It’s an inbuilt function of PHP. levenshtein() function will calculate Levenshtein distance between two strings.
[table caption=”” width=”100%” colwidth=”15%|15%|15%|55%” colalign=”left|left|left|left”]
Name, Required /Optional, Value Type, Description
string1, Required, String, Main string to check into.
string2, Required, String, Main string to check into.
char_ins, Optional, Integer, The cost of inserting a character Default is 1.
char_rep, Optional, Integer, The cost of replacing a character Default is 1.
char_del, Optional, Integer, The cost of deleting a character Default is 1.
[/table]
This function returns the Levenshtein-Distance between the two argument strings or -1, if one of the argument strings is longer than the limit of 255 characters.
<?php
echo levenshtein("Hello From Tutorialmines.net"," From Tutor");
echo "<br>";
echo levenshtein("Hello From Tutorialmines.net","From Tutorialmines.net",2,5,3);
?> Output of above code in the browser is as below:
When it comes to children, there’s one universal truth: the right toy can spark imagination, build skills, and make memories…
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