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<?php function getRange($ip) { $split = explode('.',$ip); $final = array(); foreach ($split as $block) { $pos = strpos($block, '*'); if ($pos !== false) { $num = substr($block, 0, $pos); $l = strlen($block); $min = (int) min(255,str_pad($num,3,'0')); $max = (int) min(255,str_pad($num,3,'9')); $minip = $final; $minip[] = $min; $minip = array_pad($minip, 4, 0); $maxip = $final; $maxip[] = $max; $maxip = array_pad($maxip, 4, 255); return array(implode('.',$minip),implode('.',$maxip)); } $final[] = $block; } return array(implode('.',$final),implode('.',$final)); // No range found. } print_R(getRange("255.55*.0.1"));

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