php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

dereferenceable-scalar

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dereferenceable-scalar 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: array-creation-expressionarray-creation-expressionExplore production: single-quoted-stringsingle-quoted-stringExplore production: double-quoted-stringdouble-quoted-string
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
dereferenceable-scalar =
    array-creation-expression | single-quoted-string | double-quoted-string ;

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array-creation-expression single-quoted-string double-quoted-string
Referenced by 2
fully-dereferenceable-expressioncallable-expression

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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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