'in_array' can be replaced with comparison
Reports the in_array() calls that are provided with a single-element array as the $haystack argument. Such calls can be replaced with direct comparisons.
See in_array (php.net) for details.
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
PhpInArrayCanBeReplacedWithComparisonInspection- 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.
Inspection ID: PhpInArrayCanBeReplacedWithComparisonInspection
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
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By default bundled with: | IntelliJ IDEA 2025.3, PhpStorm 2025.3, Qodana for JVM 2025.3, Qodana for PHP 2025.3, |