posix_strerror

(PHP 4 >= 4.2.0, PHP 5)

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

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().

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

Returns the error message, as a string.

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())."\n";
?>

上例的输出类似于：

No such process


	PHP5中文手册 posix_setuid posix_times POSIX PHP Manual posix_strerror (PHP 4 >= 4.2.0, PHP 5) posix_strerror — Retrieve 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())."\n"; ?>` 上例的输出类似于： No such process 参见 posix_get_last_error() posix_setuid posix_times POSIX PHP Manual