There are three type of errors are present in PHP
1-Notices
2-Warnings
3-Fatal errors
Notices:
These are trivial, non-critical errors. that does not terminate script .
Condition:
1- Accessing a variable that not define.
Warnings:
These are more serious errors
Condition:
1-attempting to include() a file which does not exist.
Fatal errors:
These are critical errors that terminate script and stop
Condition:
1-instantiating an object of a non-existent class
2- Calling a non-existent function
3-Missing semicolon
4-missing braces
5- Destroyed DOM
