php-grammarAn open source EBNF grammar for PHP.

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PHP 8.5 Production

union-type-without-static-element

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union-type-without-static-element 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: simple-type-without-staticsimple-type-without-staticExplore production: parenthesized-intersection-type-without-staticparenthesized-intersection-type-without-static
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
union-type-without-static-element =
      simple-type-without-static
    | parenthesized-intersection-type-without-static ;

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simple-type-without-static parenthesized-intersection-type-without-static
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union-type-without-static

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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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