php errors and exceptions notes

 

First of all errors and exceptions when two different concepts

Common mistakes:

Syntax errors about missing semicolon, etc.

Environmental wrong file failed to open a database error

Analyzing logic error would be

 

There are a lot of error level of error sectors listed here only common among the php

Deprecated lowest level of error

Notice the error notification level

Warning Warning Level number error Parameter type error could lead to

Fatal error Fatal error level

parse error parsing errors

E_USER_ related errors

 

 

// note that here has a function deprecated ereg 
        IF (ereg ( ' Love ' , ' the I AM your Father Love Me! ' , $ Mechase)) { 
           VP ($ mechase); 
        } the else { 
            P ( ' can not be found related to matches ' ); 
        }

 

setType (Key $, ' int ' ); // set does not exist becomes the integer 
        p ($ key); // print is 0 
        setType ($ King, ' King ' ); // set to a variable type that does not exist result in a warning not to change the original type 
        p ($ key);

 

 

 

the p-($ King); 
        the p-( " program execution continues down " );

 

 

Error notification level

 

 

 

Array ARR = $ ( ' Age ' => 21 is ); 
        ; P ($ ARR [Age]) // value of the engine where it first and then as a constant which can not find the String to parse and taken out inside

 

 

 

Fatal error-level program can not continue down

P (MD6 ( ' Hello ' )); 
        P ( ' continue ' );