Php/docs/function.posix-strerror

• PHP Manual
• POSIX 函数
• Retrieve the system error message associated with the given errno

posix_strerror

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

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

说明

posix_strerror ( int $errno ) : string

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.

<?phpposix_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

• posix_get_last_error() - Retrieve the error number set by the last posix function that failed