php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

decimal-integer-literal

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decimal-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."0"Explore production: decimal-digit-nonzerodecimal-digit-nonzeroExplore production: numeric-separatornumeric-separatorExplore production: decimal-digitdecimal-digit
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
decimal-integer-literal =
      "0"
    | decimal-digit-nonzero , { [ numeric-separator ] , decimal-digit } ;

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decimal-digit-nonzero numeric-separator decimal-digit
Referenced by 1
integer-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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