variable 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-likevariable-likeExplore production: new-variablenew-variable"["Explore production: expressionexpression"]"Explore production: new-variablenew-variableExplore production: object-operatorobject-operatorExplore production: nullsafe-object-operatornullsafe-object-operatorExplore production: property-nameproperty-nameExplore production: class-nameclass-nameExplore production: new-variablenew-variable"::"Explore production: variable-likevariable-like
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
new-variable =
    variable-like
    | new-variable , "[" , [ expression ] , "]"
    | new-variable , ( object-operator | nullsafe-object-operator ) , property-name
    | ( class-name | new-variable ) , "::" , variable-like ;

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variable-like new-variable expression object-operator nullsafe-object-operator property-name class-name
Referenced by 2
class-name-referencenew-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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