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<?php $arr = [ 'one@gmail.com' => [ '70,80', '90,100' ], 'two@gmail.com' => [ '10' ] ]; array_walk($arr, function (&$item, $key) { $item = "key: {$key}". PHP_EOL ."value: " . implode(" ", $item); }); echo implode(PHP_EOL . PHP_EOL, $arr);
Output for 7.1.25 - 7.1.30, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
key: one@gmail.com value: 70,80 90,100 key: two@gmail.com value: 10
preferences:
183.02 ms | 403 KiB | 170 Q