PHP Types of Errors

PHP programming language detects and reports different types of errors during the code execution. Understanding the types of errors is essential to find and fix the bugs in the code.

Syntax

The syntax to handle errors in PHP is as follows:

try {
   // code that may throw an error or exception
} catch (Exception $e) {
   // code to handle the exception
} catch (Error $e) {
   // code to handle the error
}

Example

Let's take an example of undefined variable error using the following code:

<?php
  echo $name;
?>

Output

The output of the above code will be something like this:

Notice: Undefined variable: name in /path/to/file.php on line 2

Explanation

In the above example, we are trying to print an undefined variable $name. PHP detects this error and displays a notice message in the output.

Use

The types of errors in PHP are used for the following purposes:

• Debugging the code.
• Handling errors and exceptions in the code.
• Improving the coding practices.

Important Points

• PHP supports three types of errors: notices, warnings, and fatal errors.
• Notices are non-critical errors that can be ignored.
• Warnings are more severe errors that require immediate attention.
• Fatal errors are severe errors that stop the execution of the code.
• It is good practice to handle errors in PHP using the try-catch block.

Summary

PHP programming language provides different types of errors to detect and report issues in the code. Understanding the types of errors helps to fix the issues and improve the code quality. The try-catch block is used to handle errors and exceptions in PHP.