What are the potential consequences of ignoring PHP warnings in your code?

Ignoring PHP warnings in your code can lead to unexpected behavior or errors in your application. It is important to address these warnings to ensure the stability and reliability of your code. To solve this issue, you should review the warnings, identify the root cause, and make the necessary adjustments to your code.

// Example of addressing PHP warnings by fixing undefined variable error
$var = '';

// Fix: Initialize the variable before using it
$var = 'Hello, World!';
echo $var;