Error Reporting

errrep.php

<?php

error_reporting(0);

set_error_handler('custHandler');
register_shutdown_function('shutdownHandler');

function custHandler($errno, $errstr, $errfile, $errline, $errcontext)
{
        echo "Custom handler called.";
}

function shutdownHandler()
{
        echo "I died.";
        var_dump(error_get_last());
}

$data = '';
while(true) {
  $data .= str_repeat('#', PHP_INT_MAX);
}

php fatal.php
I died.array(4) {
["type"]=>
int(1)
["message"]=>
string(78) "Out of memory (allocated 786432) (tried to allocate 9223372036854775808 bytes)"
["file"]=>
string(40) "/home/alex/Documents/Code/test/fatal.php"
["line"]=>
int(21)
}

Removing the error_reporting line and changing display_errors to 0 in php.ini yields the same results.