pfsockopen

Function • Params changed in PHP 8.0

Open persistent Internet or Unix domain socket connection.

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

pfsockopen Function synopsis

pfsockopen(
    string $hostname,
    int $port = -1,
    &$error_code = null,
    &$error_message = null,
    ?float $timeout = null
  )

Parameters

$hostname

Typestring

$port

OptionalTypeintDefault value-1

$error_code

Passed by reference, OptionalDefault valuenull

$error_message

Passed by reference, OptionalDefault valuenull

$timeout

OptionalType?floatDefault valuenull

Note that the parameters $error_code and $error_message are passed by reference, and contain additional/updated context data that may be useful.

Changes to the pfsockopen Function

PHP 8.0

  • Parameter type added for parameter #1 ($hostname): string
  • Parameter type added for parameter #2 ($port): int
  • Parameter default value added for position #2 ($port): -1
  • Parameter name of parameter #3 changed: $errno to $error_code
  • Parameter default value added for position #3 ($error_code): null
  • Parameter name of parameter #4 changed: $errstr to $error_message
  • Parameter default value added for position #4 ($error_message): null
  • Parameter type added for parameter #5 ($timeout): ?float
  • Parameter default value added for position #5 ($timeout): null
  pfsockopen(
-     $hostname,
+     string $hostname,
-     $port,
+     int $port = -1,
-     &$errno,
+     &$error_code = null,
-     &$errstr,
+     &$error_message = null,
-     $timeout
+     ?float $timeout = null
    )

pfsockopen 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