gettype()
Returns a string value representing the data type of a variable
$name = "Adam";
$age = 1000;
echo gettype($name); // Prints: string
echo gettype($age); // Prints: integer
if (gettype($name) === "string")var_dump()
Prints details about the variable it is given
var_dump($name); // Prints: string(4) "Adam"
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