socket_send

Function • Params and return types changed in PHP 8.0

Sends data to a connected socket.

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_send Function synopsis

socket_send(
    Socket $socket,
    string $data,
    int $length,
    int $flags
  ): int|false

Parameters

$socket

TypeSocket

A Socket instance created with socket_create or socket_accept.

$data

Typestring

A buffer containing the data that will be sent to the remote host.

$length

Typeint

The number of bytes that will be sent to the remote host from $data.

$flags

Typeint

The value of $flags can be any combination of the following flags, joined with the binary OR (|) operator.

$flags accepts one or a bitmask of the following constant values:

Return value

Typeint|false

socket_send returns the number of bytes sent, or false on error.

Changes to the socket_send Function

PHP 8.0

  • Return type added: int|false
  • Parameter type added for parameter #1 ($socket): Socket
  • Parameter name of parameter #2 changed: $buf to $data
  • Parameter type added for parameter #2 ($data): string
  • Parameter name of parameter #3 changed: $len to $length
  • Parameter type added for parameter #3 ($length): int
  • Parameter type added for parameter #4 ($flags): int
  socket_send(
-     $socket,
+     Socket $socket,
-     $buf,
+     string $data,
-     $len,
+     int $length,
-     $flags
+     int $flags
-   )
+   ): int|false

socket_send 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