strripos in PHP

 PHP strripos() function is utilized to discover the position of the final occurrence of a case-insensitive string in a string. Returns FALSE if match not found.

Syntax:

strripos(string,find,start)
string : Required. Specifies the string to examined.

find : Required. Specifies the string to find

start : Optional.Specifies starting position of the first string.

Note : This function is case-insensitive.

Example:

<?php
echo strripos("Good Morning","oR");
?>
Output will be:
6