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Sends error to Slack via Webhook
<?php
// Set your Slack WEBHOOK here
define('_SLACK_ERRORS_CHANNEL_WEBHOOK_URL', '<WEBHOOK>');
// Register function that will be executed in the end of PHP runtime
register_shutdown_function("shutdown_error_handler");
/*
* Sends a message to channel on Slack, example:
*
*
Error (E_ERROR) | PHP Stopped
File (/PATH/TO/FILE:LINE)
Message (Uncaught Exception: Error Handler(\Error) not foundError Object
(
...error details...
)
*
* In order to make it work, just define a constant somewhere like:
* define('_SLACK_ERRORS_CHANNEL_WEBHOOK_URL', '<WEBHOOK>');
*
* ...where <WEBHOOK> is the webhook you received from Slack
*
* */
function shutdown_error_handler()
{
$slackWebhookUrlIsDefined = defined('_SLACK_ERRORS_CHANNEL_WEBHOOK_URL');
if (!$slackWebhookUrlIsDefined) return;
$slackWebhookUrl = _SLACK_ERRORS_CHANNEL_WEBHOOK_URL;
$lasterror = error_get_last();
$type = $lasterror['type'];
$typeName = FriendlyErrorType($type);
$message = $lasterror['message'];
$file = $lasterror['file'];
$line = $lasterror['line'];
// Choose which errors you want to be sent to Slack
// If your code generates too many Warnings, you can
// comment them out from the array
if(isset($lasterror) && in_array($typeName, [
'E_WARNING', 'E_CORE_WARNING', 'E_USER_WARNING',
'E_ERROR', 'E_COMPILE_ERROR', 'E_USER_ERROR',
'E_PARSE',
]))
{
//Figure out whether we are using http or https.
$http = 'http';
//If HTTPS is present in our $_SERVER array, the URL should
//start with https:// instead of http://
if(isset($_SERVER['HTTPS'])){
$http = 'https';
}
//Get the HTTP_HOST.
$host = $_SERVER['HTTP_HOST'];
//Get the REQUEST_URI. i.e. The Uniform Resource Identifier.
$requestUri = $_SERVER['REQUEST_URI'];
//Finally, construct the full URL.
//Use the function htmlentities to prevent XSS attacks.
$full_url = $http . '://' . htmlentities($host) . htmlentities($requestUri);
$payload = [
'text' => "
*{$typeName}* occured in \n
`{$file}` on line `{$line}` \n
On URL: {$full_url} \n
Here is what I know about it: \n
```{$message}```",
];
$ch = curl_init($slackWebhookUrl);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
));
$result = curl_exec($ch);
curl_close($ch);
if($result === false)
{
die('Curl error: ' . curl_error($ch));
}
}
}
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