Where can I find more information and examples on using variable variables in PHP?

Variable variables in PHP allow you to create variables with dynamic names. This can be useful when you need to dynamically access or modify variables based on user input or other conditions. To create a variable variable, you use double dollar signs ($$) followed by the name of the variable you want to create. Example: 

$varName = 'myVariable';
$$varName = 'Hello, World!';
echo $myVariable; // Output: Hello, World!

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