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<?php
if (!function_exists('extract_bssid')) {
/**
* Extracting bssid from passed string.
*
* @param string $string
* @param int $matchColumn
* @return array
*/
function extract_bssid(string $string, int $matchColumn): array
{
$extractedBssid = [];
preg_match_all(
'/(\w{2}:\w{2}:\w{2}:\w{2}:\w{2}:\w{2})/',
$string,
$extractedBssid
);
return array_unique(array_column($extractedBssid, $matchColumn));
}
if (!function_exists('to_hex')) {
* Converting string to hex.
* @return string
function to_hex(string $string): string
$len = strlen($string);
$hex = '';
for ($i = 0; $i < $len; $i++) {
$hex .= substr('0'.dechex(ord($string[$i])), -2);
return strtoupper($hex);
sanchescom /
php-wifi
