The mb_substr_count() function is an inbuilt function in PHP that counts the occurrence of strings within a given string.
Syntax:
mb_substr_count($haystack, $needle, $encoding): int
Parameters: This function accepts three parameters that are described below:
- $haystack: This is the main parameter where we check if our $needle parameter string is in this string parameter or not.
- $needle: This is the substring that you want to search for the input string. It can be of any length.
- $encoding: This is the optional parameter that defines which type of encoding you are using in the input.
Return Value: The number of times $needle string occurs in the $haystack string will be returned by this function.
Example 1: The following code demonstrates the mb_substr_count() function.
PHP
<?php $string = "Geeks for Geeks"; $search_string = "for"; echo mb_substr_count($string, $search_string); ?> |
Output:
1
Example 2: The following code demonstrates the mb_substr_count() function.
PHP
<?php $string = "Geeks for Geeks is a learning platform " . "where we can learn any programming language"; $search_string = "a"; echo mb_substr_count($string, $search_string); ?> |
Output:
9
Reference: https://www.php.net/manual/en/function.mb-substr-count.php
