php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

binary-integer-literal

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binary-integer-literal 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."0b""0B"Explore production: binary-digitbinary-digitExplore production: numeric-separatornumeric-separatorExplore production: binary-digitbinary-digit
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
binary-integer-literal =
    ( "0b" | "0B" ) , binary-digit , { [ numeric-separator ] , binary-digit } ;

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binary-digit numeric-separator
Referenced by 2
integer-literalnumeric-string

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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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