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PHP 实现查询结果动态组合输出

      数据库中查询到以下的结果:
     cname      linename    minute
     aa              c1                 180
     aa              c2                  150
     bb              c1                   10
     bb              c3                    20
     ee              c4                     200
如果需要把以上结果以以下的形式显示:
   cname     c1        c2         c3         c4
     aa          180      150      0           0
     bb           10        0         20         0
   


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