posix_strerror

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

posix_strerror — Retrieve the system error message associated with the given errno

说明

posix_strerror ( int $error_code ) : string

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

参数

error_code

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

示例 #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())."\n";
?>

以上例程的输出类似于：

No such process

参见