| 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 |