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Missing parameter list

Reports missing parameter lists in a classes' instantiations.

According to the PSR-12 specification, when instantiating a new class, parentheses MUST always be present even when there are no arguments passed to the constructor.

See PSR-12: Extended Coding Style ( 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 | PSR-12


By default bundled with

PhpStorm 2024.1, Qodana for PHP 2024.1,

Can be installed with plugin


Last modified: 18 June 2024