How can the warning regarding the return value of strpos() function be addressed to ensure accurate results?

The warning regarding the return value of the strpos() function can be addressed by explicitly checking for false (strict comparison) in the condition statement. This ensures that the function's return value is accurately evaluated, as strpos() may return 0 if the substring is found at the beginning of the string, which can be falsely interpreted as false.

$haystack = "Hello, World!";
$needle = "Hello";

$pos = strpos($haystack, $needle);
if ($pos !== false) {
    echo "Needle found at position: " . $pos;
} else {
    echo "Needle not found";
}