<?php

//$loop is how many generated hex code you would want to have.

function genHex(int $loop):array {

			$hex = array();

			$list = '0123456789abcdef';

			for($i=0;$i<$loop;$i++){

				$h='#';

				for($k=0;$k<6;$k++){

					$rand = rand(0,strlen($list)-1);

					$l = str_split($list);

					$h.=$l[$rand];

				}

				$hex[$h] = $h;

			}

			return $hex;

		}

?>

function genHex(int $loop): array {

    $hexArray = [];

    

    for ($i = 0; $i < $loop; $i++) {

        $hexArray[] = sprintf('#%06X', mt_rand(0, 0xFFFFFF));

    }

    

    return $hexArray;

}

"if it works, then it's fine"