Conditions | 26 |
Paths | 656 |
Total Lines | 55 |
Code Lines | 39 |
Lines | 0 |
Ratio | 0 % |
Changes | 0 |
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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37 | public function generate(int $length = 6, int $type = 1): string |
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38 | { |
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39 | // 取字符集数组 |
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40 | $number = range(0, 9); |
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41 | $lowerLetter = range('a', 'z'); |
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42 | $upperLetter = range('A', 'Z'); |
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43 | // 根据type合并字符集 |
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44 | if ($type === 1) { |
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45 | $charset = $number; |
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46 | } elseif ($type === 2) { |
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47 | $charset = $lowerLetter; |
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48 | } elseif ($type === 3) { |
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49 | $charset = $upperLetter; |
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50 | } elseif ($type === 4) { |
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51 | $charset = array_merge($number, $lowerLetter); |
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52 | } elseif ($type === 5) { |
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53 | $charset = array_merge($number, $upperLetter); |
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54 | } elseif ($type === 6) { |
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55 | $charset = array_merge($lowerLetter, $upperLetter); |
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56 | } elseif ($type === 7) { |
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57 | $charset = array_merge($number, $lowerLetter, $upperLetter); |
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58 | } else { |
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59 | $charset = $number; |
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60 | } |
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61 | $str = ''; |
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62 | // 生成字符串 |
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63 | for ($i = 0; $i < $length; $i++) { |
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64 | $str .= $charset[random_int(0, count($charset) - 1)]; |
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65 | // 验证规则 |
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66 | if ($type === 4 && strlen($str) >= 2) { |
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67 | if (!preg_match('/\d+/', $str) || !preg_match('/[a-z]+/', $str)) { |
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68 | $str = substr($str, 0, -1); |
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69 | --$i; |
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70 | } |
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71 | } |
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72 | if ($type === 5 && strlen($str) >= 2) { |
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73 | if (!preg_match('/\d+/', $str) || !preg_match('/[A-Z]+/', $str)) { |
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74 | $str = substr($str, 0, -1); |
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75 | --$i; |
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76 | } |
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77 | } |
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78 | if ($type === 6 && strlen($str) >= 2) { |
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79 | if (!preg_match('/[a-z]+/', $str) || !preg_match('/[A-Z]+/', $str)) { |
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80 | $str = substr($str, 0, -1); |
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81 | --$i; |
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82 | } |
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83 | } |
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84 | if ($type === 7 && strlen($str) >= 3) { |
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85 | if (!preg_match('/\d+/', $str) || !preg_match('/[a-z]+/', $str) || !preg_match('/[A-Z]+/', $str)) { |
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86 | $str = substr($str, 0, -2); |
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87 | $i -= 2; |
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88 | } |
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89 | } |
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90 | } |
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91 | return $str; |
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92 | } |
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94 |