\n"; echo "Before sprintf: $text (hex: " .strToHex($text) . ")"; echo "\n
\n"; echo "After sprintf: $res (hex: " . strToHex($res) . ")"; echo "\n
\n"; if ($text === $res) { echo "Both strings are equal! :-)"; } else { echo "Strings are different! :-("; } echo "\n
\n"; function strToHex($string) { $hex=''; for ($i=0; $i < strlen($string); $i++) { $hex .= dechex(ord($string[$i])); } return $hex; } ?>