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@ 2017-07-10T15:50:10Z

<?php

$customPrice = [
    'x' => 'y'  
];

if (! empty($customPrice) && is_numeric($customPrice['min'])) {
    echo 'oi';
}

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)

preferences:dark modelive preview

33.64 ms | 402 KiB | 5 Q