(PHP 5 >= 5.2.0)
error_get_last — Get the last occurred error
Gets information about the last error that occurred.
Returns an associative array describing the last error with keys "type", "message", "file" and "line". Returns NULL if there hasn't been an error yet.
Example #1 An error_get_last() example
<?php
echo $a;
print_r(error_get_last());
?>
上例的输出类似于：
Array
(
[type] => 8
[message] => Undefined variable: a
[file] => C:\WWW\index.php
[line] => 2
)