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9.0

Php script not testing correctly for no return from database query.

Asked by annasue in PHP and Databases

I have a script which is supposed to search my database and return results.  If it finds something, it is working correctly; however, if it doesn't find anything, the test is not working right and it acts as if it DID find something.

Here's the script: - see about line 186.

----------------

<HTML>
<HEAD>
<TITLE>Huntsville High School Reunion - Class of 1980 - Huntsville, Alabama</TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<script language="JavaScript">
<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
</HEAD>
<BODY BGCOLOR=#FFFFFF LEFTMARGIN=0 TOPMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0 text="#003366" link="#990000" vlink="#003366" alink="#003366" background="bkgrnd.jpg" onLoad="MM_preloadImages('images/format2_02.jpg','images/format2_04.jpg','images/format2_05.jpg','images/format2_06.jpg','images/format2_07.jpg','images/format2_08.jpg','images/format2_09.jpg','images/format2_10.jpg','images/format2_11.jpg','images/format2_12.jpg')">
<!-- ImageReady Slices (format.psd) -->
<TABLE WIDTH=700 BORDER=0 CELLPADDING=0 CELLSPACING=0 align="center" bgcolor="#FFFFFF">
  <TR>
    <TD COLSPAN=2> <IMG SRC="images/format_01.jpg" ALT="" width="700" height="157"></TD>
  </TR>
  <TR>
    <TD valign="top"><a href="reunion.html" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image12','','images/format2_02.jpg',1)">
      </a><a
      onMouseOver="MM_swapImage('Image12','','images/format2_02.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/reunion.html"><img height=29
      src="images/format_02.jpg" width=193 border=0 name=Image12></a><br>
      <a
      onMouseOver="MM_swapImage('Image13','','images/format2_04.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/searchalumni.php"><img height=28
      src="images/format_04.jpg" width=193 border=0 name=Image13></a><br>
      <a
      onMouseOver="MM_swapImage('Image14','','images/format2_05.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/keyevents.html"><img height=29
      src="images/format_05.jpg" width=193 border=0 name=Image14></a><br>
      <a
      onMouseOver="MM_swapImage('Image15','','images/format2_06.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/guestbook.html"><img height=28
      src="images/format_06.jpg" width=193 border=0 name=Image15></a><br>
      <a
      onMouseOver="MM_swapImage('Image16','','images/format2_07.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/missing.html"><img height=29
      src="images/format_07.jpg" width=193 border=0 name=Image16></a><br>
      <a
      onMouseOver="MM_swapImage('Image17','','images/format2_08.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/contact.html"><img height=29
      src="images/format_08.jpg" width=193 border=0 name=Image17></a><br>
      <a
      onMouseOver="MM_swapImage('Image18','','images/format2_09.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.weather.com/weather/local/USAL0287?from=search_city" target="_blank"><img height=28
      src="images/format_09.jpg" width=193 border=0 name=Image18></a><br>
      <a
      onMouseOver="MM_swapImage('Image19','','images/format2_10.jpg',1)"
      onMouseOut=MM_swapImgRestore() href="http://www.hsv.k12.al.us/schools/high/hhs/" target="_blank"><img
      height=29 src="images/format_10.jpg" width=193 border=0
      name=Image19></a><br>
      <a
      onMouseOver="MM_swapImage('Image20','','images/format2_11.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/links.html"><img height=28
      src="images/format_11.jpg" width=193 border=0 name=Image20></a><br>
      <a
      onMouseOver="MM_swapImage('Image21','','images/format2_12.jpg',1)"
      onMouseOut=MM_swapImgRestore()
      href="http://www.hhs1980.com/index.html"><img height=71
      src="images/format_12.jpg" width=193 border=0 name=Image21></a></TD>
    <TD width="507" valign="top">
      <table width="95%" border="0" cellspacing="0" cellpadding="0" align="center">
        <tr>

<?
 
