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(PHP 4 >= 4.2.0, PHP 5)
posix_strerror — Retrieve the system error message associated with the given errno
$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" ;
?>
以上例程的输出类似于:
No such process