note 53562 added to function.levenshtein
| From: | june05attilo-haukedotde at osu1 dot php dot net | Date: | Mon, 06 Jun 2005 07:44:55 +0000 |
| Subject: | note 53562 added to function.levenshtein | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-89991@lists.php.net to get a copy of this message | ||
//levenshtein for arrays
function array_levenshtein($array1,$array2)
{ $aliases= array_flip(array_values(array_unique(array_merge($array1,$array2))));
if(count($aliases)>255) return -1;
$stringA=''; $stringB='';
foreach($array1 as $entry) $stringA.=chr($aliases[$entry]);
foreach($array2 as $entry) $stringB.=chr($aliases[$entry]);
return levenshtein($stringA,$stringB);
}
// e.g. use array_levenshtein to detect special expressions in unser-inputs
echo array_levenshtein(split(" ", "my name is xxx"), split("
","my name is levenshtein"));
//output: 1
----
Manual Page -- http://www.php.net/manual/en/function.levenshtein.php
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