dba_firstkey

Function • Params changed in PHP 8.4

Fetch first key.

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

dba_firstkey Function synopsis

dba_firstkey(Dba\Connection $dba): string|false

Parameters

$dba

TypeDba\Connection

Return value

Typestring|false

Changes to the dba_firstkey Function

PHP 8.4

  • Parameter type added for parameter #1 ($dba): Dba\Connection
- dba_firstkey($dba): string|false
+ dba_firstkey(Dba\Connection $dba): string|false

PHP 8.0

  • Return type added: string|false
  • Parameter name of parameter #1 changed: $handle to $dba
- dba_firstkey($handle)
+ dba_firstkey($dba): string|false

dba_firstkey 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