Conditions | 13 |
Paths | 240 |
Total Lines | 138 |
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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61 | public function clearByXssAttributes() |
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62 | { |
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63 | // EDIT: modify this to whatever you need. |
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64 | $allowedAttrs = ['id', 'class']; |
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65 | $allowed = [ |
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66 | 'img[src|alt|title|width|height|style|data-mce-src|data-mce-json]', |
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67 | 'figure', 'figcaption', 'small[style]', |
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68 | 'video[src|type|width|height|poster|preload|controls]', 'source[src|type]', |
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69 | 'a[href|target]', |
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70 | 'iframe[width|height|src|frameborder|allowfullscreen]', |
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71 | 'strong', 'b', 'i', 'u', 'em', 'br', 'font', |
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72 | 'h1[style]', 'h2[style]', 'h3[style]', 'h4[style]', 'h5[style]', 'h6[style]', |
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73 | 'p[style]', 'div[style]', 'center', 'address[style]', |
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74 | 'span[style]', 'pre[style]', |
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75 | 'ul[style|class]', 'ol[style|class]', 'li[style|class]', |
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76 | 'table[width|height|border|style]', 'th[width|height|border|style]', |
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77 | 'tr[width|height|border|style]', 'td[width|height|border|style]', |
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78 | 'hr[style|class]', 'section[style|class]', 'nav[style|class]', 'article[style|class]', |
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79 | 'aside[style|class]', 'header[style|class]', 'footer[style|class]', |
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80 | 'address', 'hgroup', 'figure', 'figcaption', |
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81 | 'video[src|type|width|height|poster|preload|controls|loop|autoplay]', |
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82 | 's', 'var', 'sub', 'sup', 'mark', 'wbr', 'ins', 'del', 'blockquote', 'q', '*[style|class|id|width|height|alt|title|target|src]', |
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83 | ]; |
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84 | foreach ($allowed as $key => $element) { |
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85 | foreach ($allowedAttrs as $attr) { |
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86 | if (false === strpos($element, $attr . '|') && false === strpos($element, '|' . $attr)) { |
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87 | $allowed[$key] = $element = str_replace(']', '|' . $attr . ']', $element); |
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88 | } |
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89 | } |
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90 | } |
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91 | |||
92 | if (is_callable($this->allowedFilter)) { |
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93 | $allowed = call_user_func_array($this->allowedFilter, ['self' => $this, 'allowed' => $allowed]); |
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94 | } |
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95 | |||
96 | $config = HTMLPurifier_Config::createDefault(); |
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97 | $config->set('HTML.Doctype', 'HTML 4.01 Transitional'); |
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98 | $config->set('CSS.AllowTricky', true); |
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99 | $config->set('Cache.SerializerPath', '/tmp'); |
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100 | // Allow iframes from: |
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101 | // o YouTube.com |
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102 | // o Vimeo.com |
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103 | $config->set('HTML.SafeIframe', true); |
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104 | $config->set('URI.SafeIframeRegexp', '%^(https?:)?(http?:)?//(www.youtube.|player.vimeo.|maps.google.|www.slideshare.)%'); |
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105 | // $config->set('URI.SafeIframeRegexp', '%^(http:|https:)?//(www.youtube(?:-nocookie)?.com/embed/|player.vimeo.com/video/)%'); |
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106 | $config->set('Attr.AllowedFrameTargets', [ |
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107 | '_blank', |
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108 | '_self', |
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109 | '_parent', |
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110 | '_top', |
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111 | ]); |
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112 | $config->set('URI.AllowedSchemes', [ |
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113 | 'http' => true, |
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114 | 'https' => true, |
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115 | 'mailto' => true, |
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116 | 'target' => true, |
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117 | 'ftp' => true, |
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118 | ]); |
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119 | $config->set('Attr.EnableID', true); |
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120 | $config->set('HTML.Allowed', implode(',', $allowed)); |
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121 | // Set some HTML5 properties |
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122 | if ($def = $config->getHTMLDefinition(true)) { |
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123 | // http://developers.whatwg.org/sections.html |
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124 | $def->addElement('section', 'Block', 'Flow', 'Common'); |
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125 | $def->addElement('nav', 'Block', 'Flow', 'Common'); |
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126 | $def->addElement('article', 'Block', 'Flow', 'Common'); |
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127 | $def->addElement('aside', 'Block', 'Flow', 'Common'); |
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128 | $def->addElement('header', 'Block', 'Flow', 'Common'); |
