Driver Code
$ s = " abujm ▁ zvcd ▁ acefc ▁ deghf ▁ gijkle " . " ▁ m ▁ n ▁ o ▁ p ▁ pafqrstuvwxyzfap " ; $ n = strlen ( $ s ) ; if ( isPanalphabeticWindow ( $ s , $ n ) ) echo ( " YES " ) ; else echo ( " NO " ) ; ? >