How can you determine the data type of a variable in PHP?

To determine the data type of a variable in PHP, you can use the `gettype()` function. This function takes a variable as an argument and returns a string representing the data type of that variable. This can be useful when you need to perform different actions based on the data type of a variable. 

$variable = 42;
$dataType = gettype($variable);
echo "The data type of the variable is: " . $dataType;

Keywords

PHP variable data type gettype() typecasting

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