Program to print Collatz Sequence | PHP program to print Collatz sequence ; We simply follow steps while we do not reach 1 ; If $n is odd ; If even ; Print 1 at the end ; Driver code
< ? php function printCollatz ( $ n ) { while ( $ n != 1 ) { echo $ n . " " ; if ( $ n & 1 ) $ n = 3 * $ n + 1 ; else $ n = $ n / 2 ; } echo $ n ; } printCollatz ( 6 ) ; ? >