hexdec

FunctionParams and return types changed in PHP 8.0

Hexadecimal to decimal.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

hexdec Function synopsis

hexdec(string $hex_string): int|float

Parameters

$hex_string

Typestring

The hexadecimal string to convert

Return value

Typeint|float

The decimal representation of $hex_string

Changes to the hexdec Function

PHP 8.0

  • Return type added: int|float
  • Parameter name of parameter #1 changed: $hexadecimal_number to $hex_string
  • Parameter type added for parameter #1 ($hex_string): string
- hexdec($hexadecimal_number)
+ hexdec(string $hex_string): int|float

hexdec Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes