php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

array-object-dereferenceable

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array-object-dereferenceable 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: fully-dereferenceable-expressionfully-dereferenceable-expressionExplore production: constantconstantExplore production: magic-constantmagic-constant
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
array-object-dereferenceable =
    fully-dereferenceable-expression | constant | magic-constant ;

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fully-dereferenceable-expression constant magic-constant
Referenced by 2
variable-expressioncallable-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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