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@ 2022-09-06T21:07:04Z

<?php

$data = [
    'NUM' => [
        101,
        102,
        103,
    ],
    'NOM' => [
        'Smith',
        'Robson',
        'Daniels',
    ],
    'PRENOM' => [
        'Alice',
        'Bob',
        'Charlie',
    ],
];

$result = [];
foreach ($data as $k => $row) {
    foreach ($row as $i => $v) {
        if (!isset($result[$i])) {
            $result[$i] = '';
        } else {
            $result[$i] .= ' ';
        }
        $result[$i] .= "$k:$v";
    }
}
echo implode(PHP_EOL, $result);

Output
Performance
VLD
References
Branches

implode: documentation ( source)

preferences:dark modelive previewkey bindings

31.68 ms | 404 KiB | 5 Q