base_convert

Function • Params and return types changed in PHP 8.0

Convert a number between arbitrary bases.

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

base_convert Function synopsis

base_convert(
    string $num,
    int $from_base,
    int $to_base
  ): string

Parameters

$num

Typestring

The number to convert. Any invalid characters in $num are silently ignored. As of PHP 7.4.0 supplying any invalid characters is deprecated.

$from_base

Typeint

The base $num is in

$to_base

Typeint

The base to convert $num to

Return value

Typestring

$num converted to base $to_base

Changes to the base_convert Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $number to $num
  • Parameter type added for parameter #1 ($num): string
  • Parameter name of parameter #2 changed: $frombase to $from_base
  • Parameter type added for parameter #2 ($from_base): int
  • Parameter name of parameter #3 changed: $tobase to $to_base
  • Parameter type added for parameter #3 ($to_base): int
  base_convert(
-     $number,
+     string $num,
-     $frombase,
+     int $from_base,
-     $tobase
+     int $to_base
-   )
+   ): string

base_convert 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