mambax7 /
adslight
| Conditions | 19 |
| Paths | 194 |
| Total Lines | 107 |
| Code Lines | 62 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 1 | 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 |
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| 54 | public static function truncateHtml($text, $length = 100, $ending = '...', $exact = false, $considerHtml = true): string |
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| 55 | { |
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| 56 | if ($considerHtml) { |
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| 57 | // if the plain text is shorter than the maximum length, return the whole text |
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| 58 | if (\mb_strlen( |
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| 59 | \preg_replace('/<.*?' . '>/', '', $text) |
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| 60 | ) <= $length) { |
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| 61 | return $text; |
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| 62 | } |
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| 63 | // splits all html-tags to scanable lines |
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| 64 | \preg_match_all( |
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| 65 | '/(<.+?' . '>)?([^<>]*)/s', |
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| 66 | $text, |
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| 67 | $lines, |
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| 68 | \PREG_SET_ORDER |
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| 69 | ); |
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| 70 | $total_length = \mb_strlen($ending); |
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| 71 | $open_tags = []; |
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| 72 | $truncate = ''; |
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| 73 | foreach ($lines as $line_matchings) { |
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| 74 | // if there is any html-tag in this line, handle it and add it (uncounted) to the output |
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| 75 | if (!empty($line_matchings[1])) { |
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| 76 | // if it's an "empty element" with or without xhtml-conform closing slash |
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| 77 | if (\preg_match( |
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| 78 | '/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', |
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| 79 | $line_matchings[1] |
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| 80 | )) { |
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| 81 | // do nothing |
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| 82 | // if tag is a closing tag |
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| 83 | } elseif (\preg_match('#^<\s*\/(\S+?)\s*>$#s', $line_matchings[1], $tag_matchings)) { |
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| 84 | // delete tag from $open_tags list |
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| 85 | $pos = \array_search($tag_matchings[1], $open_tags, true); |
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| 86 | if (false !== $pos) { |
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| 87 | unset($open_tags[$pos]); |
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| 88 | } |
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| 89 | // if tag is an opening tag |
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| 90 | } elseif (\preg_match('/^<\s*([^\s>!]+).*?' . '>$/s', $line_matchings[1], $tag_matchings)) { |
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| 91 | // add tag to the beginning of $open_tags list |
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| 92 | \array_unshift( |
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| 93 | $open_tags, |
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| 94 | \mb_strtolower($tag_matchings[1]) |
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| 95 | ); |
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| 96 | } |
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| 97 | // add html-tag to $truncate'd text |
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| 98 | $truncate .= $line_matchings[1]; |
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| 99 | } |
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| 100 | // calculate the length of the plain text part of the line; handle entities as one character |
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| 101 | $content_length = \mb_strlen( |
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| 102 | \preg_replace('/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2]) |
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| 103 | ); |
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| 104 | if ($total_length + $content_length > $length) { |
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| 105 | // the number of characters which are left |
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| 106 | $left = $length - $total_length; |
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| 107 | $entities_length = 0; |
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| 108 | // search for html entities |
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| 109 | if (\preg_match_all( |
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| 110 | '/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', |
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| 111 | $line_matchings[2], |
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| 112 | $entities, |
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| 113 | \PREG_OFFSET_CAPTURE |
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| 114 | )) { |
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| 115 | // calculate the real length of all entities in the legal range |
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| 116 | foreach ($entities[0] as $entity) { |
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| 117 | if ($left >= $entity[1] + 1 - $entities_length) { |
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| 118 | $left--; |
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| 119 | $entities_length += \mb_strlen($entity[0]); |
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| 120 | } else { |
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| 121 | // no more characters left |
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| 122 | break; |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | $truncate .= \mb_substr($line_matchings[2], 0, $left + $entities_length); |
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| 127 | // maximum lenght is reached, so get off the loop |
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| 128 | break; |
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| 129 | } |
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| 130 | $truncate .= $line_matchings[2]; |
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| 131 | $total_length += $content_length; |
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| 132 | // if the maximum length is reached, get off the loop |
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| 133 | if ($total_length >= $length) { |
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| 134 | break; |
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| 135 | } |
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| 136 | } |
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| 137 | } else { |
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| 138 | if (\mb_strlen($text) <= $length) { |
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| 139 | return $text; |
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| 140 | } |
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| 141 | $truncate = \mb_substr($text, 0, $length - \mb_strlen($ending)); |
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| 142 | } |
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| 143 | // if the words shouldn't be cut in the middle... |
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| 144 | if (!$exact) { |
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| 145 | // ...search the last occurance of a space... |
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| 146 | $spacepos = \mb_strrpos($truncate, ' '); |
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| 147 | if (isset($spacepos)) { |
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| 148 | // ...and cut the text in this position |
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| 149 | $truncate = \mb_substr($truncate, 0, $spacepos); |
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| 150 | } |
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| 151 | } |
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| 152 | // add the defined ending to the text |
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| 153 | $truncate .= $ending; |
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| 154 | if ($considerHtml) { |
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| 155 | // close all unclosed html-tags |
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| 156 | foreach ($open_tags as $tag) { |
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| 157 | $truncate .= '</' . $tag . '>'; |
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| 158 | } |
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| 159 | } |
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| 160 | return $truncate; |
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| 161 | } |
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| 222 |
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