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Search on PHP not Working

Posted on 2004-09-23
7
Medium Priority
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Last Modified: 2013-12-12
hello there,
what im trying to do now is to search on the same page key words that i type,
lets say city or zip code and to print out the tables that have the zip code or city.
please correct me this is what i have i think its the search what is wrong

<html>
<head>
<title>Welcome</title>
</head>
<body>
<FORM name="form2" action="pager.php" method="get">
<CENTER>
  <TABLE border="0" cellpadding="0" cellspacing="0">
    <TR>
      <TD></TD>
      <TD width="184" height="39" align="center">
        <TABLE border="0" cellpadding="0" cellspacing="0">
          <TR>
            <TD> <input type="text" name="q" size="20" maxlength="100" id="q" value="<?=$q?>">
            </TD>
            <TD><input type="submit" name="search" value="Search" id="search"></TD>
          </TR>
        </TABLE></TD>
    </TR>
  </TABLE>
</CENTER>
</FORM>
<?php
include("database.php");
   class Pager
   {
       function getPagerData($numHits, $limit, $page)
       {
           $numHits  = (int) $numHits;
           $limit    = max((int) $limit, 1);
           $page     = (int) $page;
           $numPages = ceil($numHits / $limit);

           $page = max($page, 1);
           $page = min($page, $numPages);

           $offset = ($page - 1) * $limit;

           $ret = new stdClass;

           $ret->offset   = $offset;
           $ret->limit    = $limit;
           $ret->numPages = $numPages;
           $ret->page     = $page;

           return $ret;
       }
}
// search start <<<<------
   $filter = "";
   if ($q)
{
   $nf = $mf = $nm = "";
   $words = explode(" ", $q);
   foreach ($words as $word)
{
   $mf .= ($mf!="" ? " OR ":"")."zip like '%$word%'";
   $nf .= ($nf!="" ? " OR ":"")."address like '%$word%'";
   $nm .= ($nm!="" ? " OR ":"")."city like '%$word%'";
}
   $filter = "WHERE $mf OR $nf OR $nm";
}
// search stop ----->>>>
// get the pager input values
    $page = $_GET['page'];
    $limit = 5;
    $result = mysql_query("select count(*) from db_street_locator");
    $total = mysql_result($result, 0, 0);

    // work out the pager values
    $pager  = Pager::getPagerData($total, $limit, $page);
    $offset = $pager->offset;
    $limit  = $pager->limit;
    $page   = $pager->page;

    // use pager values to fetch data
    $query = "select * FROM db_street_locator order by id desc limit $offset, $limit";
    $result = mysql_query($query);
// start mysql print ------->>>
      while ($row = mysql_fetch_array($result))
{
   list($id, $zip, $address, $city) = $row;
?>
<table width="45%" border="1" align="center">
  <tr>
    <td width="19%">address:</td>
      <td width="81%">
        <?=$address?>
      </td>
    </tr>
    <tr>
    <td>zip:</td>
      <td>
        <?=$zip?>
      </td>
    </tr>
    <tr>
    <td>city:</td>
      <td>
        <?=$city?>
      </td>
    </tr>
  </table>
<?php
}
// done mysql print <<<---------
?>
<table width="45%" border="1" align="center">
  <tr>
    <td><div align="center">
<?php
// start print the pager ------->>>
    // use $result here to output page content
    // output paging system (could also do it before we output the page content)
    if ($page == 1) // this is the first page - there is no previous page
        echo " ";
    else            // not the first page, link to the previous page
        echo "<a href=\"pager.php?page=" . ($page - 1) . "\">&lt;&lt;&lt; Previous</a>";
    for ($i = 1; $i <= $pager->numPages; $i++) {
      echo " ";
     if ($i == $pager->page)
          echo " $i";
      else
          echo "<a href=\"pager.php?page=$i\"> $i</a>";
}
  if ($page == $pager->numPages) // this is the last page - there is no next page
      echo " ";
  else            // not the last page, link to the next page
      echo " <a href=\"pager.php?page=" . ($page + 1) . "\"> Next &gt;&gt;&gt;</a>";
// done print the pager <<<---------
?>
</div>
</td>
  </tr>
</table>
</body>
</html>
0
Comment
Question by:Xtry
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7 Comments
 
LVL 9

Expert Comment

by:AlanJDM
ID: 12134347
You are building your where clause, but then never using it. $filter contains your where clause information, but $filter is never used in a query anywhere.


