note 62715 added to function.similar-text
| From: | dmitry dot polushkin at gmail dot com | Date: | Wed, 08 Mar 2006 04:08:08 +0000 |
| Subject: | note 62715 added to function.similar-text | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-105025@lists.php.net to get a copy of this message | ||
Well... hard to explain, why I have written this function, but maybe it will be usefull.
<?php
// returns the percentage of the string "similarity"
function str_compare($str1, $str2) {
$count = 0;
$str1 = ereg_replace("[^a-z]", ' ', strtolower($str1));
while(strstr($str1, ' ')) {
$str1 = str_replace(' ', ' ', $str1);
}
$str1 = explode(' ', $str1);
$str2 = ereg_replace("[^a-z]", ' ', strtolower($str2));
while(strstr($str2, ' ')) {
$str2 = str_replace(' ', ' ', $str2);
}
$str2 = explode(' ', $str2);
if(count($str1)<count($str2)) {
$tmp = $str1;
$str1 = $str2;
$str2 = $tmp;
unset($tmp);
}
for($i=0; $i<count($str1); $i++) {
if(in_array($str1[$i], $str2)) {
$count++;
}
}
return $count/count($str2)*100;
}
?>
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Manual Page -- http://www.php.net/manual/en/function.similar-text.php
Edit -- http://master.php.net/note/edit/62715
Del: integrated -- http://master.php.net/note/delete/62715/integrated
Del: useless -- http://master.php.net/note/delete/62715/useless
Del: bad code -- http://master.php.net/note/delete/62715/bad+code
Del: spam -- http://master.php.net/note/delete/62715/spam
Del: non-english -- http://master.php.net/note/delete/62715/non-english
Del: in docs -- http://master.php.net/note/delete/62715/in+docs
Del: other reasons-- http://master.php.net/note/delete/62715
Reject -- http://master.php.net/note/reject/62715
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