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  1. #27
    SitePoint Guru hisham777's Avatar
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    Dec 2005
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    ok i tried making the edit process in one function
    its working but not fully do to my limited understanding of
    sessions i guess.
    when i keep one field empty it will givem this warning
    Warning: Cannot modify header information - headers already sent by (output started at E:\Practise\test4\config.php:9) in E:\Practise\test4\edit2.php on line 21


    this is the edit function.

    PHP Code:
      function article_update($article_id $article)
      {
      if(
    $article_id){
           
    $sql "SELECT article_name, summary, author, article_content, notes, date_added, status
          FROM articles WHERE articleID = '"
    .$article_id."'";
      
          
    $res my_query($sql);
          if(
    mysql_num_rows($res) != 0)
          {
              
    $num mysql_fetch_assoc($res);
              return 
    $num;
          }
          else
              return 
    false;
      }
      
      elseif(
    $article){
      
      if(empty(
    $article["article_name"]))
          {
              
    $_SESSION["error"] = "Please enter The Article Name";
              return 
    false;
          }
          else if(empty(
    $article["summary"]))
          {
              
    $_SESSION["error"] = "Please enter a summary";
              return 
    false;
          }
          else if(empty(
    $article["article_content"]))
          {
              
    $_SESSION["error"] = "Please enter a content";
              return 
    false;
          }
          
    $sql "UPDATE articles SET";
          
    $sql .=" article_name = '".$article["article_name"]."'";
          
    $sql .=", summary = '".$article["summary"]."'";
          
    $sql .=", author = '".$article["author"]."'";
          
    $sql .=", article_content = '".$article["article_content"]."'";
          
    $sql .=", notes = '".$article["notes"]."'";
          
    $sql .=", status = '".$article["status"]."' WHERE articleID = '".$article["articleID"]."'"
          
    my_query($sql);
          return 
    true;
          }
          return 
    true;
      } 

    and this is the edit1.php form
    PHP Code:
      <?php
      
    include_once "common.php";
      
    $article_id $_GET['article_ID'];
      
    $article article_update($article_id NULL);
      if(!
    $article)
      {
        echo 
    "article doesn't exist";
      }
      else
      {
      echo 
    '<html><body>
      
      <form action="edit2.php" method="post">
        <p>
          <input name="articleID" type="hidden" id="articleID" value="'
    ;
          echo 
    $article_id;
          echo 
    ' "/>
          <br />
          Article Name <br />
          <input name="articlename" type="text" id="articlename" value="'
    ;
          echo 
    $article["article_name"];
          echo 
    ' " size="80" maxlength="80" />
          <br />
          Summary <br />
          <input name="summary" type="text" id="summary" value="'
    ;
          echo 
    $article["summary"];
          echo 
    ' "size="80" />
          <br />
          Author <br />
          <input name="author" type="text" id="author" value="'
    ;
          echo 
    $article["author"];
          echo 
    '" size="80" maxlength="30" />
          <br />
        Article Content </p>
        <p>
          <textarea name="articlecontent" cols="80" rows="7" id="articlecontent">'
    ;
          echo 
    $article["article_content"];
          echo 
    '</textarea>
          <br />
          <br />
          Notes <br />
          <input name="notes" type="text" id="notes" value="'
    ;
          echo 
    $article["notes"];
          echo 
    '" size="80" maxlength="300" />
          <br />
          Date Posted <br />
          <input name="date" type="text" id="date" value="'
    ;
          echo 
    $article["date_added"];
          echo 
    '" size="80" maxlength="30" />
          <br />
          Status <br />
          <input name="status" type="text" id="status" value="'
    ;
          echo 
    $article["status"];
          echo 
    '" size="7" maxlength="80" />
          <br />
          <input name="" type="submit" value="Submit" />
        </p>
      </form>
      </body>
      </html>'
    ;
      }
      
      
    ?>
    and the edit2.php
    PHP Code:
      <?php 
      
    include_once "common.php";
      
          
    $article["articleID"]   = $_POST['articleID'];
          
    $article["article_name"]   = $_POST['articlename'];
          
    $article["summary"] = $_POST['summary'];
          
    $article["author"]   = $_POST['author'];
          
    $article["article_content"] = $_POST['articlecontent'];
          
    $article["notes"] = $_POST['notes'];
          
    $article["status"] = $_POST['status'];
          if(
    article_update(NULL $article))
          {
              echo 
    "Ok";
              
    //success
              //do whatever you want to do on succes
          
    }
          else
          {
          
    //error
          
    $_SESSION["article"] = $article;
              
    header("Location: edit1.php");
          }
          
          
    ?>
    i hope its a right way to impliment ?
    there is also another way (i think ) is to call function article_read($article_id, $frontend = false)

    from function
    article_update($article_id , $article)
    well i guess its possible, but i wasnt lucky.
    Last edited by hisham777; Mar 31, 2006 at 21:23.


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