hexdec():decimal equivalent of hexadeciam number
Convert hexadecimal to decimal
hexdec() converts a hexadecimal string to its decimal value.
$hex = '2f';
echo hexdec($hex); // 47
Start with this current pattern. The examples below are retained for additional variations, output and reference.
<?Php
echo hexdec('2e'); // Output 46
echo "<br>";
echo hexdec('2ch'); // Output 44
echo "<br>";
echo hexdec('fab'); // Output is 4011
echo "<br>";
echo hexdec('FFFFFF'); // Output is 16777215
?>
string hexdec(string $hex);
| Parameter | DESCRIPTION |
|---|---|
| $hex | Required : $hex string to convert to equivalent decimal number. |
Hexadecimal is positional numeral system with base of 16. The chars it used are from 0 to 9 and from A to F.
Before using hexdec() to convert hexadecimal to decimal system, we can check hexadecimal input string for a valid hexadecimal number or not by using ctype_xdigit.php function.
Here is Demo of checking and converting Hexadecimal input to decimal base number.
DEMO
Example: Converting Hex Color Codes to Decimal
$hex = "FF";
echo hexdec($hex); // Output: 255
Example: Handling Large Hexadecimal Values
$hex = "7FFFFFFF";
echo hexdec($hex); // Output: 2147483647
Math Functions dechex(): Convert decimal number to hexadecimal system
base_convert(): Convert number From any base to other decbin() Binary equivalent of decimal number
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