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<?php class Test { private $value; } $ref = new ReflectionProperty(Test::class, 'value'); echo ($ref); var_dump($ref->hasDefaultValue(), $ref->getDefaultValue());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Property [ private $value = NULL ] bool(true) NULL
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Property [ <default> private $value ] Fatal error: Uncaught Error: Call to undefined method ReflectionProperty::hasDefaultValue() in /in/uZDTh:10 Stack trace: #0 {main} thrown in /in/uZDTh on line 10
Process exited with code 255.

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