Conditions | 13 |
Paths | 16 |
Total Lines | 34 |
Code Lines | 25 |
Lines | 0 |
Ratio | 0 % |
Changes | 2 | ||
Bugs | 0 | Features | 1 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
1 | <?php |
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23 | public static function convertDateTime($dateInput) |
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24 | { |
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25 | $epoch = 1900; |
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26 | $norm = 300; |
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27 | $year = $month = $day = $offset = $seconds = 0; |
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28 | $dateTime = $dateInput; |
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29 | if (preg_match("/(\d{4})\-(\d{2})\-(\d{2})/", $dateTime, $matches)) { |
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30 | $year = $matches[1]; |
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31 | $month = $matches[2]; |
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32 | $day = $matches[3]; |
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33 | } |
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34 | $seconds = self::getSeconds($dateTime); |
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35 | if ("$year-$month-$day" == '1899-12-31' || "$year-$month-$day" == '1900-01-00') { |
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36 | return $seconds; |
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37 | } |
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38 | if ("$year-$month-$day" == '1900-02-29') { |
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39 | return 60 + $seconds; |
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40 | } |
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41 | $range = $year - $epoch; |
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42 | // check leapDay |
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43 | $leap = (new \DateTime($dateInput))->format('L'); |
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44 | $mDays = [31, ($leap ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; |
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45 | if (($year < $epoch || $year > 9999) || ($month < 1 || $month > 12) || $day < 1 || $day > $mDays[$month - 1]) { |
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46 | return 0; |
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47 | } |
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48 | $days = $day + ($range * 365) + array_sum(array_slice($mDays, 0, $month - 1)); |
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49 | $days += intval(($range) / 4) - intval(($range + $offset) / 100); |
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50 | $days += intval(($range + $offset + $norm) / 400) - intval($leap); |
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51 | if ($days > 59) { |
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52 | $days++; |
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53 | } |
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54 | |||
55 | return $days + $seconds; |
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56 | } |
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57 | |||
154 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.