dechex

Function • Params and return types changed in PHP 8.0

Decimal to hexadecimal.

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

dechex Function synopsis

dechex(int $num): string

Parameters

$num

Typeint

The decimal value to convert.

Return value

Typestring

Hexadecimal string representation of $num.

Changes to the dechex Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $decimal_number to $num
  • Parameter type added for parameter #1 ($num): int
- dechex($decimal_number)
+ dechex(int $num): string

dechex 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