textdomain

Function • Params changed in PHP 8.4

Sets the default domain.

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

textdomain Function synopsis

textdomain(?string $domain = null): string

Parameters

$domain

OptionalType?stringDefault valuenull

The new message domain, or null to get the current setting without changing it

Return value

Typestring

If successful, this function returns the current message domain, after possibly changing it.

Changes to the textdomain Function

PHP 8.4

  • Parameter default value added for position #1 ($domain): null
- textdomain(?string $domain): string
+ textdomain(?string $domain = null): string

PHP 8.0

  • Return type added: string
  • Parameter type added for parameter #1 ($domain): ?string
- textdomain($domain)
+ textdomain(?string $domain): string

textdomain 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