php-grammarAn open source EBNF grammar for PHP.

Grammar explorer

PHP 8.5 Production

expression

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expression 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: throw-expressionthrow-expression
Production LiteralBranch: choiceBypass: optionalLoop: repeat
EBNF source
expression =
    throw-expression ;

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throw-expression
Referenced by 43
encapsulated-variableprimary-expressionconditional-expressionmatch-expressionmatch-armmatch-arm-condition-listvariable-variablecallable-variablenew-variablefully-dereferenceable-expressioncallable-expressionproperty-namemember-nameclass-constantclass-name-referenceisset-variableclone-argument-listargumentargument-no-expressionexpression-listarray-pairexpression-statementstatic-variablereturn-statementbreak-statementcontinue-statementdo-statementfor-expressionfor-condition-expression-listswitch-statementswitch-casevoid-cast-statementproperty-hook-bodyconditional-prefix-contextconstant-expressionmatched-if-statementunmatched-if-statementalternative-if-statementmatched-while-statementunmatched-while-statementmatched-foreach-statementunmatched-foreach-statementalt-elseif-list

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The grammar, in plain text.

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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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