Warning: Undefined array key "inputOne" in /home/a086cyberlearner/public_html/Php_example/ComparingStrings.php on line 6
Warning: Undefined array key "inputTwo" in /home/a086cyberlearner/public_html/Php_example/ComparingStrings.php on line 7
Either the $firstString variable or the $secondString variable does not contain a value so the two strings cannot be compared.