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PHP Quiz PHP CertificatePHP similar_text() Function
Example
Calculate the similarity between two strings and return the matching characters:
<?php
echo similar_text("Hello World","Hello Peter");
?>
echo similar_text("Hello World","Hello Peter");
?>
Run example »
Definition and Usage
The similar_text() function calculates the similarity between two strings.
It can also calculate the similarity of the two strings in percent.
Note: The levenshtein() function is faster than the similar_text() function. However, the similar_text() function will give you a more accurate result with less modifications needed.
Syntax
similar_text(string1,string2,percent)
| Parameter | Description |
|---|---|
| string1 | Required. Specifies the first string to be compared |
| string2 | Required. Specifies the second string to be compared |
| percent | Optional. Specifies a variable name for storing the similarity in percent |
Technical Details
| Return Value: | Returns the number of matching characters of two strings |
|---|---|
| PHP Version: | 4+ |
More Examples
Example 1
Calculate the similarity between two strings in percent:
<?php
similar_text("Hello World","Hello Peter",$percent);
echo $percent;
?>
similar_text("Hello World","Hello Peter",$percent);
echo $percent;
?>
Run example »
Complete PHP String Reference
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