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Adds support for multiple error handlers in PHP
function append_error_handler($handler) {
set_error_handlers(array(set_error_handler($handler), $handler));
function prepend_error_handler($handler) {
set_error_handlers(array($handler, set_error_handler($handler)));
function set_error_handlers($handlers) {
$handlers = (is_array($handlers) ? $handlers : array($handlers));
set_error_handler(function ($level, $message, $file = null, $line = null, $context = null) use ($handlers) {
foreach ($handlers as $handler) {
if ($handler) {
call_user_func($handler, $level, $message, $file, $line, $context);
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gcd2510 commented Feb 20, 2017

Can you explain a little bit about 3 function??. i cant understand what they do. Thanks

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