How can PHP echo statements be used to debug and display important variables during script execution?

To debug and display important variables during script execution in PHP, you can use the `echo` statement to output the values of variables at specific points in your code. This can help you track the flow of your script and identify any issues with variable values. 

```php
$variable1 = "Hello";
$variable2 = "World";

echo "Variable 1: " . $variable1 . "<br>";
echo "Variable 2: " . $variable2 . "<br>";
```

In this code snippet, the `echo` statements are used to display the values of `$variable1` and `$variable2`. This can be particularly useful when trying to identify the values of variables at different stages of script execution.

Keywords

PHP echo statements debugging variables script execution

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