Slack is a popular work collaboration tool and it provides many features which help teams collaborate. It has one function which allows sending messages to channels from external source such as your own web service -- Incoming Webhook. This is extremely useful when want to monitor something and get notified when some event occurs and it doesn't require complicated setup.To send messages using Incoming Webhook, a service URL has to be generated on Slack and then the message can be posted to this URL and it will be posted on your team channel. After clicking "Add Configuration", the process...

In a PHP application, cURL is frequently used to make connection to remote server to request some resource. It can be used to transfer data with different protocols such as HTTP, HTTPS, FTP etc.While using cURL in PHP, someone may get an error with message similar to "SSL certificate problem: self signed certificate in certificate chain".This may happen when cURL tries to make a SSL connection server and the server returns a server certificate which is self-signed and it's not trusted by the client(in the client CA store). In this case, you may need to follow below steps to resolve this issue....