| Conditions | 46 | 
| Paths | 139 | 
| Total Lines | 89 | 
| 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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| 11 |     protected function parseImplementation($var, $type, $allow_null) { | 
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| 12 | if ($allow_null && $var === null) return null;  | 
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| 13 |         switch ($type) { | 
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| 14 | // Note: if code "breaks" from the switch, it triggers a generic  | 
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| 15 | // exception to be thrown. Specific errors can be specifically  | 
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| 16 | // done here.  | 
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| 17 | case self::MIXED :  | 
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| 18 | case self::ISTRING :  | 
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| 19 | case self::STRING :  | 
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| 20 | case self::TEXT :  | 
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| 21 | case self::ITEXT :  | 
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| 22 | return $var;  | 
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| 23 | case self::INT :  | 
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| 24 | if (is_string($var) && ctype_digit($var)) $var = (int) $var;  | 
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| 25 | return $var;  | 
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| 26 | case self::FLOAT :  | 
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| 27 | if ((is_string($var) && is_numeric($var)) || is_int($var)) $var = (float) $var;  | 
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| 28 | return $var;  | 
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| 29 | case self::BOOL :  | 
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| 30 |                 if (is_int($var) && ($var === 0 || $var === 1)) { | 
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| 31 | $var = (bool) $var;  | 
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| 32 |                 } elseif (is_string($var)) { | 
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| 33 |                     if ($var == 'on' || $var == 'true' || $var == '1') { | 
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| 34 | $var = true;  | 
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| 35 |                     } elseif ($var == 'off' || $var == 'false' || $var == '0') { | 
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| 36 | $var = false;  | 
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| 37 |                     } else { | 
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| 38 |                         throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type"); | 
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| 39 | }  | 
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| 40 | }  | 
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| 41 | return $var;  | 
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| 42 | case self::ALIST :  | 
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| 43 | case self::HASH :  | 
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| 44 | case self::LOOKUP :  | 
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| 45 |                 if (is_string($var)) { | 
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| 46 | // special case: technically, this is an array with  | 
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| 47 | // a single empty string item, but having an empty  | 
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| 48 | // array is more intuitive  | 
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| 49 | if ($var == '') return array();  | 
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| 50 |                     if (strpos($var, "\n") === false && strpos($var, "\r") === false) { | 
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| 51 | // simplistic string to array method that only works  | 
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| 52 | // for simple lists of tag names or alphanumeric characters  | 
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| 53 |                         $var = explode(',',$var); | 
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| 54 |                     } else { | 
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| 55 |                         $var = preg_split('/(,|[\n\r]+)/', $var); | 
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| 56 | }  | 
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| 57 | // remove spaces  | 
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| 58 | foreach ($var as $i => $j) $var[$i] = trim($j);  | 
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| 59 |                     if ($type === self::HASH) { | 
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| 60 | // key:value,key2:value2  | 
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| 61 | $nvar = array();  | 
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| 62 |                         foreach ($var as $keypair) { | 
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| 63 |                             $c = explode(':', $keypair, 2); | 
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| 64 | if (!isset($c[1])) continue;  | 
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| 65 | $nvar[trim($c[0])] = trim($c[1]);  | 
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| 66 | }  | 
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| 67 | $var = $nvar;  | 
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| 68 | }  | 
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| 69 | }  | 
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| 70 | if (!is_array($var)) break;  | 
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| 71 | $keys = array_keys($var);  | 
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| 72 |                 if ($keys === array_keys($keys)) { | 
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| 73 | if ($type == self::ALIST) return $var;  | 
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| 74 |                     elseif ($type == self::LOOKUP) { | 
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| 75 | $new = array();  | 
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| 76 |                         foreach ($var as $key) { | 
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| 77 | $new[$key] = true;  | 
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| 78 | }  | 
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| 79 | return $new;  | 
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| 80 | } else break;  | 
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| 81 | }  | 
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| 82 |                 if ($type === self::ALIST) { | 
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| 83 |                     trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING); | 
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| 84 | return array_values($var);  | 
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| 85 | }  | 
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| 86 |                 if ($type === self::LOOKUP) { | 
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| 87 |                     foreach ($var as $key => $value) { | 
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| 88 |                         if ($value !== true) { | 
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| 89 |                             trigger_error("Lookup array has non-true value at key '$key'; maybe your input array was not indexed numerically", E_USER_WARNING); | 
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| 90 | }  | 
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| 91 | $var[$key] = true;  | 
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| 92 | }  | 
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| 93 | }  | 
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| 94 | return $var;  | 
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| 95 | default:  | 
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| 96 | $this->errorInconsistent(__CLASS__, $type);  | 
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| 97 | }  | 
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| 98 | $this->errorGeneric($var, $type);  | 
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| 99 | }  | 
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| 100 | |||
| 104 |