Program to find Perimeter / Circumference of Square and Rectangle | PHP program to find Circumference of a square ; Driver Code
< ? php function Circumference ( $ a ) { return 4 * $ a ; } $ a = 5 ; echo " Circumference ▁ of ▁ a ▁ " . " square ▁ is ▁ " , Circumference ( $ a ) ; ? >