readline_clear_history

Function • Return type changed in PHP 8.5

Clears the history.

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

readline_clear_history Function synopsis

readline_clear_history(): true

Parameters

readline_clear_history does not take any parameters.

Return value

Typetrue

Always returns true

Changes to the readline_clear_history Function

PHP 8.5

  • Return type changed: bool to true
- readline_clear_history(): bool
+ readline_clear_history(): true

PHP 8.0

  • Return type added: bool
- readline_clear_history()
+ readline_clear_history(): bool

readline_clear_history Function Availability

PHP VersionAvailability
PHP 8.6Future Release Yes
PHP 8.5Upcoming Release Yes
PHP 8.4Supported (Latest) Yes
PHP 8.3Supported Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Security-Fixes Only 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