Online PHP editor | output for nOUYb

<?php function normalizeIniBytes($val) { $val = trim($val); $last = strtolower(substr($val, -1, 1)); if (ord($last) < 0x30 || ord($last) > 0x39) { $bytes = substr($val, 0, -1); switch ($last) { case 'g': $bytes *= 1024; // fall through case 'm': $bytes *= 1024; // fall through case 'k': $bytes *= 1024; break; } } else { $bytes = $val; } if ($bytes >= (1 << 30)) { return ($bytes >> 30) . 'GB'; } elseif ($bytes >= (1 << 20)) { return ($bytes >> 20) . 'MB'; } elseif ($bytes >= (1 << 10)) { return ($bytes >> 10) . 'KB'; } return $bytes . 'B'; } echo normalizeIniBytes("1") . "\n"; echo normalizeIniBytes("10") . "\n"; echo normalizeIniBytes("1024") . "\n"; echo normalizeIniBytes("1K") . "\n"; echo normalizeIniBytes("1048576") . "\n"; echo normalizeIniBytes("1024K") . "\n"; echo normalizeIniBytes("1M") . "\n"; echo normalizeIniBytes("1023M") . "\n"; echo normalizeIniBytes("1G") . "\n";