<?php $arr = [1,25,60,100,110,150,155,167]; $range = []; foreach(array_chunk($arr, 2) as $rng){ $range = array_merge($range, range($rng[0], $rng[1])); } echo $range[array_rand($range)] . PHP_EOL; // Or shuffle($range); var_dump(array_slice($range, 0,10));
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