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129 | $def->addElement('footer', 'Block', 'Flow', 'Common'); |
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130 | // Content model actually excludes several tags, not modelled here |
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131 | $def->addElement('address', 'Block', 'Flow', 'Common'); |
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132 | $def->addElement('hgroup', 'Block', 'Required: h1 | h2 | h3 | h4 | h5 | h6', 'Common'); |
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133 | // http://developers.whatwg.org/grouping-content.html |
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134 | $def->addElement('figure', 'Block', 'Optional: (figcaption, Flow) | (Flow, figcaption) | Flow', 'Common'); |
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135 | $def->addElement('figcaption', 'Inline', 'Flow', 'Common'); |
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136 | // http://developers.whatwg.org/the-video-element.html#the-video-element |
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137 | $def->addElement('video', 'Block', 'Optional: (source, Flow) | (Flow, source) | Flow', 'Common', [ |
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138 | 'src' => 'URI', |
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139 | 'type' => 'Text', |
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140 | 'width' => 'Length', |
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141 | 'height' => 'Length', |
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142 | 'poster' => 'URI', |
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143 | 'preload' => 'Enum#auto,metadata,none', |
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144 | 'controls' => 'Bool', |
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145 | ]); |
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146 | $def->addElement('source', 'Block', 'Flow', 'Common', [ |
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147 | 'src' => 'URI', |
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148 | 'type' => 'Text', |
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149 | ]); |
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150 | // http://developers.whatwg.org/text-level-semantics.html |
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151 | $def->addElement('s', 'Inline', 'Inline', 'Common'); |
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152 | $def->addElement('var', 'Inline', 'Inline', 'Common'); |
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153 | $def->addElement('sub', 'Inline', 'Inline', 'Common'); |
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154 | $def->addElement('sup', 'Inline', 'Inline', 'Common'); |
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155 | $def->addElement('mark', 'Inline', 'Inline', 'Common'); |
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156 | $def->addElement('wbr', 'Inline', 'Empty', 'Core'); |
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157 | // http://developers.whatwg.org/edits.html |
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158 | $def->addElement('ins', 'Block', 'Flow', 'Common', ['cite' => 'URI', 'datetime' => 'CDATA']); |
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159 | $def->addElement('del', 'Block', 'Flow', 'Common', ['cite' => 'URI', 'datetime' => 'CDATA']); |
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160 | // TinyMCE |
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161 | $def->addAttribute('img', 'data-mce-src', 'Text'); |
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162 | $def->addAttribute('img', 'data-mce-json', 'Text'); |
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163 | //video |
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164 | $def->addAttribute('video', 'loop', 'Text'); |
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165 | $def->addAttribute('video', 'autoplay', 'Text'); |
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166 | // Others |
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167 | $def->addAttribute('iframe', 'allowfullscreen', 'Bool'); |
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168 | $def->addAttribute('table', 'height', 'Text'); |
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169 | $def->addAttribute('td', 'border', 'Text'); |
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170 | $def->addAttribute('th', 'border', 'Text'); |
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171 | $def->addAttribute('tr', 'width', 'Text'); |
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172 | $def->addAttribute('tr', 'height', 'Text'); |
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173 | $def->addAttribute('tr', 'border', 'Text'); |
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174 | |||
175 | if (is_callable($this->defFilter)) { |
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176 | $def = call_user_func_array($this->defFilter, ['self' => $this, 'def' => $def]); |
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177 | } |
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178 | } |
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179 | if (is_callable($this->configFilter)) { |
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180 | $config = call_user_func_array($this->configFilter, ['self' => $this, 'config' => $config]); |
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181 | } |
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182 | $p = new HTMLPurifier($config); |
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183 | |||
184 | $attributes = []; |
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185 | foreach ($this->owner->getAttributes() as $key => $value) { |
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186 | if (!in_array($key, $this->attributesExclude)) { |
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187 | if (null !== $value) { |
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188 | if (is_array($value)) { |
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189 | $attributes[$key] = @unserialize($p->purify(serialize($value))); |
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190 | } else { |
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191 | $attributes[$key] = $p->purify($value); |
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192 | } |
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193 | } |
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194 | } |
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195 | } |
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196 | |||
197 | $this->owner->setAttributes($attributes); |
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198 | } |
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199 | } |
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200 |
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.