摘要：
//冒泡排序 // $arr = array(12,45,89,3,24,55,223,76,22,11,89,2,4,5,28,112,20,434,23,65,65,765,6,8,23,5,33,553,45,423,64,77,84,23); $arr = array(100,800,200,300); $tmp; for($i=0;$i $arr[$j+1]){ ... 阅读全文
摘要：
//经纬度算法 $pi80 = M_PI / 180; $lat1=34.7465763; $lng1=113.65778739999996; $lat2=34.684795; $lng2=112.43594499999995; $lat1 *= $pi80; $lng1 *= $pi80; $lat2 *= $pi80; $lng2 *... 阅读全文