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PHP String String Functions Manual
The similar_text() function is used to calculate the similarity between two strings.
int similar_text ( string $first , string $second [, float &$percent ] )
Used to calculate the similarity between two strings
Returns the number of matching characters in the two strings.
| Number | Parameters and Description |
|---|---|
| 1 | first (required) Information about the first string |
| 2 | second (required) Information about the second string |
| 3 | percent (optional) By passing the third parameter by reference, similar_text() will calculate the similarity percentage. |
Try the following example, calculate www.oldtoolbag.com and oldtoolbag.com The similarity is:
<?php
//Calculate www.oldtoolbag.com and oldtoolbag.com The similarity
echo similar_text("www.oldtoolbag.com,"oldtoolbag.com);
?>Test and See‹/›Output Result
9
Try the following example, calculate www.oldtoolbag.com and oldtoolbag.com The percentage similarity of these two strings is:
<?php
//Calculate www.oldtoolbag.com and oldtoolbag.com This two strings have a percentage similarity of
similar_text("www.oldtoolbag.com,"oldtoolbag.com,$percent);
echo $percent;
?>Test and See‹/›Output Result
81.818181818182