How can the PHP function strripos be used to find the position of the last occurrence of a character in a string?

To find the position of the last occurrence of a character in a string using the PHP function `strripos`, you can pass the string and the character you are looking for as arguments to the function. This function will return the position of the last occurrence of the character in the string, counting from 0. If the character is not found in the string, it will return false.

$string = "Hello World";
$char = "o";
$last_position = strripos($string, $char);

if ($last_position !== false) {
    echo "The last occurrence of '$char' is at position: $last_position";
} else {
    echo "Character '$char' not found in the string.";
}