<?php class X { public function __construct( public $id, public $name, ) {} } $list = []; foreach(range(0, 10) as $i) { $list[] = new X(rand(0, 1000_000), 'name '.$i); } $map = array_column($list, null, 'id'); print_r($map) ; ?>
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Value for `_results` contains invalid data `array`