openssl_error_string

Function • Return type changed in PHP 8.0

Return openSSL error message.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`openssl_error_string` Function synopsis

openssl_error_string(): string|false

Parameters

openssl_error_string does not take any parameters.

Return value

Typestring|false

Returns an error message string, or false if there are no more error messages to return.

Changes to the `openssl_error_string` Function

PHP 8.0

Return type added: string|false

- openssl_error_string()
+ openssl_error_string(): string|false

`openssl_error_string` Function Availability

PHP Version	Availability
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