Php/docs/function.posix-get-last-error

• PHP Manual
• POSIX 函数
• Retrieve the error number set by the last posix function that failed

posix_get_last_error

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

posix_get_last_error — Retrieve the error number set by the last posix function that failed

说明

posix_get_last_error ( ) : int

Retrieve the error number set by the last posix function that failed. The system error message associated with the errno may be checked with posix_strerror().

返回值

Returns the errno (error number) set by the last posix function that failed. If no errors exist, 0 is returned.

范例

Example #1 posix_get_last_error() example

This example attempt to kill a bogus process id, which will set the last error. We will then print out the last errno.

<?phpposix_kill(999459,SIGKILL);echo 'Your error returned was '.posix_get_last_error(); //Your error was ___?>

参见

• posix_strerror() - Retrieve the system error message associated with the given errno