Description:
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the parameter and return description for floatval() and intval() differs

but both behave exactly the same way

floatval(): var - May be any scalar type. You cannot use floatval() on arrays or objects.


intval(): var - The scalar value being converted to an integer
Return Values: [...] Empty arrays and objects return 0, non-empty arrays and objects return 1. 

but both functions are accepting array as var and throw notice on objects




Reproduce code:
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echo intval(array()); // 0
echo intval(array(1,2,3)); // 1
echo intval(new stdClass); // 1
Notice: Object of class stdClass could not be converted to int in php shell code on line 1

echo floatval(array()); // 0
echo floatval(array(1,2,3)); // 1
echo floatval(new stdClass); // 1
Notice: Object of class stdClass could not be converted to double in php shell code on line 1