[Erledigt] Problem beim Suchen Ergebnisse

06.12.2004, 12:06

Hi, everybody

I am tring to build a search function with PHP and keyword matching(without mysql) for my homepage. The search function has already worked. however, the search results are just displayed in one page. So I want to change it to represent in multipage. for example 5 results pre page. 12 results will be arranged in 3 pages.

But now I met a big problem.

It shows nothing if I click the second or third page. I am not sure if the code is correct. Any help and suggestions are welcome. Thanks in advance.

PHP-Code:

  <?php

$found = "0"; 

   $file_type = ".html"; 

   $directory = opendir('.'); 

   $limit = 5; 

 
   $page = $_REQUEST['page']; 

   $query = $_POST['query']; 

 
 
   if (!isset($_GET['page'])) { 

    $page = 1; 

   } 

 
   if($page > 1){ 

    $query = $_REQUEST['query']; 

   } 

 
    if(strlen($search) < 3){ 

    echo "Please enter more characters in this field."; 

               exit(); 

   } 

?>

... searching process

PHP-Code:

  <?php

if($found != "0"){ 

           echo "$found Results found for \" $search \"

"; 

           $arr = explode("\n", $arr); 

           natsort($arr); 

 
           reset($arr); 

 
           $arr = array_reverse($arr); 

 
       // create multipages for Search Results 

       $num_rows = sizeof($arr); 

       $sOut = "<center>

 - "; 

       $num_pages = ceil($num_rows / $limit); 

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

      $last = $first + $limit; 

 
       // output the results saved in Array 

       for($i=$first; $i<$last; $i++) { 

        $output .= $arr[$i]."\n"; 

       } 

       print $output; 

 
       for($x=1;$x<=$num_pages;$x++){ 

        $pos_page = ($x - 1) * $limit; 

 
  if($pos_page != $page){ 

     $sOut .= "<a href=\"$PHP_SELF?query=$query&page=".($pos_page + 1)."\">$x</a> - "; 

   } 

           else{ 

        $act_page = $x; 

        $sOut .= "<font style=\"font-weight: bold\">$x</font> - "; 

     } 

       } 

   $sOut .= "
[b]Page $act_page from $num_pages pages[/b]
"; 

       $sOut .= "</p></center>"; 

       echo $sOut; 

} 

?>

imported_Ben · 06.12.2004, 12:32

hi,

i actually have no possibility to test the code, so it maybe contains errors.
try to understand it and ask if you have problems with it.

PHP-Code:

  <?php 

   // start the session 

   session_start(); 

 
   // number of results per page 

   $perpage = 2; 

 
   if( isset($_GET['start'],$_SESSION['result']) 

       && 

       is_numeric($_GET['start']) 

       && 

       $_GET['start'] > 0 

       && 

       $_GET['start'] <= count($_SESSION['result']) 

     ) 

   { 

      // show more pages 

      

      for( $i = $_GET['start']; $i < ($_GET['start']+ $perpage); $i++ ) 

      { 

          if( $i < count($_SESSION['result']) ) 

          { 

               echo ($i+1) . '. ' . $_SESSION['result'][$i] . '
'; 

          } 

      } 

 
      // check if another 'next'-link is necessary 

 
      if( count($_SESSION['result']) > ($_GET['start'] + $perpage) )

      { 

          echo '
'; 

          echo '[url="' . $_SERVER['PHP_SELF'] . '?start=' . ($_GET['start'] + $perpage) . '"]next page[/url]'; 

      } 

 
 
   } 

   else 

   { 

      // fill the resultset 

      // replace this with your search process 

 
      $_SESSION['result'] = array( 'first', 

                                   'second', 

                                   'third', 

                                   'fourth', 

                                   'fifth', 

                                   'sixth', 

                                   'seventh' ); 

 
 
      // show the first page of results 

      for( $i = 0; $i < $perpage; $i++ ) 

      { 

          if( $i < count($_SESSION['result']) ) 

          { 

               echo ($i+1) . '. ' . $_SESSION['result'][$i] . '
'; 

          } 

      } 

 
 
      // check if a 'next'-link is necessary 

 
      if( count($_SESSION['result']) > $perpage ) 

      { 

          echo '
'; 

          echo '[url="' . $_SERVER['PHP_SELF'] . '?start=' . $perpage . '"]next page[/url]'; 

      } 

 
   } 

 
?>

this is only an idea to solve your problem

maybe you can improve it?

have fun and success.

ben

edited:
i corrected the code. it contained several errors

sorry for that.
now you should be able to work with it.

@all:
hmm .. i posted wrong code and nobody realized it? :shosk:
why you do not try to answer questions that are written in English language?
maybe some of us should think about that.

und nein .. mein englisch ist wirklich nicht gut ^^

06.12.2004, 20:40

Hi Ben

Ich danke dir für die ausführliche Erklärung und Hilfen.

Es funktioniert schon! Davon habe ich auch gelehrt, kleinigkeit muss man immer aufpassen.

06.12.2004, 22:55

The function of Pagination works, but there is always a bug.
if I try to come back to the first page, the search result turns to zero(a blank page). what's the matter with it?

I looked through the query seems also correct.

