<?php $o = new stdClass; $o->text = "ans1"; $o2 = new stdClass; $o2->text = "ans2"; $o3 = new stdClass; $o3->text = "ans3"; $arr = [$o, $o2, $o3]; $arr = array_column($arr, 'text'); print_r($arr);
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Value for `_results` contains invalid data `array`