Conditions | 19 |
Paths | 194 |
Total Lines | 89 |
Code Lines | 47 |
Lines | 0 |
Ratio | 0 % |
Changes | 2 | ||
Bugs | 0 | Features | 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 declare(strict_types=1); |
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57 | public static function truncateHtml($text, $length = 100, $ending = '...', $exact = false, $considerHtml = true) |
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58 | { |
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59 | if ($considerHtml) { |
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60 | // if the plain text is shorter than the maximum length, return the whole text |
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61 | if (mb_strlen(\preg_replace('/<.*?' . '>/', '', $text)) <= $length) { |
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62 | return $text; |
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63 | } |
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64 | // splits all html-tags to scanable lines |
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65 | \preg_match_all('/(<.+?' . '>)?([^<>]*)/s', $text, $lines, \PREG_SET_ORDER); |
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66 | $total_length = mb_strlen($ending); |
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67 | $open_tags = []; |
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68 | $truncate = ''; |
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69 | foreach ($lines as $line_matchings) { |
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70 | // if there is any html-tag in this line, handle it and add it (uncounted) to the output |
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71 | if (!empty($line_matchings[1])) { |
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72 | // if it's an "empty element" with or without xhtml-conform closing slash |
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73 | if (\preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $line_matchings[1])) { |
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74 | // do nothing |
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75 | // if tag is a closing tag |
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76 | } elseif (\preg_match('/^<\s*\/(\S+?)\s*>$/s', $line_matchings[1], $tag_matchings)) { |
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77 | // delete tag from $open_tags list |
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78 | $pos = \array_search($tag_matchings[1], $open_tags, true); |
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79 | if (false !== $pos) { |
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80 | unset($open_tags[$pos]); |
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81 | } |
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82 | // if tag is an opening tag |
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83 | } elseif (\preg_match('/^<\s*([^\s>!]+).*?' . '>$/s', $line_matchings[1], $tag_matchings)) { |
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84 | // add tag to the beginning of $open_tags list |
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85 | \array_unshift($open_tags, \mb_strtolower($tag_matchings[1])); |
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86 | } |
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87 | // add html-tag to $truncate'd text |
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88 | $truncate .= $line_matchings[1]; |
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89 | } |
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90 | // calculate the length of the plain text part of the line; handle entities as one character |
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91 | $content_length = mb_strlen(\preg_replace('/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2])); |
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92 | if ($total_length + $content_length > $length) { |
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93 | // the number of characters which are left |
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94 | $left = $length - $total_length; |
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95 | $entities_length = 0; |
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96 | // search for html entities |
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97 | if (\preg_match_all('/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, \PREG_OFFSET_CAPTURE)) { |
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98 | // calculate the real length of all entities in the legal range |
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99 | foreach ($entities[0] as $entity) { |
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100 | if ($left >= $entity[1] + 1 - $entities_length) { |
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101 | $left--; |
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102 | $entities_length += mb_strlen($entity[0]); |
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103 | } else { |
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104 | // no more characters left |
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105 | break; |
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106 | } |
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107 | } |
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108 | } |
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109 | $truncate .= mb_substr($line_matchings[2], 0, $left + $entities_length); |
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110 | // maximum lenght is reached, so get off the loop |
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111 | break; |
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112 | } |
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113 | $truncate .= $line_matchings[2]; |
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114 | $total_length += $content_length; |
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115 | |||
116 | // if the maximum length is reached, get off the loop |
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117 | if ($total_length >= $length) { |
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118 | break; |
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119 | } |
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120 | } |
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121 | } else { |
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122 | if (mb_strlen($text) <= $length) { |
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123 | return $text; |
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124 | } |
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125 | $truncate = mb_substr($text, 0, $length - mb_strlen($ending)); |
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126 | } |
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127 | // if the words shouldn't be cut in the middle... |
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128 | if (!$exact) { |
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129 | // ...search the last occurance of a space... |
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130 | $spacepos = mb_strrpos($truncate, ' '); |
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131 | if (isset($spacepos)) { |
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132 | // ...and cut the text in this position |
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133 | $truncate = mb_substr($truncate, 0, $spacepos); |
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134 | } |
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135 | } |
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136 | // add the defined ending to the text |
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137 | $truncate .= $ending; |
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138 | if ($considerHtml) { |
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139 | // close all unclosed html-tags |
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140 | foreach ($open_tags as $tag) { |
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141 | $truncate .= '</' . $tag . '>'; |
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142 | } |
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143 | } |
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144 | |||
145 | return $truncate; |
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146 | } |
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247 |