PHP随机颜色生成器

1. function randomColor() {
2. $str = '#';
3. for($i = 0 ; $i < 6 ; $i++) {
4. $randNum = rand(0 , 15);
5. switch ($randNum) {
6. case 10: $randNum = 'A'; break;
7. case 11: $randNum = 'B'; break;
8. case 12: $randNum = 'C'; break;
9. case 13: $randNum = 'D'; break;
10. case 14: $randNum = 'E'; break;
11. case 15: $randNum = 'F'; break;
12. }
13. $str .= $randNum;

复制代码