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<?php $arr = [ ['user_id' => 1234], ['user_id' => 5678] ]; $arrId = array_column($arr,null,'user_id'); unset($arrId[1234]); $numArr = array_values($arrId); var_export($numArr);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => array ( 'user_id' => 5678, ), )
preferences:
99.54 ms | 406 KiB | 5 Q