Alan
0
 

Author Comment

by:Xtry
ID: 12135041
ok i added $filter in

  $result = mysql_query("select count(*) from db_street_locator $filter"); and
  $query = "select * FROM db_street_locator $filter order by id desc limit $offset, $limit";
0
 

Author Comment

by:Xtry
ID: 12135585
but same thing
0
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LVL 32

Expert Comment

by:ldbkutty
ID: 12138265
Working here:  
----------------
http://jaggybala.clawz.com/xtry/pager.php

Script here:
-------------

<html>
<head>
<title>Welcome</title>
</head>
<body>
<FORM name="form2" action="pager.php" method="get">
<CENTER>
  <TABLE border="0" cellpadding="0" cellspacing="0">
    <TR>
      <TD></TD>
      <TD width="184" height="39" align="center">
        <TABLE border="0" cellpadding="0" cellspacing="0">
          <TR>
            <TD> <input type="text" name="q" size="20" maxlength="100" id="q" value="<?=(isset($_GET['q']) && !empty($_GET['q']))? $_GET['q'] : '' ?>">
            </TD>
            <TD><input type="submit" name="search" value="Search" id="search"></TD>
          </TR>
        </TABLE></TD>
    </TR>
  </TABLE>
</CENTER>
</FORM>
<?php
include("database.php");
   class Pager
   {
       function getPagerData($numHits, $limit, $page)
       {
           $numHits  = (int) $numHits;
           $limit    = max((int) $limit, 1);
           $page     = (int) $page;
           $numPages = ceil($numHits / $limit);

           $page = max($page, 1);
           $page = min($page, $numPages);

           $offset = ($page - 1) * $limit;

           $ret = new stdClass;

           $ret->offset   = $offset;
           $ret->limit    = $limit;
           $ret->numPages = $numPages;
           $ret->page     = $page;

           return $ret;
       }
}
   $filter = "";

   if (isset($_GET['q']) && isset($_GET['search']) && !empty($_GET['search'])) {
       $nf = $mf = $nm = "";
       $words = explode(" ", $_GET['q']);
       foreach ($words as $word) {
           $mf .= ($mf!="" ? " OR ":"")."zip like '%$word%'";
           $nf .= ($nf!="" ? " OR ":"")."address like '%$word%'";
           $nm .= ($nm!="" ? " OR ":"")."city like '%$word%'";
       }
       $filter = "WHERE $mf OR $nf OR $nm";
  }

   // get the pager input values
    $page = isset($_GET['page']) ? $_GET['page'] : '';
    $limit = 5;
    $result = mysql_query("select count(*) from db_street_locator $filter") or die("Count Sql Error:".mysql_error());
    $total = mysql_result($result, 0, 0);

    // work out the pager values
    $pager  = Pager::getPagerData($total, $limit, $page);
    $offset = $pager->offset;
    $limit  = $pager->limit;
    $page   = $pager->page;

    // use pager values to fetch data
    $query = "select * FROM db_street_locator $filter order by id desc limit $offset, $limit";
    $result = mysql_query($query) or die("Select Sql Error:".mysql_error());

    while ($row = mysql_fetch_array($result)) {
       list($id, $zip, $address, $city) = $row;
?>

<table width="45%" border="1" align="center">
  <tr>
    <td width="19%">address:</td>
      <td width="81%">
        <?=$address?>
      </td>
    </tr>
    <tr>
    <td>zip:</td>
      <td>
        <?=$zip?>
      </td>
    </tr>
    <tr>
    <td>city:</td>
      <td>
        <?=$city?>
      </td>
    </tr>
  </table>  <br><br>
<?php
}
?>
<table width="45%" border="1" align="center">
  <tr>
    <td><div align="center">

<?php
    // use $result here to output page content
    // output paging system (could also do it before we output the page content)
    if ($page == 1) // this is the first page - there is no previous page
        echo " ";
    else            // not the first page, link to the previous page
        echo "<a href=\"pager.php?page=" . ($page - 1) . "\">&lt;&lt;&lt; Previous</a>";
    for ($i = 1; $i <= $pager->numPages; $i++) {
      echo " ";
     if ($i == $pager->page)
          echo " $i";
      else
          echo "<a href=\"pager.php?page=$i\"> $i</a>";
}
  if ($page == $pager->numPages) // this is the last page - there is no next page
      echo " ";
  else            // not the last page, link to the next page
      echo " <a href=\"pager.php?page=" . ($page + 1) . "\"> Next &gt;&gt;&gt;</a>";

?>
      </div>
    </td>
   </tr>
</table>
</body>
</html>

Glad if it helps you. :-)
0
 
LVL 32

Expert Comment

by:ldbkutty
ID: 12138795
oops...i think some problem...please wait, i will have look and update again :-)
0
 
LVL 32

Accepted Solution

by:
ldbkutty earned 2000 total points
ID: 12139218
updated the above link :-)

updated script here:

