(PHP 4 >= 4.3.0, PHP 5)
mb_substr_count — Count the number of substring occurrences
Counts the number of times the needle substring occurs in the haystack string.
The string being checked.
The string being found.
The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.
The number of times the needle substring occurs in the haystack string.
Example #1 mb_substr_count() example
<?php
echo mb_substr_count("This is a test", "is"); // prints out 2
?>