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<?php $contacts = [["createdAt"=>'2020-01-29T17:00:04.159+01:00']]; foreach ($contacts as &$contact) { $time = new DateTime($contact['createdAt']); $contact['createdAt'] = $time->format('Y-m-d'); } print_r($contacts);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [createdAt] => 2020-01-29 ) )
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112.31 ms | 1471 KiB | 4 Q