Deprecated 'Serializable' interface usage
Reports the usages of deprecated Serializable interface.
Locating this inspection
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PhpDeprecatedSerializableUsageInspection- Via Settings dialog
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Starting from PHP 8.1, classes that are non-abstract, implement Serializable, and do not implement __serialize() and __unserialize() will throw a deprecation warning.
See Phasing out Serializable (php.net) for details.
Suppressing Inspection
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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 2025.2, PhpStorm 2025.2, Qodana for JVM 2025.2, Qodana for PHP 2025.2, |