Different types of errors in PHP?

There are three types of errors in PHP

1. Notices
2. Warnings
3. Fatal Errors

Notices

• These errors are not displayed to the users. These are non-critical errors.
• This error occurs when you try to use a variable that has not been declared.
• These errors will not stop the script. 
• This will notice and continue with the next termination of the script.
• Example: Trying to use a function that has not been declared.

Warnings

• These errors are more serious errors. But these errors will not terminate the script.
• By default, these errors are not displayed to the users.
• This would occur when you try to include a file that does not exist or delete a file that is not present.
• By default, this error will give the notice and continue with the script.

Fatal Errors

• Fatal errors can cause termination of the script.
• These are critical errors.
• Fatal errors are basically run time errors.
• It occurs when you try to access what you cant be done.
• Example: Trying to use a function that has not been declared.