PHP: Catch script failure

gistfile1.php

<?php
// Multiple ways of registering a function for execution on shutdown

// Class method
public function __construct() {
	register_shutdown_function(array($this, 'scriptFailure'));
}

// Non-class method
register_shutdown_function('scriptFailure');

// Anonymous function
register_shutdown_function(function() {
	if($error = error_get_last()) mail('developer@email.com', 'Script Failure', print_r($error, true));
});


// Function to catch and email the error
private function scriptFailure() {
	if($error = error_get_last()) mail('developer@email.com', 'Script Failure', print_r($error, true));
}