restore_error_handler -- Restores the previous error handler function
说明
bool restore_error_handler ( void )
Used after changing the error handler function using
set_error_handler(), to revert to the previous error
handler (which could be the built-in or a user defined function).
返回值
This function always returns TRUE
范例
例子 1. restore_error_handler() example
Decide if unserialize() caused an error, then
restore the original error handler.
<?php function unserialize_handler($errno, $errstr) { echo "Invalid serialized value.\n"; }