How can var_dump() be used to debug PHP variables?

Var_dump() can be used to debug PHP variables by providing detailed information about the variable, including its type and value. This can be helpful in identifying any issues with the variable's data or structure. To use var_dump(), simply pass the variable as an argument to the function, like so: var_dump($variable);

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