Program to find the sum of a Series ( 1 * 1 ) + ( 2 * 2 ) + ( 3 * 3 ) + ( 4 * 4 ) + ( 5 * 5 ) + ... + ( n * n ) | Function to calculate the following series ; Driver Code
< ? php function Series ( $ n ) { $ i ; $ sums = 0 ; for ( $ i = 1 ; $ i <= $ n ; $ i ++ ) $ sums += ( $ i * $ i ) ; return $ sums ; } $ n = 3 ; $ res = Series ( $ n ) ; echo ( $ res ) ; ? >