問題が発生しました。既に定義されているにもかかわらず、未定義の変数というエラーが表示されます。スニペットは次のとおりです。
名前.php
session_start();
$uname=$_SESSION['login'];
$host="localhost";
$username="root";
$password="";
$db_name="sampledb";
$tbl_name="tblsched";
$cd = date("F d");
$cd1 = date("Y-n-d");
$ctr = 0;
// retrieving values from cookies that were created is located before this function
function mymainfunc()
{
dateto();
datefrom();
sunday();
monday();
tuesday();
thursday();
wednesday();
friday();
satday();
$arrayto = array();
$arrayfrom = array();
$arraysu=array();
$arraysa=array();
$arraym=array();
$arraytu=array();
$arrayw=array();
$arrayth=array();
$arrayf=array();
$arrayto = dateto();
$arrayfrom = datefrom();
$arraysu=sunday();
$arraysa=satday();
$arraym=monday();
$arraytu=tuesday();
$arrayw=wednesday();
$arrayth=thursday();
$arrayf=friday();
for($x=0;$x<=count($arrayto);$x++)
{
echo "<tr>";
echo "<td align=$tdali bgcolor=$bgcolor>"+ $arrayfrom[x] + "-" + $arrayto[x] + "</td>";
echo "<td align=$tdali>" + $arraysu[x] + "</td>";
echo "<td align=$tdali>" + $arraym[x] + "</td>";
echo "<td align=$tdali>" + $arraytu[x] + "</td>";
echo "<td align=$tdali>" + $arrayw[x] + "</td>";
echo "<td align=$tdali>" + $arrayth[x] + "</td>";
echo "<td align=$tdali>" + $arrayf[x] + "</td>";
echo "<td align=$tdali>" + $arraysa[x] + "</td>";
echo "</tr>";
}
}
//the other functions are found before this function
function dateto()
{
$sql="SELECT SchedTimeTo FROM $tbl_name WHERE teacherID=(SELECT teacherID FROM tblteacher WHERE teacherName=$uname) AND SchedDateFrom<=$cd1 AND SchedDateTo>=$cd1";
$result=mysql_query($sql);
$count=mysql_num_rows($result);
$row = mysql_fetch_array($result);
$STF = array();
$STF[] = $row;
return $STF;
}
displayhere.php
// このスニペットを
<?php
include "names.php";
mymainfunc();
?>
助言がありますか??ただし、他の関数はエラーを返しませんでした
関数dateto()のSQL部分に未定義の変数tbl_nameと書かれています