> 原文:[https://www . geesforgeks . org/count-出现次数-substring-x-每次出现前-substring-y-in-给定字符串/](https://www.geeksforgeeks.org/count ...

// I have to create a function which basically make substring and check whether its last digit is divisible by substring or not. and, there is a count variable, if substring is divisible then we have ...

The substr_count() in php is a string function which counts the no of times the sub string occurred in the string. this function is case-sensitive. the syntax of the function is as : ...