<?php $array = [ '1201' => ['docUpload' => 'html dom.txt'], '1202' => ['docUpload' => 'PYTHON AND DJANGO ARE HUGE IN FINTECH.txt'], '1203' => ['docUpload' => ''], ]; $new = array_column($array, 'docUpload'); $new = array_combine(array_keys($array), $new); print_r($new);
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