<?php /** * Returns the index of the first match or -1 if not found. */ function arraySearch(array $array, string $search): int { foreach ($array as $key => $value) { if (strpos($value, $search) !== false) { return $key; } } return -1; } $unique_domains = [ 'www.crownworldwide.com', 'www.acquisition.gov', 'www.hemisphere-freight.com', 'www.businessinsider.com', 'www.oceansidelogistics.com', 'mixjet.aero', 'www.airindiaexpress.in', 'rlglobal.com', 'www.metroshipping.co.uk', 'www.flexport.com' ]; $position = arraySearch($unique_domains, 'flexport.com'); echo $position; // 9
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