POSIX Functions
PHP Manual

posix_get_last_error

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

Description

int posix_get_last_error()

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.

Parameters

This function has no parameters.

Return Values

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

Examples

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. 

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

See Also

  • posix_strerror