ASCII To Hexadecimal

This algorithm converts ASCII code to hexadecimal numbers.

• C#
• VB.Net
• C
• C++
• PHP

									function ASCIIToHexadecimal($str)
{
	$hex = "";
	$strLen = strLen($str);

	for ($i = 0; $i < $strLen; $i++)
	{
		$chex = DecimalToHexadecimal(ord($str[$i]));

		if (strlen($chex) == 1)
			$chex = substr_replace($chex, "0", 0, 0);

		$hex .= $chex;
	}

	return $hex;
}

function DecimalToHexadecimal($dec)
{
	if ($dec < 1) return "0";

	$hex = $dec;
	$hexStr = "";

	while ($dec > 0)
	{
		$hex = $dec % 16;

		if ($hex < 10)
			$hexStr = substr_replace($hexStr, chr($hex + 48), 0, 0);
		else
			$hexStr = substr_replace($hexStr, chr($hex + 55), 0, 0);

		$dec = floor($dec / 16);
	}

	return $hexStr;
}
								

Example

									$data = "Programming Algorithms";
$value = ASCIIToHexadecimal($data);
								

Output

									50726F6772616D6D696E6720416C676F726974686D73