PHP 語法:
*
"*"*
"*"*"*
"*"*"*"*
"*"*"*"*"*
"*"*"*"*"*"*
"*"*"*"*"*"*"*
"*"*"*"*"*"*"*"*
"*"*"*"*"*"*"*"*"*
"*"*"*"*"*"*"*"*"*"*
10 CLS
15 S="*"
20 FOR I=1 TO 10
30 PRINT SPACE(10-I);
40 FOR J=1 TO I
50 PRINT S;
60 NEXT J
70 S=S+"**"
75 PRINT
80 NEXT I
發現一個有趣的bug
70行的狀況完全沒有考慮到