<?php $unique = [null, '', .0, false, null, 0, '0.0', -.1, "\0", false]; $duplicated=array(); foreach($unique as $k=>$v) { if( ($kt=array_search($v,$unique))!==false and $k!=$kt ) { unset($unique[$kt]); $duplicated[]=$v; } } var_export($unique); var_export($duplicated);
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Value for `_results` contains invalid data `array`