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<?php class Hoge { private $a = 'foo'; private $b = 'bar'; } function updateProperties($instance, array $properties) { $ref = new ReflectionClass($instance); $props = $ref->getProperties(ReflectionProperty::IS_PRIVATE); foreach ($props as $prop) { if (isset($properties[$prop->name])) { $prop->setAccessible(true); $prop->setValue($properties[$prop->name]); } } } $h = new Hoge; updateProperties($h, array('a' => 'fizz', 'b' => 'buzz')); var_dump($h);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: ReflectionProperty::setValue() expects exactly 2 arguments, 1 given in /in/SKp53:14 Stack trace: #0 /in/SKp53(14): ReflectionProperty->setValue('fizz') #1 /in/SKp53(20): updateProperties(Object(Hoge), Array) #2 {main} thrown in /in/SKp53 on line 14
Process exited with code 255.

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