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<?php $data = [ 1 => ['symbol' => 'salad'], 2 => ['symbol' => 'wine'], 3 => ['symbol' => 'beer'] ]; echo join(", ", array_map( fn($v) => "{$v}bar", array_column($data, 'symbol') ) );

This is an error 500

Value for `_results` contains invalid data `array`


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