$db = mysql_connect ("localhost", "hhs1980", "harrell") or die ('I cannot connect to the database because: ' . mysql_error());

mysql_select_db("hhs1980_book1",$db);

if (($submit == "") || ($submit == "nosubmit"))
{
?>
          <td>
            <p align="center"><font face="Century Schoolbook"><b>Search for Alumni<br>
            Enter search criteria in as many fields as you like.<br>Please report any database problems to <a href=mailto:annasue@comcast.net>the Webmaster.</a></b></font></p>
            <p align="center">

<form method="post" action="searchalumni.php">
  <p><span class="style2"><span class="style3"><font face="Century Schoolbook"><b>First Name</b></font></span>:</span>    
    <input type="text" name="first_name"/>
    <br/>
    <br>
    <span class="style3"><font face="Century Schoolbook"><b>Last Name: </b></font></span>
<input type="text" name="last_name"/>
<br/>
<br>
<span class="style3"><font face="Century Schoolbook"><b>Married Name: </b></font></span>
<input type="text" name="married_name" />
<br/>
<br>
<span class="style3"><font face="Century Schoolbook"><strong>Yearbook information:<br><font face="Century Schoolbook" size=2>In this field, enter any keywords (separated by spaces) as you think might be appropriate such as "Spanish club" (don't include the quotes.)</strong></font></span></p>
  <p>  <input type="text" name="keywords" />
  <br/>
    <br>
  </p>
  <input type="submit" name="submit" value="Submit" />
</form>

</p>
            </td>
        </tr>
      </table>
     
<?
}

if ($submit == "Submit")

{
      if (($first_name == "") && ($last_name == "") && ($married_name == "") && ($keywords == ""))
      {
            echo("<center><font face=\"Century Schoolbook\">You must enter search data in at least one field.<br>Please report any database problems to <a href=mailto:annasue@comcast.net>the Webmaster.</a>");
      }
      
      else
            {
?>
<?
                  if ($first_name !== "")
                        {
                              $sql_statement .= "`first_name` LIKE '%$first_name%' && ";
                        }
                  if ($last_name !== "")
                        {
                              $sql_statement .= "`last_name` LIKE '%$last_name%' && ";
                        }
                  if ($married_name !== "")
                        {
                              $sql_statement .= "`married_name` LIKE '%$married_name%' && ";
                        }
                  if ($keywords !== "")
                        {
                              $all_keywords = explode(" ",$keywords);
                              $count = count($all_keywords);
                              for ($p = 0; $p <= $count; $p++)
                              {
                                    if ($all_keywords[$p] != "")
                                    {
//print "$all_keywords[$p] - KEYWORDS<br>";
                                          if ($p != $count)
                                          {
                                                $sql_statement .= "`yearbookinfo` LIKE '%$all_keywords[$p]%' OR ";
                                          }                  
                                    else
                                    {
                                          $sql_statement .= "`yearbookinfo` LIKE '%$all_keywords[$p]%' && ";
                                    }
                              }    
                        }
                  }

      $sql_statement = ereg_replace(" && $","",$sql_statement);
      $sql_statement = ereg_replace(" OR $","",$sql_statement);
      $sql_statement = str_replace("\" ","\"",$sql_statement);
//      $sql_statement_to_run = "Select * from `hhsreunion` WHERE  'first_name' LIKE '%zzz%' ";
      $sql_statement_to_run = "Select * from `hhsreunion` WHERE  $sql_statement ";
      print "$sql_statement_to_run = STATEMENT<br>";
      $result_seniors = mysql_query($sql_statement_to_run);
if (!$result_seniors) {
   die('Your search did not yield any return from the database.<br>Click <a href=searchalumni.php?submit=nosubmit>here</a> to return to the search page.</font><br></center> ' .  
   mysql_error());
      }
      else
       {
?>
          <td>
            <p align="center"><font face="Century Schoolbook"><b>Results of Search<br>Click on a photo to see more details.<br>Please report any database problems to <a href=mailto:annasue@comcast.net>the Webmaster.</a><br><font color=red>Missing</font> means we cannot locate the senior; if you have any information, please email it to <a href=mailto:S15diane@yahoo.com>S15diane@yahoo.com</a>.</b></font></p>
            <p align="center">
<p>
<table align="center" border=1>

