php similar_text(),phpsimilar_text
php similar_text(),phpsimilar_text
php similar_text() 函数计算比较两个字符串的相似度,本文章向码农介绍php similar_text() 函数的基本使用方法和基本使用实例,感兴趣的码农可以参考一下。
定义和用法
similar_text() 函数计算两个字符串的相似度。
该函数也能计算两个字符串的百分比相似度。
注释:levenshtein() 函数比 similar_text() 函数更快。不过,similar_text() 函数通过更少的必需修改次数提供更精确的结果。
语法
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。 |
技术细节
返回值: | 返回两个字符串的匹配字符的数目。 |
PHP 版本: | 4+ |
实例
计算两个字符串之间的百分比相似度:
<?<span>php </span><span>similar_text</span>("Hello World","Hello Shanghai",<span>$percent</span><span>); </span><span>echo</span> <span>$percent</span>. "%"<span>; </span>?>
在线运行
原文地址:http://www.manongjc.com/article/805.html
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