decbin

Function • Params and return types changed in PHP 8.0

Decimal to binary.

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

decbin Function synopsis

decbin(int $num): string

Parameters

$num

Typeint

Decimal value to convert

Return value

Typestring

Binary string representation of $num

Changes to the decbin 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
- decbin($decimal_number)
+ decbin(int $num): string

decbin 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