Online PHP editor | refs for Xd8SP

<?php $first = 'A'; $second = '}'; $ascii_first = ord($first); $ascii_second = ord($second); $binary_first = decbin($ascii_first); $binary_second = decbin($ascii_second); $binary_XOR = decbin($ascii_first ^ $ascii_second); $final_ascii = bindec($binary_XOR); $final_char = chr($final_ascii); echo "Letters \n\t $first \n\t $second \n"; echo "ASCII values: \n\t $first: $ascii_first \n\t $second: $ascii_second \n"; echo "Binary values \n\t $ascii_first: $binary_first \n\t $ascii_second: $binary_second \n"; echo "XOR of values: \n\t Binary: $binary_XOR \n\t Decimal: $final_ascii\n"; echo "Final character of ASCII value $final_ascii: $final_char";