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PHP similar_text () function

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Examples

Compute the similarity of two strings and returns the number of characters matched:

<?php
echo similar_text("Hello World","Hello Peter");
?>

Running instance »

Definition and Usage

similar_text () function calculates the similarity between two strings.

This function can also calculate the percentage of similarity between two strings.

Note: the Levenshtein () function than similar_text () function faster.However, similar_text () function provides more accurate results with less number of changes required.


grammar

similar_text( string1,string2,percent )

参数 描述
string1 必需。规定要比较的第一个字符串。
string2 必需。规定要比较的第二个字符串。
percent 可选。规定供存储百分比相似度的变量名。

technical details

return value: Returns the number of characters of two strings match.
PHP version: 4+


More examples

Example 1

Similarity percentage of two strings:

<?php
similar_text("Hello World","Hello Peter",$percent);
echo $percent;
?>

Running instance »


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