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What is an enum in PHP?

Q: What is an enum in PHP?

1) PHP 8.1+. 2) enum Status { case Pending; case Active; }. 3) Backed enums: enum Status: string { case Pending = 'pending'; }. 4) Type-safe enumerations. 5) Methods can be added.

Updated: 2026-08-31

Answer

•PHP 8.1+.

•enum Status { case Pending; case Active; }.

•Backed enums: enum Status: string { case Pending = 'pending'; }.

•Type-safe enumerations.

•Methods can be added.

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What is an enum in PHP?

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