PHP Classes

Damerau Levenshtein: Get text similarity level with Damerau-Levenshtein

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damerau-levenshtein 0.1BSD License5.0Algorithms, PHP 5, Text processing


This class can compute similarity level between strings with Damerau-Levenshtein distance.

It takes two strings as parameters and computes the Damerau-Levenshtein edit distance between them.

The class can compute the relative similarity between the two strings based on Damerau-Levenshtein distance.

Innovation Award
PHP Programming Innovation award nominee
July 2011
Number 5
The Levenshtein algorithm is a popular algorithm for determining the similarity level of two text strings.

The Damerau-Levenshtein algorithm is a variation of the Levenshtein algorithm that allows the addition, deletion, substitution, and the transposition of two adjacent characters when determining the strings similarity.

This class is a pure PHP implementation of the Damerau-Levenshtein algorithm.

Manuel Lemos
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Plain text file class.damerauLevenshtein.php Class DamerauLevenshtein main class
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