<?
      $num_rows = mysql_num_rows($result_seniors);
      if ($num_rows != 0)
      {
            while ($line = mysql_fetch_row($result_seniors))
            {
                  foreach ($line as $col_value)
                     {
                     $first_name = $line[0];
                     $last_name = $line[1];
                     $married_name = $line[2];
                           if ($married_name == "")
                           {
                                 $married_name = "&nbsp;";
                           }
                     $status = $line[3];
                           if ($address == "")
                           {
                                 $status = "&nbsp;";
                           }
                           if ($status == "M")
                           {
                                 $status = "<br><font color=red>Missing</font>";
                           }
                        if ($status == "D")
                        {
                              $status = "<br><font color=red>Deceased</font>";
                        }                                 
                     $address = $line[4];
                           if ($address == "")
                           {
                                 $address = "&nbsp;";
                           }
                     $email = $line[5];
                           if ($email == "")
                           {
                                 $email = "&nbsp;";
                           }
                     $yearbookinfo = $line[6];
                     $yearbookphoto = $line[7];
                     $currentinfo = $line[8];
                           if ($currentinfo == "")
                           {
                                 $currentinfo = "&nbsp;";
                           }
                     $newphoto = $line[9];
                           if ($newphoto == "")
                           {
                                 $newphoto = "&nbsp;";
                           }
?>
<tr>
<td align=center><font size=2 face=Arial><b><u>First Name</td>
<td align=center><font size=2 face=Arial><b><u>Last Name</td>
<td align=center><font size=2 face=Arial><b><u>Married Name</td>
<td align=center><font size=2 face=Arial><b><u>Yearbook Photo</td>
</tr>
  <tr>
    <td align=center><font face="Verdana, Arial, Helvetica, sans-serif" size=2><b>
      <?php echo $first_name ?><?php echo $status ?></b></font>
    <td align=center><font face="Verdana, Arial, Helvetica, sans-serif" size=2><b>
      <?php echo $last_name ?></font>
    <td align=center><font face="Verdana, Arial, Helvetica, sans-serif" size=2><b>
      <?php echo $married_name ?></font>
    <td align=center><font face="Verdana, Arial, Helvetica, sans-serif" size=2><a href="individual.php?first_name=<? echo $first_name ?>&last_name=<? echo $last_name ?>"><img src="photos/<?php echo $yearbookphoto ?>"</a></font>
    </tr>
<?
      break;
            }
                  }
?>


<?php
                        }
                  }
            }
      }
?>

</table>

<center>Click <a href=searchalumni.php?submit=nosubmit>here</a> to return to the search page.</font><br></center>

     <P align=center><FONT face="Century Schoolbook" color=#ff0000 size=5>1980
        - the Class with Class!!!</FONT></P>
      <P align=center><FONT face="Century Schoolbook" color=#ff0000
      size=4><B><FONT size=5>GO BIG RED!!!</FONT></B></FONT></P>
      <P align=center><IMG height=23 src="hrline.jpg"
    width=507></P>
 
    </TD>
  </TR>
</TABLE>
<!-- End ImageReady Slices -->
</BODY>
</HTML>
[+][-]09/05/05 08:17 AM, ID: 14823929Accepted Solution

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Zone: PHP and Databases
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Solution Provided By: WoodyRoundUp
Participating Experts: 2
Solution Grade: A
 
[+][-]09/05/05 11:24 PM, ID: 14827005Assisted Solution

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[+][-]02/08/06 02:18 AM, ID: 15900960Administrative Comment

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[+][-]02/12/06 10:57 AM, ID: 15935935Administrative Comment

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