php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

callable-variable

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callable-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: array-object-dereferenceablearray-object-dereferenceable"["Explore production: expressionexpression"]"Explore production: array-object-dereferenceablearray-object-dereferenceableExplore production: object-operatorobject-operatorExplore production: nullsafe-object-operatornullsafe-object-operatorExplore production: property-nameproperty-nameExplore production: argument-listargument-listExplore production: function-callfunction-call
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
callable-variable =
    variable-like
    | array-object-dereferenceable , "[" , [ expression ] , "]"
    | array-object-dereferenceable , ( object-operator | nullsafe-object-operator ) , property-name , argument-list
    | function-call ;

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variable-like array-object-dereferenceable expression object-operator nullsafe-object-operator property-name argument-list function-call
Referenced by 2
callable-expressionvariable-expression

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php.ebnfPHP 8.5 · Canonical EBNF grammar php.mdPHP 8.5 · Grammar & source contract

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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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