How can the var_dump() function be used to debug PHP code and identify potential errors in variables?

The var_dump() function in PHP can be used to output the contents of a variable, including its type and value. This can be helpful for debugging code and identifying potential errors in variables such as incorrect data types or unexpected values. 

```php
$variable = "Hello, World!";
var_dump($variable);
```

In the code snippet above, the var_dump() function is used to output the contents of the variable $variable, which will display the data type (string) and value ("Hello, World!"). This can help identify any unexpected values or data types that may be causing errors in the code.

Keywords

var_dump debug PHP code errors variables

Related Questions