This function will attempt to convert a given value into a boolean data type, where the value will be returned as true if it is greater than 0.5 and false otherwise.
bool(n);
Argument Description n The value to convert.
Boolean
if !is_bool(val)
{
val = bool(val);
}
The above code checks the variable "val" to see if it is a boolean and if it is not then it is converted to one.