Detailed explanation of string function strrpos()

What is the role of string function strrpos()?

strrpos() function finds the last occurrence of a string within another string. This function is case-sensitive, contrary to the strripos() function, which is not case-sensitive. This article will guide you to understand the php strrpos() function.

strrpos() function syntax

strrpos(string,find,start)

This function has three parameters, the first two parameters are required, and the third parameter is optional Optional

Parameter	Description
string	Required. Specifies the string to be searched for.
find	Required. Specifies the characters to search for.
start	Optional. Specifies the location from which to start the search.

The return value of strrpos() function

strrpos() functionreturns a string The last occurrence of another string, or FALSE if the string is not found. The string position starts from 0, not from 1.

The related functions are:

• stripos() - Find the first occurrence of a string in another string position (case-insensitive)

• strpos() - Find the position of the first occurrence of a string in another string (case-sensitive)

• strripos() - Find the last occurrence of a string in another string (case-insensitive)

strrpos() function example

The following example uses the strrpos() function to find the last occurrence of "php" in the string. The code is as follows

<?php
echo strrpos("You love php, I love php too!","php");
?>

The code runs the browser output result:

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