php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

callable-expression

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callable-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-variable"("Explore production: expressionexpression")"Explore production: dereferenceable-scalardereferenceable-scalarExplore production: new-dereferenceablenew-dereferenceable
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
callable-expression =
    callable-variable | "(" , expression , ")" | dereferenceable-scalar | new-dereferenceable ;

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callable-variable expression dereferenceable-scalar new-dereferenceable
Referenced by 1
function-call

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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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