../search.php?query=test&page=1 <- it doesn't work.
../search.php?query=test&page=2 <- it works, if I click the second page
../search.php?query=test&page=3 <- it also works

PHP-Code:

   
    if (!isset($_GET['page'])){

        $page = 1;

    }

 
// Here the first page can be displayed correctly when

// I change it to $page >=1) 

// However, it doesn't work again while the new search.

 
    if ($page > 1) {

              $query = $_GET['query'];

                      $search = $query;

    }

Thanks in advance.

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06.12.2004, 12:06
Gast Beiträge: n/a	[Erledigt] Problem beim Suchen Ergebnisse Hi, everybody I am tring to build a search function with PHP and keyword matching(without mysql) for my homepage. The search function has already worked. however, the search results are just displayed in one page. So I want to change it to represent in multipage. for example 5 results pre page. 12 results will be arranged in 3 pages. But now I met a big problem. It shows nothing if I click the second or third page. I am not sure if the code is correct. Any help and suggestions are welcome. Thanks in advance. PHP-Code: `<?php $found = "0"; $file_type = ".html"; $directory = opendir('.'); $limit = 5; $page = $_REQUEST['page']; $query = $_POST['query']; if (!isset($_GET['page'])) { $page = 1; } if($page > 1){ $query = $_REQUEST['query']; } if(strlen($search) < 3){ echo "Please enter more characters in this field."; exit(); } ?>` ... searching process PHP-Code: <?php if($found != "0"){ echo "$found Results found for \" $search \" "; $arr = explode("\n", $arr); natsort($arr); reset($arr); $arr = array_reverse($arr); // create multipages for Search Results $num_rows = sizeof($arr); $sOut = "<center> - "; $num_pages = ceil($num_rows / $limit); $first = ($page-1) * $limit; $last = $first + $limit; // output the results saved in Array for($i=$first; $i<$last; $i++) { $output .= $arr[$i]."\n"; } print $output; for($x=1;$x<=$num_pages;$x++){ $pos_page = ($x - 1) * $limit; if($pos_page != $page){ $sOut .= "<a href=\"$PHP_SELF?query=$query&page=".($pos_page + 1)."\">$x</a> - "; } else{ $act_page = $x; $sOut .= "<font style=\"font-weight: bold\">$x</font> - "; } } $sOut .= " [b]Page $act_page from $num_pages pages[/b] "; $sOut .= "</p></center>"; echo $sOut; } ?>


Mister Ad PHP Code Flüsterer Registriert seit: 21.08.2005 Beiträge: 4682 PHP-Kenntnisse: Fortgeschritten

06.12.2004, 12:32
imported_Ben Erfahrener Benutzer Registriert seit: 18.09.2003 Beiträge: 13.598 PHP-Kenntnisse: Fortgeschritten	hi, i actually have no possibility to test the code, so it maybe contains errors. try to understand it and ask if you have problems with it. PHP-Code: <?php // start the session session_start(); // number of results per page $perpage = 2; if( isset($_GET['start'],$_SESSION['result']) && is_numeric($_GET['start']) && $_GET['start'] > 0 && $_GET['start'] <= count($_SESSION['result']) ) { // show more pages for( $i = $_GET['start']; $i < ($_GET['start']+ $perpage); $i++ ) { if( $i < count($_SESSION['result']) ) { echo ($i+1) . '. ' . $_SESSION['result'][$i] . ' '; } } // check if another 'next'-link is necessary if( count($_SESSION['result']) > ($_GET['start'] + $perpage) ) { echo ' '; echo '[url="' . $_SERVER['PHP_SELF'] . '?start=' . ($_GET['start'] + $perpage) . '"]next page[/url]'; } } else { // fill the resultset // replace this with your search process $_SESSION['result'] = array( 'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh' ); // show the first page of results for( $i = 0; $i < $perpage; $i++ ) { if( $i < count($_SESSION['result']) ) { echo ($i+1) . '. ' . $_SESSION['result'][$i] . ' '; } } // check if a 'next'-link is necessary if( count($_SESSION['result']) > $perpage ) { echo ' '; echo '[url="' . $_SERVER['PHP_SELF'] . '?start=' . $perpage . '"]next page[/url]'; } } ?> this is only an idea to solve your problem maybe you can improve it? have fun and success. ben edited: i corrected the code. it contained several errors sorry for that. now you should be able to work with it. @all: hmm .. i posted wrong code and nobody realized it? :shosk: why you do not try to answer questions that are written in English language? maybe some of us should think about that. und nein .. mein englisch ist wirklich nicht gut ^^ __________________ Webentwickler-Blog - Buchbesprechung PHP Design Patterns - SQL-Antipatterns

06.12.2004, 20:40
Gast Beiträge: n/a	Hi Ben Ich danke dir für die ausführliche Erklärung und Hilfen. Es funktioniert schon! Davon habe ich auch gelehrt, kleinigkeit muss man immer aufpassen.

06.12.2004, 22:55
Gast Beiträge: n/a	The function of Pagination works, but there is always a bug. if I try to come back to the first page, the search result turns to zero(a blank page). what's the matter with it? I looked through the query seems also correct. ../search.php?query=test&page=1 <- it doesn't work. ../search.php?query=test&page=2 <- it works, if I click the second page ../search.php?query=test&page=3 <- it also works PHP-Code: `if (!isset($_GET['page'])){ $page = 1; } // Here the first page can be displayed correctly when // I change it to $page >=1) // However, it doesn't work again while the new search. if ($page > 1) { $query = $_GET['query']; $search = $query; }` Thanks in advance.