='$Starttime' and createdate"/> ='$Starttime' and createdate">
Home >Backend Development >PHP Tutorial > 变量无法赋值是咋回事
变量无法赋值是怎么回事?
$Starttime=$_get["starttime"];
$Endtime=$_get["endtime"];
$Time_temp="and createdate>='$Starttime' and createdate
$starttime,$endtime都有值,请问
echo $time_temp输入为:
and createdate>='' and createdate
是怎么回事?