How to get the number of occurrences of a substring with the substr_count() function in PHP, phpsubstr_count_PHP tutorial

How to get the number of occurrences of a substring by the substr_count() function in PHP, phpsubstr_count

This article describes the method of getting the number of occurrences of a substring by the substr_count() function in PHP. Share it with everyone for your reference, the details are as follows:

substr_count() in PHP can be used to count the number of occurrences of a substring in a specified string.

The substr_count() function is defined as follows:

substr_count(string,substring,start,length)

Parameter description:

string Required. Specifies the string to be checked.
substring required. Specifies the string to search for.
start is optional. Specifies where in the string to begin the search.
length is optional. Specifies the length of the search.

Sample code is as follows:

<&#63;php
 $str="帮客之家提供大量脚本代码及脚本特效下载";
 echo substr_count($str,"脚本");
 echo "<br/>";
 echo substr_count($str,"脚本",16);//指定在第16个字符后开始搜索
 echo "<br/>";
 echo substr_count($str,"脚本",16,10);//指定从第16个字符开始往后搜索10个字符结束
&#63;>

The running results are as follows:

3
2
1

For more information on PHP string operations, please view the special topic on this site: "Summary of PHP String Usage"

I hope this article will be helpful to everyone in PHP programming.

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