curl_strerror

FunctionParams and return types changed in PHP 8.0

Return string describing the given error code.

PHP 5.3-5.4
PHP 5.5
Added
PHP 5.6
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
PHP 8.5

curl_strerror Function synopsis

curl_strerror(int $error_code): ?string

Parameters

$error_code

Typeint

One of the cURL error codes constants.

$error_code accepts one of the following constant values:

Return value

Type?string

Returns error description or null for invalid error code.

Changes to the curl_strerror Function

PHP 8.0

  • Return type added: ?string
  • Parameter name of parameter #1 changed: $errornum to $error_code
  • Parameter type added for parameter #1 ($error_code): int
- curl_strerror($errornum)
+ curl_strerror(int $error_code): ?string

PHP 5.5

  • Function added

curl_strerror Function Availability

PHP VersionAvailability
PHP 8.5Future Release Yes
PHP 8.4Upcoming Release Yes
PHP 8.3Supported (Latest) Yes
PHP 8.2Supported 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 No
PHP 5.3Unsupported No