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gettype()

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<?php
$string = gettype (
      // mixed $var
);
?>
Result
$string = 'string'
Examples
#1 gettype  (1)
#2 gettype  (1.1)
#3 gettype  (null)
#4 gettype  ("foo")
See also
function_exists, is_array, is_bool, is_callable, is_float, is_int, is_null, is_numeric, is_scalar, is_string, method_exists, settype
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