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Notice: Undefined offset: 4

Posted on 2013-01-27
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Last Modified: 2016-03-18
I have a small php page in sugarcrm project:
I am getting following error:
Notice: Undefined offset: 4 in C:\Projects\SugarCE-Full-6.5.9\modules\ppi_reports\index.php on line 47
echo $row[$i] . '          ';   // error this line 47
Display on screen:
Monthly New Preliminary Investigations Report
Menu: 'db:' . sugarcrm . ' tbl:' . dyn_menu
Cols:id label link_url parent_id Rows:36
1
Edit Admin
/index_paginated2.php
1
Notice: Undefined offset: 4 in C:\Projects\SugarCE-Full-6.5.9\modules\ppi_reports\index.php on line 47
Data in dyn_menu table:
 edit      id      label      link_url      parent_id
 edit      1      Edit Menu             0
 edit      2      Edit Admin             0
 edit      3      View Pagination      /index_paginated2.php      1
 edit      4      Add New      /index_new.php      1
 edit      5      View Pagination      ../../phpMaker/AdminTable/index_paginated.php      2
 edit      6      Add New      ../../phpMaker/AdminTable/index_new.php      2
For clarity the full code is below:
Thanks in advance for any help given.
<?php
//'dbconfig' =>array ('db_host_name' => 'localhost','db_host_instance' => 'SQLEXPRESS','db_user_name' => 'root','db_password' => 'H6web97!','db_name' => 'sugarcrm','db_type' => 'mysql','db_port' => '','db_manager' => 'MysqliManager',),
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
$report_title = "Monthly New Preliminary Investigations Report";
$sql = "SELECT id, label, link_url, parent_id FROM dyn_menu ORDER BY parent_id, id ASC";
$sql2 = "No entry point ";
$db_name= $sugar_config['dbconfig']['db_name'];
$setup_db_host_name = $sugar_config['dbconfig']['db_host_name'];
$setup_db_admin_user_name = $sugar_config['dbconfig']['db_user_name'];
$setup_db_host_instance = $sugar_config['dbconfig']['db_host_instance'];
$setup_db_admin_password = $sugar_config['dbconfig']['db_password'];
$table_name =  'dyn_menu';
echo "<h2>$report_title</h2>";
 if (!sugarEntry)
   {
    echo "<table width=100% cellspacing=0 cellpading=0>";
    echo "<tr>";
    echo "<td>$sql2</td>";
    echo "</tr>";
    echo "</table>";
   die('<br/>No Menu:<br/>' . mysql_error());
   }
   else
   {
echo "Menu: 'db:' . $db_name . '          tbl:' . $table_name<br/>";
$link = @mysql_connect($setup_db_host_name, $setup_db_admin_user_name, $setup_db_admin_password);
mysql_select_db('information_schema');
$qu="SELECT column_name FROM information_schema.columns WHERE table_schema = '".$db_name."' AND table_name = '".  $table_name."'";
$ct =mysql_query($qu,$link);
//$cols= '';
$colsDrop = array();
echo 'Cols:';
while($row = mysql_fetch_assoc($ct)){
$colsDrop[] =$row['column_name'];
echo $row['column_name'] . '                         ';
}
$i = 0;
$link = @mysql_connect($setup_db_host_name, $setup_db_admin_user_name, $setup_db_admin_password);
mysql_select_db("$db_name");
//$qu = "SELECT id, label, link_url, parent_id FROM dyn_menu ORDER BY parent_id, id ASC";
$qu="SELECT * FROM $table_name ";
$ct =mysql_query($qu,$link);
$numRows = mysql_num_rows($ct);
echo 'Rows:' . $numRows . '<br/>';
while ($i < mysql_num_rows($ct)) {
$row = mysql_fetch_row($ct);
echo $row[$i] . '          ';   // error this line 47
$i++;
echo '<br/>';
}
    //return $colsDrop;

   }
?>
0
Comment
Question by:homeshopper
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5 Comments
 
LVL 42

Expert Comment

by:sedgwick
ID: 38824123
please post the code between code tags, makes it easier to review it


echo $row[$i] . '          ';   // error this line 47
make sure $i < $row array size
usually that is what the error indicates.
0
 

Author Comment

by:homeshopper
ID: 38824234
Thanks, nearly got it working. new code as follows:
$i = 0;
$link = @mysql_connect($setup_db_host_name, $setup_db_admin_user_name, $setup_db_admin_password);
mysql_select_db("$db_name");
//$qu = "SELECT id, label, link_url, parent_id FROM dyn_menu ORDER BY parent_id, id ASC";
$qu="SELECT * FROM $table_name ";
$ct =mysql_query($qu,$link);
$numRows = mysql_num_rows($ct);
echo 'Rows:' . $numRows . '<br/>';
while ($i < mysql_num_rows($ct)) {
$row = mysql_fetch_row($ct);
$j = 0;
while ($j < 3){  // line 48 needs change
echo $row[$j] . '          '; 
$j++;  
}
$i++;
echo '<br/>';
}

Open in new window

while ($j < 3){  // line 48 needs change
how can I put number of columns as variable instead of '3' ?
0
 
LVL 42

Accepted Solution

by:
sedgwick earned 2000 total points
ID: 38824266
$num_columns = mysql_num_fields($ct);
while ($j < $num_columns){ 

Open in new window

0
 

Author Comment

by:homeshopper
ID: 38824275
Thanks for the help, I'll award points.
0
 
LVL 42

Expert Comment

by:sedgwick
ID: 38824283
thank you.
0

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