,,"CS Speech Drop Call Rate %","CS64 Drop Call Rate %","DCR_PS_R99_Eric","DCR_HS_P7_Eric","pmNoNormalRabReleasePacketUra","pmNoNormalRabReleasePacket","pmNoNormalRbReleaseHs","pmNoSystemRbReleaseHs","pmNoSuccRbReconfOrigPsIntDch","pmChSwitchSuccFachUra","pmNoSystemRabReleasePacketUra","pmNoSystemRabReleasePacket","pmUpswitchFachHsSuccess","pmNoSystemRbReleaseEul","pmNoNormalRbReleaseEul","pmEulToDchSuccess","pmPsIntHsToFachSucc","pmNoSystemRabReleaseSpeech","pmNoNormalRabReleaseSpeech"
"W38314011","9 Nov 11",0.44 %,,1.36 %,0.20 %,14,4657,4116,12,51,362,11,36,1136,8,1608,57,1604,1,226
,"10 Nov 11",0.75 %,,1.14 %,0.17 %,12,7593,6984,15,99,427,19,47,1226,10,2559,37,1735,2,265
,"11 Nov 11",0.31 %,0.00 %,0.94 %,0.19 %,11,7613,6951,17,66,232,13,39,1000,14,2411,41,1593,1,325
,"12 Nov 11",0.00 %,,1.33 %,0.37 %,9,5507,4850,25,53,335,12,51,993,22,2470,50,1586,0,325
,"13 Nov 11",1.14 %,0.00 %,1.69 %,0.21 %,12,7158,6440,18,47,291,12,48,1191,15,2839,59,1781,3,261
,"14 Nov 11",0.00 %,,1.59 %,0.25 %,19,6351,5660,20,97,348,13,51,1349,17,2732,54,1918,0,286
,"15 Nov 11",0.25 %,,0.95 %,0.15 %,19,8994,8289,17,125,340,14,42,1870,15,3539,48,2548,1,400
"W38314021","9 Nov 11",0.53 %,,1.17 %,0.14 %,51,13429,11715,24,125,916,32,88,2676,16,5087,520,4126,3,563
,"10 Nov 11",0.63 %,0.00 %,2.06 %,0.21 %,53,16527,14381,44,147,953,52,163,3441,29,6123,549,5232,4,632
,"11 Nov 11",0.23 %,,0.63 %,0.13 %,63,15273,13069,27,221,1112,50,99,3514,17,5952,544,5318,2,876
,"12 Nov 11",0.13 %,0.00 %,1.65 %,0.13 %,34,15788,13911,25,146,1052,49,125,2818,17,5828,512,4330,1,741
,"13 Nov 11",0.22 %,,2.76 %,0.15 %,46,13034,11555,25,111,848,31,124,2310,12,5443,386,3514,1,463
,"14 Nov 11",0.37 %,,3.59 %,0.14 %,47,14621,12934,27,153,1131,41,177,3172,17,6410,581,4489,3,805
,"15 Nov 11",0.38 %,0.00 %,3.62 %,0.14 %,42,15307,13323,27,174,866,55,194,2948,22,7244,548,4623,3,785
我有一个像这样的csv（5 MB）文件。两个空“，”表示两个标题，一个表示值，一个表示日期。 从第二行开始，仅在一周中的一天给出值，其中第一列中的其他6天是空的。然后给出下周第一天的值，依此类推..........
我需要一个PHP代码来复制一周中所有7天的值。