Error type in php
There are three main error type in php
- Notice Error
- Warning Error
- Fatal Error
Notice Error
It is a simple and non critical error which is occur during script execution. It throw a error message but rest of code execute normally. This error generally occurs when you try to access the undefined variable.
<?php
$var="www.StudyZone4U.com";
echo $var1; // variable "$var1" is not define, so it throw a notice error
?>
Warning Error
It throw a warning error however rest of the script execute successfully. The main reason for warning errors are to include a missing file or using the incorrect number of parameters in a function.
<?php
echo "Warning Error!!";
include ("hello.php"); //if this file is not found then it will throw a warning error
?>
Fatal Error
It terminate the script execution when fatal error occurred. If you are trying to access the undefined functions, then the output is a fatal error.
<?php
function welcome()
{
echo "StudyZone4U.com";
}
hello(); // Function "hello()" is not defined.
//It generate a fatal error and terminate the script execution.
?>
