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<?php |
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/** |
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* |
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* @Name : similar-text |
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* @Programmer : Akpé Aurelle Emmanuel Moïse Zinsou |
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* @Date : 2019-04-01 |
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* @Released under : https://github.com/manuwhat/similar-text/blob/master/LICENSE |
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* @Repository : https://github.com/manuwhat/similar |
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* |
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**/ |
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namespace EZAMA{ |
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class complexCommonTextSimilarities extends simpleCommonTextSimilarities |
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{ |
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const URL_FORMAT_EXTENDED_PATTERN = '/^((https?|ftps?|file):\/\/){0,1}'. // protocol |
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'(([a-z0-9$_\.\+!\*\'\(\),;\?&=-]|%[0-9a-f]{2})+'. // username |
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'(:([a-z0-9$_\.\+!\*\'\(\),;\?&=-]|%[0-9a-f]{2})+)?'. // password |
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'@)?(?#'. // auth requires @ |
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')((([a-z0-9]\.|[a-z0-9][a-z0-9-]*[a-z0-9]\.)*'. // domain segments AND |
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'[a-z][a-z0-9-]*[a-z0-9]'. // top level domain OR |
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'|((\d|[1-9]\d|1\d{2}|2[0-4][0-9]|25[0-5])\.){3}'. |
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'(\d|[1-9]\d|1\d{2}|2[0-4][0-9]|25[0-5])'. // IP address |
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')(:\d+)?'. // port |
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')(((\/+([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)*'. // path |
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'(\?([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)'. // query string |
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'?)?)?'. // path and query string optional |
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'(#([a-z0-9$_\.\+!\*\'\(\),;:@&=-]|%[0-9a-f]{2})*)?'. // fragment |
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'$/i'; |
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const URL_POSIX_FORMAT='"^(\b(https?|ftps?|file):\/\/)?[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#\/%=~_|]$"i'; |
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protected static function isUrl($url, &$getDomain='') |
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{ |
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$matches=array(); |
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$bool= is_string($url)&&preg_match(self::URL_POSIX_FORMAT, $url)&&preg_match(self::URL_FORMAT_EXTENDED_PATTERN, $url, $matches)/*?true:false*/; |
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$getDomain=rtrim($matches[9], '.'); |
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return $bool; |
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} |
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public static function strippedUrl($a, $b) |
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{ |
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if (self::isUrl($a, $domain)&&is_string($b)) { |
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return $domain===trim($b); |
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} elseif (self::isUrl($b, $domain)&&is_string($a)) { |
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return $domain===trim($a); |
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} else { |
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return false; |
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} |
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} |
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public static function areStems($a, $b) |
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{ |
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if (!is_string($a) || !is_string($b)) { |
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return false; |
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} |
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$a = self::getParts(self::strtolower($a)); |
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$b = self::getParts(self::strtolower($b)); |
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foreach ($a as $index=>$word) { |
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if (!self::haveSameRoot($word, $b[$index])) { |
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return false; |
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} |
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} |
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return true; |
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} |
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public static function wordsAddedOrRemoved($a, $b) |
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{ |
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if (!is_string($a) || !is_string($b)) { |
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return false; |
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} |
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$filter=function ($v) { |
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return !(ctype_space($v)); |
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}; |
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self::filter($a, $b, $filter, true); |
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return self::waorDiff($a, $b, count($a), count($b)); |
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} |
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private static function filter(&$a, &$b, $filter, $insensitive=true) |
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{ |
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if ($insensitive) { |
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$a = array_filter(self::getParts(self::strtolower($a)), $filter); |
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$b = array_filter(self::getParts(self::strtolower($b)), $filter); |
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} else { |
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$a = array_filter(self::getParts(self::split($a)), $filter); |
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$b = array_filter(self::getParts(self::split($b)), $filter); |
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} |
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} |
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private static function waorDiff($a, $b, $ca, $cb) |
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{ |
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return (bool)(($ca>$cb)?array_diff_assoc(array_values($a), array_values($b)):array_diff_assoc(array_values($b), array_values($a))); |
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} |
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public static function punctuactionChangesOccured($a, $b, $insensitive=true, $considerSpace=true) |
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{ |
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$filter=function ($v) use ($considerSpace) { |
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return $considerSpace?!(ctype_space($v)||ctype_punct($v)):!ctype_punct($v); |
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}; |
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if (!is_string($a) || !is_string($b)) { |
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return false; |
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} |
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self::filter($a, $b, $filter, $insensitive); |
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return empty(array_diff($a, $b)); |
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} |
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public static function acronymOrExpanded($a, $b) |
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{ |
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if (!is_string($a) || !is_string($b)) { |
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return false; |
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} |
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$filter=function ($v) { |
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return !(ctype_space($v)||ctype_punct($v)); |
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}; |
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self::filter($a, $b, $filter, true); |
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return self::aoeStemming($a, $b); |
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} |
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private static function aoeStemming($a, $b) |
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{ |
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foreach ($a as $index=>$word) { |
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if (!self::haveSameRoot($word, $b[$index])||(isset($a[$index][2])&&isset($b[$index][2]))) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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} |
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manuwhat /
similar-text
