php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

numeric-string

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numeric-string 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-digitsExplore production: binary-integer-literalbinary-integer-literalExplore production: explicit-octal-integer-literalexplicit-octal-integer-literalExplore production: hexadecimal-integer-literalhexadecimal-integer-literal
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
numeric-string =
    decimal-digits | binary-integer-literal | explicit-octal-integer-literal | hexadecimal-integer-literal ;

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decimal-digits binary-integer-literal explicit-octal-integer-literal hexadecimal-integer-literal
Referenced by 1
encapsulated-offset

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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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