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<?php |
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declare(strict_types=1); |
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namespace cse\helpers; |
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/** |
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* Class MathConverter |
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* |
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* @package cse\helpers |
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*/ |
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class MathConverter |
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{ |
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const DEFAULT_DECIMAL = 2; |
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/** |
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* Convert hex to binary |
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* |
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* @param string $hex |
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* |
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* @return string |
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*/ |
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public static function hexToBin(string $hex): string |
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{ |
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return pack('H*' , $hex); |
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} |
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/** |
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* Convert binary ot hex |
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* |
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* @param string $bin |
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* |
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* @return string |
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*/ |
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public static function binToHex(string $bin): string |
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{ |
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$hex = ''; |
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$i = 0; |
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do { |
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$hex .= sprintf('%02x', ord($bin{$i})); |
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$i++; |
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} while ($i < strlen($bin)); |
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return $hex; |
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} |
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/** |
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* Convert megabytes to bytes |
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* |
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* @param $megaBytes |
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* |
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* @return mixed |
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*/ |
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public static function mbToBytes($megaBytes) |
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{ |
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return $megaBytes * pow(1024, 2); |
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} |
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/** |
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* Convert bytes to megabytes |
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* |
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* @param int $bytes |
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* @param int $decimal |
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* |
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* @return float |
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*/ |
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public static function bytesToMb(int $bytes, int $decimal = self::DEFAULT_DECIMAL): float |
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{ |
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return round($bytes / pow(1024, 2), $decimal); |
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} |
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/** |
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* Convert gigabytes to bytes |
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* |
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* @param $gigaBytes |
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* |
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* @return mixed |
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*/ |
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public static function gbToBytes($gigaBytes) |
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{ |
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return $gigaBytes * pow(1024, 3); |
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} |
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/** |
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* Convert bytes to gigabytes |
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* |
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* @param int $bytes |
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* @param int $decimal |
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* |
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* @return float |
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*/ |
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public static function bytesToGb(int $bytes, int $decimal = self::DEFAULT_DECIMAL): float |
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{ |
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return round($bytes / pow(1024, 3), $decimal); |
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} |
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/** |
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* Convert gigabytes to megabytes |
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* |
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* @param $gigaBytes |
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* |
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* @return mixed |
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*/ |
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public static function gbToMb($gigaBytes) |
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{ |
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return $gigaBytes * 1024; |
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} |
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/** |
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* Convert megabytes to gigabytes |
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* |
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* @param $megaBytes |
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* @param int $decimal |
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* |
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* @return float |
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*/ |
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public static function mbToGb($megaBytes, int $decimal = self::DEFAULT_DECIMAL): float |
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{ |
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return round($megaBytes / 1024, $decimal); |
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} |
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/** |
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* Convert to megabyte |
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* |
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* @param string $value |
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* |
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* @return float|int|string |
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*/ |
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public static function toMb(string $value) |
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{ |
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$value = trim($value); |
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$units = strtolower($value[strlen($value) - 1]); |
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$value = floatval($value); |
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switch ($units) { |
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case 'p': |
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$value *= pow(1024, 3); |
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break; |
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case 't': |
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$value *= pow(1024, 2); |
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break; |
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case 'g': |
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$value *= 1024; |
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break; |
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case 'm': |
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break; |
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case 'k': |
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$value /= 1024; |
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break; |
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case 'b': |
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$value /= pow(1024, 2); |
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} |
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return $value; |
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} |
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/** |
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* Cut decimal |
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* |
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* @param $number |
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* @param int $decimal |
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* @param string $delimiter |
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* |
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* @return float |
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*/ |
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public static function cutDecimal($number, int $decimal = self::DEFAULT_DECIMAL, string $delimiter = '.'): float |
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{ |
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$format = explode($delimiter, (string) $number); |
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if (empty($format[1]) || $decimal == strlen($format[1])) return (float) $number; |
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$format[1] = substr($format[1], 0, $decimal - strlen($format[1])); |
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return (float) implode($delimiter, $format); |
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} |
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/** |
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* Round decimal |
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* |
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* @param $number |
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* @param int $decimal |
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* |
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* @return float |
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*/ |
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public static function roundDecimal($number, int $decimal = self::DEFAULT_DECIMAL): float |
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{ |
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$delimiter = pow(10, $decimal); |
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return round(ceil($number * $delimiter) / $delimiter, $decimal); |
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} |
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} |