posix_strerror Retrieve the system error message associated with the given errno


posix_strerror

(PHP 4 >= 4.2.0, PHP 5)

posix_strerrorRetrieve the system error message associated with the given errno

说明

string posix_strerror ( int $errno )

Returns the POSIX system error message associated with the given errno. You may get the errno parameter by calling posix_get_last_error().

参数

errno

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

返回值

Returns the error message, as a string.

范例

Example #1 posix_strerror() example

This example will attempt to kill a process which does not exist, then will print out the corresponding error message.

<?php
posix_kill
(50,SIGKILL);
echo 
posix_strerror(posix_get_last_error())." ";
?>

以上例程的输出类似于:

No such process

参见


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