Conditions | 46 |
Paths | 139 |
Total Lines | 110 |
Code Lines | 76 |
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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17 | protected function parseImplementation($var, $type, $allow_null) |
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18 | { |
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19 | if ($allow_null && $var === null) { |
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20 | return null; |
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21 | } |
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22 | switch ($type) { |
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23 | // Note: if code "breaks" from the switch, it triggers a generic |
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24 | // exception to be thrown. Specific errors can be specifically |
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25 | // done here. |
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26 | case self::C_MIXED: |
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27 | case self::ISTRING: |
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28 | case self::C_STRING: |
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29 | case self::TEXT: |
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30 | case self::ITEXT: |
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31 | return $var; |
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32 | case self::C_INT: |
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33 | if (is_string($var) && ctype_digit($var)) { |
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34 | $var = (int)$var; |
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35 | } |
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36 | return $var; |
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37 | case self::C_FLOAT: |
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38 | if ((is_string($var) && is_numeric($var)) || is_int($var)) { |
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39 | $var = (float)$var; |
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40 | } |
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41 | return $var; |
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42 | case self::C_BOOL: |
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43 | if (is_int($var) && ($var === 0 || $var === 1)) { |
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44 | $var = (bool)$var; |
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45 | } elseif (is_string($var)) { |
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46 | if ($var == 'on' || $var == 'true' || $var == '1') { |
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47 | $var = true; |
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48 | } elseif ($var == 'off' || $var == 'false' || $var == '0') { |
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49 | $var = false; |
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50 | } else { |
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51 | throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type"); |
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52 | } |
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53 | } |
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54 | return $var; |
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55 | case self::ALIST: |
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56 | case self::HASH: |
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57 | case self::LOOKUP: |
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58 | if (is_string($var)) { |
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59 | // special case: technically, this is an array with |
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60 | // a single empty string item, but having an empty |
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61 | // array is more intuitive |
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62 | if ($var == '') { |
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63 | return array(); |
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64 | } |
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65 | if (strpos($var, "\n") === false && strpos($var, "\r") === false) { |
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66 | // simplistic string to array method that only works |
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67 | // for simple lists of tag names or alphanumeric characters |
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68 | $var = explode(',', $var); |
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69 | } else { |
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70 | $var = preg_split('/(,|[\n\r]+)/', $var); |
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71 | } |
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72 | // remove spaces |
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73 | foreach ($var as $i => $j) { |
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74 | $var[$i] = trim($j); |
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75 | } |
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76 | if ($type === self::HASH) { |
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77 | // key:value,key2:value2 |
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78 | $nvar = array(); |
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79 | foreach ($var as $keypair) { |
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80 | $c = explode(':', $keypair, 2); |
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81 | if (!isset($c[1])) { |
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82 | continue; |
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83 | } |
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84 | $nvar[trim($c[0])] = trim($c[1]); |
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85 | } |
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86 | $var = $nvar; |
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87 | } |
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88 | } |
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89 | if (!is_array($var)) { |
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90 | break; |
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91 | } |
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92 | $keys = array_keys($var); |
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93 | if ($keys === array_keys($keys)) { |
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94 | if ($type == self::ALIST) { |
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95 | return $var; |
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96 | } elseif ($type == self::LOOKUP) { |
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97 | $new = array(); |
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98 | foreach ($var as $key) { |
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99 | $new[$key] = true; |
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100 | } |
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101 | return $new; |
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102 | } else { |
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103 | break; |
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104 | } |
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105 | } |
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106 | if ($type === self::ALIST) { |
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107 | trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING); |
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108 | return array_values($var); |
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109 | } |
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110 | if ($type === self::LOOKUP) { |
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111 | foreach ($var as $key => $value) { |
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112 | if ($value !== true) { |
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113 | trigger_error( |
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114 | "Lookup array has non-true value at key '$key'; " . |
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115 | "maybe your input array was not indexed numerically", |
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116 | E_USER_WARNING |
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117 | ); |
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118 | } |
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119 | $var[$key] = true; |
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120 | } |
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121 | } |
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122 | return $var; |
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123 | default: |
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124 | $this->errorInconsistent(__CLASS__, $type); |
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125 | } |
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126 | $this->errorGeneric($var, $type); |
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127 | } |
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131 |