posix_strerror

Function • Params and return types changed in PHP 8.0

Retrieve the system error message associated with the given errno.

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

posix_strerror Function synopsis

posix_strerror(int $error_code): string

Parameters

$error_code

Typeint

A POSIX error number, returned by posix_get_last_error. If set to 0, then the string "Success" is returned.

Return value

Typestring

Returns the error message, as a string.

Changes to the posix_strerror Function

PHP 8.0

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

posix_strerror 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