PHP strripos() Function

In this chapter you will learn:

1. Definition for PHP strripos() Function
2. Syntax for PHP strripos() Function
3. Parameter for PHP strripos() Function
4. Return for PHP strripos() Function
5. Related functions for PHP strripos() Function
6. Example - Find the position of the last occurrence of "php" inside the string

Definition

The strripos() function finds the position of the last occurrence of a string inside another string. The strripos() function is case-insensitive.

Syntax

PHP strripos() Function has the following syntax.

Parameter

Return

PHP strripos() Function returns the position of the last occurrence of a string inside another string, or FALSE if the string is not found.

String positions start at 0, and not 1.

Related functions

• stripos() - Finds the position of the first occurrence of a string inside another string (case-insensitive)
• strpos() - Finds the position of the first occurrence of a string inside another string (case-sensitive)
• strrpos() - Finds the position of the last occurrence of a string inside another string (case-sensitive)

Example

Find the position of the last occurrence of "php" inside the string:

<?php
echo strripos("php from java2s.com","PHP");
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP strrpos() Function
2. Syntax for PHP strrpos() Function
3. Parameter for PHP strrpos() Function
4. Return for PHP strrpos() Function
5. Related functions for PHP strrpos() Function
6. Example - Find the position of the last occurrence of "php" inside the string
7. Example - deal with the starting index

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