我正在尝试使循环变量变量可以在循环之外访问。一切正常,但我在这段代码中遇到了麻烦:
$dayVar."_count" = $dayVarCount;
完整代码如下:
<?php
$day_1="sep_28";
$day_2="sep_29";
$day_3="sep_30";
$query = mysql_query("SELECT * FROM table WHERE id = '$id'");
while ($row = mysql_fetch_assoc($query))
{
for ($i = 1; $i <= 3; $i++)
{
$dayVar = "day_".$i;
$dayVarCount = $row[$$dayVar];
echo $$dayVar . ': ' . $dayVarCount . '<br>';
$dayVar."_count". = $dayVarCount;
}
}
echo "$day_3_count";
?>