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'readonly' modifier is redundant

Reports readonly modifiers applied to properties in read-only classes. Those modifiers are redundant since all properties in read-only classes are implicitly read-only.

See Readonly classes RFC ( for details.

Inspection Details

By default bundled with:

PhpStorm 2024.1, Qodana for PHP 2024.1,

Can be installed with plugin:


Last modified: 12 March 2024