bcadd

Function • Params and return types changed in PHP 8.0

Add two arbitrary precision numbers.

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

bcadd Function synopsis

bcadd(
    string $num1,
    string $num2,
    ?int $scale = null
  ): string

Parameters

$num1

Typestring

The left operand, as a string.

$num2

Typestring

The right operand, as a string.

$scale

OptionalType?intDefault valuenull

Return value

Typestring

The sum of the two operands, as a string.

Changes to the bcadd Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $left_operand to $num1
  • Parameter type added for parameter #1 ($num1): string
  • Parameter name of parameter #2 changed: $right_operand to $num2
  • Parameter type added for parameter #2 ($num2): string
  • Parameter type added for parameter #3 ($scale): ?int
  • Parameter default value added for position #3 ($scale): null
  bcadd(
-     $left_operand,
+     string $num1,
-     $right_operand,
+     string $num2,
-     $scale
+     ?int $scale = null
-   )
+   ): string

bcadd 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