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@ 2022-07-31T08:16:06Z

<?php

$phones = [
    'Apple iPhone 4',
    'Apple iPhone 5',
    'Samsung Galaxy S6'
];

$result = [];
foreach ($phones as $item) {
    [$key, $result[$key][]] = explode(' ', $item, 2);
}
var_export($result);

Output
Performance
VLD
References
Branches

var_export: documentation ( source)
explode: documentation ( source)

preferences:dark modelive previewkey bindings

25.62 ms | 405 KiB | 5 Q