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socket_strerror

socket_strerror

(PHP 4 >= 4.1.0, PHP 5)

socket_strerrorReturn a string describing a socket error

说明

string socket_strerror ( int $errno )

socket_strerror() takes as its errno parameter a socket error code as returned by socket_last_error() and returns the corresponding explanatory text.

Note:

Although the error messages generated by the socket extension are in English, the system messages retrieved with this function will appear depending on the current locale (LC_MESSAGES).

参数

errno

A valid socket error number, likely produced by socket_last_error().

返回值

Returns the error message associated with the errno parameter.

范例

Example #1 socket_strerror() example

<?php
if (false == ($socket = @socket_create(AF_INETSOCK_STREAMSOL_TCP))) {
   echo 
"socket_create() failed: reason: " socket_strerror(socket_last_error()) . " ";
}

if (
false == (@socket_bind($socket'127.0.0.1'80))) {
   echo 
"socket_bind() failed: reason: " socket_strerror(socket_last_error($socket)) . " ";
}
?>

The expected output from the above example (assuming the script is not run with root privileges):

socket_bind() failed: reason: Permission denied

参见


  • socket_accept
  • socket_bind
  • socket_clear_error
  • socket_close
  • socket_connect
  • socket_create
  • socket_create_listen
  • socket_create_pair
  • socket_getpeername
  • socket_getsockname
  • socket_get_option
  • socket_last_error
  • socket_listen
  • socket_read
  • socket_recv
  • socket_recvfrom
  • socket_select
  • socket_send
  • socket_sendto
  • socket_set_block
  • socket_set_nonblock
  • socket_set_option
  • socket_shutdown
  • socket_strerror
  • socket_write
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