Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
||
| 19 | class ShortenNums |
||
| 20 | { |
||
| 21 | //private static $thousand_format; |
||
| 22 | //private static $million_format; |
||
| 23 | //private static $billion_format; |
||
| 24 | //private static $trillion_format; |
||
| 25 | // TODO: Add method to use $value / 999 for 999-999999 to return 0.9K instead of rounded it to 1K |
||
| 26 | /** |
||
| 27 | * |
||
| 28 | * @var array Max supported numbers. |
||
| 29 | */ |
||
| 30 | private static $tresholds = [ |
||
| 31 | 'K' => '999999', |
||
| 32 | 'M' => '999999999', |
||
| 33 | 'B' => '999999999999', |
||
| 34 | 'T' => '999999999999000', |
||
| 35 | ]; |
||
| 36 | /** |
||
| 37 | * |
||
| 38 | * @var array |
||
| 39 | */ |
||
| 40 | private static $formats = [ |
||
| 41 | 'K' => 1000, |
||
| 42 | 'M' => 1000000, |
||
| 43 | 'B' => 1000000000, |
||
| 44 | 'T' => 1000000000000, |
||
| 45 | ]; |
||
| 46 | |||
| 47 | /** |
||
| 48 | * Convert long number to readable Numbers 1000 => 1K |
||
| 49 | * |
||
| 50 | * @param string $value This should be pass as a string for now. |
||
| 51 | * @param int $precision Number of number after decimal point. |
||
| 52 | * @return string |
||
| 53 | */ |
||
| 54 | public static function formatNumber($value, $precision): string |
||
| 55 | { |
||
| 56 | // $treshold2 = 999; // If you want 0.9k for 999 |
||
| 57 | $suffix = ''; |
||
| 58 | $clean_number = ''; |
||
| 59 | // Check if value is a valid integer and does not start with 0, and force user to pass value as string |
||
| 60 | self::validateNumber($value); |
||
| 61 | self::validateRange($value, $range); |
||
|
|
|||
| 62 | foreach(self::$tresholds as $suffix => $treshold) { |
||
| 63 | if ($value < $treshold) { |
||
| 64 | //if (isset(self::$thousand_format)) |
||
| 65 | // $clean_number = $value / self::$thousand_format; |
||
| 66 | $clean_number = $value / self::$formats[$suffix]; |
||
| 67 | // Round and format number |
||
| 68 | //die(var_dump($clean_number, $formats[$suffix])); |
||
| 69 | break; |
||
| 70 | } |
||
| 71 | } |
||
| 72 | $formated_number = number_format($clean_number,$precision); |
||
| 73 | |||
| 74 | return (preg_match('/\d\.0$/', $formated_number)) ? rtrim(rtrim($formated_number,'0'), '.').$suffix : $formated_number.$suffix; |
||
| 75 | } |
||
| 76 | |||
| 77 | /** |
||
| 78 | * Convert 1000 => 1K, 10000 => 10K & 1000000 => 100K |
||
| 79 | * |
||
| 80 | * @param string $value |
||
| 81 | * @param int $precision Number of number after decimal point. |
||
| 82 | * @return string A string number formated as 1K-1.5K |
||
| 83 | */ |
||
| 84 | View Code Duplication | public static function formatThousand($value, $precision): string |
|
| 102 | |||
| 103 | /** |
||
| 104 | * Convert 1,000,000 place to 1M |
||
| 105 | * @param string $value |
||
| 106 | * @param int $precision Number of number after decimal point. |
||
| 107 | * @return string A string number formated as 1M-1.5M |
||
| 108 | */ |
||
| 109 | View Code Duplication | public static function formatMillion($value, $precision): string |
|
| 125 | |||
| 126 | /** |
||
| 127 | * Convert 1000,000,000 place to 1B |
||
| 128 | * @param string $value |
||
| 129 | * @param int $precision Number of number after decimal point. |
||
| 130 | * @return string A string number formated as 1B-1.5B |
||
| 131 | */ |
||
| 132 | View Code Duplication | public static function formatBillion($value, $precision): string |
|
| 148 | |||
| 149 | /** |
||
| 150 | * Convert 1,000,000,000,000 place to 1T |
||
| 151 | * @param string $value |
||
| 152 | * @param int $precision Number of number after decimal point. |
||
| 153 | * @return string A string number formated as 1B-1.5B |
||
| 154 | */ |
||
| 155 | View Code Duplication | public static function formatTrillion($value, $precision): string |
|
| 171 | |||
| 172 | |||
| 173 | /** |
||
| 174 | * The Current value is not yet suppoerted, typically it greater than the supported values |
||
| 175 | * @param string $value the invalid number |
||
| 176 | * @return string |
||
| 177 | */ |
||
| 178 | private static function notSupported($value): string |
||
| 182 | |||
| 183 | /** |
||
| 184 | * Validate number |
||
| 185 | * @param string $value |
||
| 186 | */ |
||
| 187 | private static function validateNumber($value) |
||
| 200 | |||
| 201 | private static function validateRange($value, $range) |
||
| 206 | } |
||
| 207 |
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.