Name
levenshtein
Synopsis
int levenshtein(stringone
, stringtwo
[, intinsert
, intreplace
, intdelete
]) int levenshtein(stringone
, stringtwo
[, mixedcallback
])
Calculates the Levenshtein distance between two strings; this is the
number of characters you have to replace, insert, or delete to
transform one
into
two
. By default, replacements, inserts,
and deletes have the same cost, but you can specify different costs
with insert
,
replace
, and
delete
. In the second form, you provide a
callback to calculate the cost of an operation.
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