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<?php $var1 = 444; $var2 = 444; $test = function() use(&$var1, &$var2){ $var1 = $var1; // & not specified $var2_local = $var2; // & not specified $var1 = 333; $var2_local = 333; }; $test(); var_dump($var1); var_dump($var2);

This is an error 500

Value for `_results` contains invalid data `array`


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