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'Closure::fromCallable()' can be converted to the first-class callable syntax

Reports the callable creation expressions that use Closure::fromCallable but can be replaced with first-class callable syntax f(...) available since PHP 8.1.

See First-class callable syntax ( for details.

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | PHP | Code style


By default bundled with

PhpStorm 2024.1, Qodana for PHP 2024.1,

Can be installed with plugin


Last modified: 18 June 2024