Unplug the refrigerator. Mark the wires so you know where they go into the switch. Take out the switch and tube. Go to an appliance parts store with the switch and tube and the model and serial number of the refrigerator and get a new part. Do not kink, bend, or fold the new tube as you carry it home or install it.
A string variable is an array of characters. char a[10]; Which can hold any string value , that has a lenght less than or equal to the size of the character array. Whereas a string constant , is a particular string .
is_float() - Finds whether the type of a variable is float. is_int() - Find whether the type of a variable is integer. is_bool() - Finds out whether a variable is a boolean. is_object() - Finds whether a variable is an object. is_array() - Finds whether a variable is an array.