//把全角数字转为半角数字 functionGetAlabNum($fnum){ $nums=array('０','１','２','３','４','５','６','７','８','９','．','－','＋','：'); $fnums=array('0','1','2','3','4','5','6','7','8','9','.','-','+',':'); $fnlen=count($fnums); for($i=0;$i<$fnlen;$i++)$fnum=str_replace($nums[$i],$fnums[$i],$fnum); $slen=strlen($fnum); $oknum=''; for($i=0;$i<$slen;$i++){ if(ord($fnum[$i])>0x80)$i++; else$oknum.=$fnum[$i]; } if($oknum=="")$oknum=0; return$oknum; }