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@ 2021-10-13T09:30:36Z

<?php

$a = [['city' => 'A'],['city' => 'B'],['city' => 'C']];

print_r(array_column($a, 'city', 'city'));

Output
Performance
VLD
References
Branches

array_column: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive previewkey bindings

97.38 ms | 1400 KiB | 5 Q