<html>
<head>
<title>Welcome</title>
<script language="JavaScript">
function checkEnter(formObj,evt) {
  if (document.all) {
    if (event.keyCode==13) {
      document.form2.submit();
    }
  }
  if (document.layers) {
    if (evt.which==13) {
      document.form2.submit();
    }
  }
}
</script>
</head>
<body>
<br><br><br>

<FORM name="form2" action="pager.php" method="get">
<CENTER>
  <TABLE border="0" cellpadding="0" cellspacing="0">
    <TR>
      <TD></TD>
      <TD width="184" height="39" align="center">
        <TABLE border="0" cellpadding="0" cellspacing="0">
          <TR>
            <TD> <input type="text" name="q" size="20" maxlength="100" id="q" value="<?=(isset($_GET['q']) && !empty($_GET['q']))? $_GET['q'] : ''?>" onkeypress="checkEnter(event)">
            </TD>
            <TD><input type="submit" name="search" value="Search" id="search"></TD>
          </TR>
        </TABLE></TD>
    </TR>
  </TABLE>
</CENTER>
</FORM>
<?php
include("database.php");
   class Pager
   {
       function getPagerData($numHits, $limit, $page)
       {
           $numHits  = (int) $numHits;
           $limit    = max((int) $limit, 1);
           $page     = (int) $page;
           $numPages = ceil($numHits / $limit);

           $page = max($page, 1);
           $page = min($page, $numPages);

           $offset = ($page - 1) * $limit;

           $ret = new stdClass;

           $ret->offset   = $offset;
           $ret->limit    = $limit;
           $ret->numPages = $numPages;
           $ret->page     = $page;

           return $ret;
       }
}
   $filter = "";

   if (isset($_GET['q']) && !empty($_GET['q'])) {
       $words = explode(" ", $_GET['q']);
       foreach ($words as $word) {
           $filter .= ($filter == "" ? " WHERE " : " OR ") . "zip like '%$word%' OR address like '%$word%' OR city like '%$word%'";
       }
   }

   // get the pager input values
    $page = (isset($_GET['page']) && !empty($_GET['page'])) ? $_GET['page'] : 1;
    $limit = 2;

    $countQuery = "select count(*) from db_street_locator $filter";
    $result = mysql_query($countQuery) or die("Count Sql Error:".mysql_error());
    $total = mysql_result($result, 0, 0);

    if($total == 0)
       die("No result found. Please try again with another search");

    // work out the pager values
    $pager  = Pager::getPagerData($total, $limit, $page);
    $offset = $pager->offset;
    $limit  = $pager->limit;
    $page   = $pager->page;

   // use pager values to fetch data
    $query = "select * FROM db_street_locator $filter order by id desc limit $offset, $limit";
    $result = mysql_query($query) or die("Select Sql Error:".mysql_error());

    while ($row = mysql_fetch_array($result)) {
       list($id, $zip, $address, $city) = $row;
?>

<table width="45%" border="1" align="center">
  <tr>
    <td width="19%">address:</td>
      <td width="81%">
        <?=$address?>
      </td>
    </tr>
    <tr>
    <td>zip:</td>
      <td>
        <?=$zip?>
      </td>
    </tr>
    <tr>
    <td>city:</td>
      <td>
        <?=$city?>
      </td>
    </tr>
  </table>  <br><br>
<?php
}
?>
<table width="45%" border="1" align="center">
  <tr>
    <td><div align="center">

<?php

    $passParameter = ( isset($_GET['q']) && !empty($_GET['q'])) ? '&q='.$_GET['q'] : '';

    // use $result here to output page content
    // output paging system (could also do it before we output the page content)
    if ($page == 1) // this is the first page - there is no previous page
        echo " ";
    else            // not the first page, link to the previous page
        echo "<a href=\"pager.php?page=" . ($page - 1) . $passParameter. "\">&lt;&lt;&lt; Previous</a>";
    for ($i = 1; $i <= $pager->numPages; $i++) {
      echo " ";
     if ($i == $pager->page)
          echo " $i";
      else
          echo "<a href=\"pager.php?page=$i\"> $i</a>";
}
  if ($page == $pager->numPages) // this is the last page - there is no next page
      echo " ";
  else            // not the last page, link to the next page
      echo " <a href=\"pager.php?page=" . ($page + 1) . $passParameter ."\"> Next &gt;&gt;&gt;</a>";

?>
      </div>
    </td>
   </tr>
</table>
</body>
</html>

I tested with limit as 2, you can change it in the program for your need. Feel free to contact me in case of doubts. :-)
0
 

Author Comment

by:Xtry
ID: 12142487
thank-you very much!
0

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