Different types of Errors Existed in PHP?

1. E_ERROR : Fatal run-time errors.
2. E_WARNING : Run-time warning.
3. E_PARSE : Compile time parse error.
4. E_NOTICE : Run time notice.
5. E_CORE_ERROR : errors that occur during PHP's initial startup.
6. E_CORE_WARNING : Warnings (non-fatal errors) that occur during PHP's initial startup.
7. E_COMPILE_ERROR : Fatal compile-time errors.
8. E_USER_ERROR : User-generated error message.
9. E_USER_WARNING : User-generated warning message.
10. E_USER_NOTICE : User-generated notice message.
11. E_STRICT : Run-time notices. Enable to have PHP suggest changes to your code which will ensure the best interoperability and forward compatibility of your code.
12. E_RECOVERABLE_ERROR :Catchable fatal error. It indicates that a probably dangerous error occured, but did not leave the Engine in an unstable state.
13. E_ALL : All errors and warnings, as supported, except of level E_STRICT in PHP