socket_create

Function • Params and return types changed in PHP 8.0

Create a socket (endpoint for communication).

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

socket_create Function synopsis

socket_create(
    int $domain,
    int $type,
    int $protocol
  ): Socket|false

Parameters

$domain

Typeint

The $domain parameter specifies the protocol family to be used by the socket.

$type

Typeint

The $type parameter selects the type of communication to be used by the socket.

$protocol

Typeint

The $protocol parameter sets the specific protocol within the specified $domain to be used when communicating on the returned socket. The proper value can be retrieved by name by using getprotobyname. If the desired protocol is TCP, or UDP the corresponding constants SOL_TCP, and SOL_UDP can also be used.

Return value

TypeSocket|false

socket_create returns a Socket instance on success, or false on error. The actual error code can be retrieved by calling socket_last_error. This error code may be passed to socket_strerror to get a textual explanation of the error.

Changes to the socket_create Function

PHP 8.0

  • Return type added: Socket|false
  • Parameter type added for parameter #1 ($domain): int
  • Parameter type added for parameter #2 ($type): int
  • Parameter type added for parameter #3 ($protocol): int
  socket_create(
-     $domain,
+     int $domain,
-     $type,
+     int $type,
-     $protocol
+     int $protocol
-   )
+   ): Socket|false

socket_create 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