php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

floating-literal

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floating-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.Explore production: decimal-digitsdecimal-digits"."Explore production: decimal-digitsdecimal-digitsExplore production: exponent-partexponent-part"."Explore production: decimal-digitsdecimal-digitsExplore production: exponent-partexponent-partExplore production: decimal-digitsdecimal-digitsExplore production: exponent-partexponent-part
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
floating-literal =
      decimal-digits , "." , [ decimal-digits ] , [ exponent-part ]
    | "." , decimal-digits , [ exponent-part ]
    | decimal-digits , exponent-part ;

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decimal-digits exponent-part
Referenced by 1
literal

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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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