Foto's uploaden; verkleinen en hernoemen

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Herbert Foppen

Herbert Foppen

12/10/2009 23:11:00
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Beste mensen,

ik heb onderstaande pagina momenteel online staan om meldingen (brandweer etc.) toe te voegen incl. enkele foto's. Op zich gaat dit allemaal goed. Hij schrijft de foto's netjes weg in /ups en de thumbs in /ups/thumb.

Probleem is een beetje dat bestanden op een gegeven moment dezelfde filenaam kunnen hebben en dan worden oude foto's overschreven. Ik zit er dus aan te denken om bijv. het meldingsid als naam te nemen met een volgnummer. <meldingid><volgnummer>.jpg

Verder moet het zo zijn dat een foto wordt verkleind tot max. 400kb. Is dat te realiseren??

Resume: als ik een foto van 1,5mb van 1250x636 met omschrijving IMG_1256.jpg upload, dan zou het resultaat moeten zijn: <meldingsid><volgnummer>.jpg met afmeting van 800x533 en max 400kb

Ik hoop dat jullie me wat op weg kunnen/willen helpen. Onderstaand de code (als ik 't ergens anders moet plaatsen ivm leesbaarheid graag even die url opgeven...weet die site niet meer)

Herbert

Code (php)
PHP script in nieuw venster Selecteer het PHP script
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<?
    session_start();
?>
<html style="background-color: buttonface; color: buttontext;">

<head>
<meta http-equiv="content-type" content="text/xml; charset=utf-8" />
<title>Add meldingen</title>

  <!-- calendar stylesheet -->
  <link rel="stylesheet" type="text/css" media="all" href="css/calendar-win2k-cold-1.css" title="win2k-cold-1" />

  <!-- main calendar program -->
  <script type="text/javascript" src="js/calendar.js"></script>

  <!-- language for the calendar -->
  <script type="text/javascript" src="js/lang/calendar-en.js"></script>

  <!-- the following script defines the Calendar.setup helper function, which makes
       adding a calendar a matter of 1 or 2 lines of code. -->
  <script type="text/javascript" src="js/calendar-setup.js"></script>
</head>
<body>

<link href="css/opmaak.css" rel="stylesheet" type="text/css"/>
<style type="text/css">
<!--
body {
    background-color: #F7F7F7;
}
-->
</style>
<?
    if (isset($_SESSION["username"])) {
?>
<?
            $aantal_uploads = 20;
            $updir = 'ups/'; // Met afsluitende '/'
            $exta = array('.jpg', 'jpeg', '.png', '.gif');
            $mime = array('image/jpeg', 'image/pjepg', 'image/gif', 'image/png');
            $max = 150;
            if ($_SERVER['REQUEST_METHOD'] == "POST")
            {
                //als het formulier gepost is, komt hij hierbinnen terecht. Hier moeten we dus de saving in de db uitvoeren (lkkr zin ;))
                $error = array();
                //print_r($_FILES);
                if (isset($_FILES))
                { //toegevoegd op 09/04/2008 ivm foutmeldingen
                    //als het goed is worden de fotos iig al geuplaod, u moet de rest nog in de db :-)


                    if ($_FILES['bestand']['error'][0] <> 4)
                    {
                        $arr = array();
                        for ($i = 0; $i <= $aantal_uploads - 1; $i++)
                        {
                            if (strlen(trim($_FILES['bestand']['name'][$i])) > 0)
                            {

                                $ext = strtolower(substr($_FILES['bestand']['name'][$i], strlen($_FILES['bestand']['name'][$i]) - 4));

                                if (in_array($ext, $exta) == true)
                                {
                                    // if(in_array($_FILES['bestand']['type'][$i], $mime)){
                                    if (move_uploaded_file($_FILES['bestand']['tmp_name'][$i], $updir . $_FILES['bestand']['name'][$i]))
                                    {

                                        $bnaam = $updir . $_FILES['bestand']['name'][$i];
                                        list($width, $height, $type) = getimagesize($bnaam);
                                        if ($width > $max or $height > $max)
                                        {
                                            if ($width > $height)
                                            {
                                                $nb = $max;
                                                //$nh = round($max * $height / $width);
                                                $nh = round($height * ($max / $width));


                                            } elseif ($height > $width)
                                            {
                                                $nh = $max;
                                                //                    $nb = round($max * $width / $width);
                                                $nb = round($width * ($max / $height));
                                            } else
                                            {
                                                $nb = 150;
                                                $nh = 150;
                                            }

                                            switch ($ext)
                                            {
                                                case ".jpg":
                                                    $new_img = imagecreatefromjpeg($bnaam);
                                                    break;
                                                case "jpeg":
                                                    $new_img = imagecreatefromjpeg($bnaam);
                                                    break;
                                                case ".gif":
                                                    $new_img = imagecreatefromgif($bnaam);
                                                    break;
                                                case ".png":
                                                    $new_img = imagecreatefrompng($bnaam);
                                                    break;
                                            }

                                            $resized_img = imagecreatetruecolor($nb, $nh);
                                            /*19/04 - om niet de randen rondom de foto's te zetten
                                            $back=ImageColorAllocate($resized_img,255,255,255);
                                            $fore=ImageColorAllocate($resized_img,144,144,144);
                                            imagefilledrectangle ( $resized_img, 0, 0, $nb, $nh, $fore );
                                            imagefilledrectangle ( $resized_img, 1, 1, $nb-2, $nh-2, $back );
                                            */
                                            //                imageline ( resource image, int x1, int y1, int x2, int y2, int color )
                                            #
                                            //the resizing is going on here!
                                            #
                                            //imagecopyresampled($resized_img, $new_img, 5, 5, 0, 0, $nb - 10, $nh - 10, $width, $height);
                                            imagecopyresampled($resized_img, $new_img, 0, 0, 0, 0, $nb, $nh, $width, $height);

                                            #
                                            //finally, save the image
                                            #
                                            switch ($ext)
                                            {
                                                case ".jpg":
                                                    if (ImageJpeg($resized_img, $updir . 'thumb/' . $_FILES['bestand']['name'][$i]))
                                                    {
                                                        $arr[] = $_FILES['bestand']['name'][$i];
                                                    }
                                                    ;
                                                    break;
                                                case "jpeg":
                                                    if (ImageJpeg($resized_img, $updir . 'thumb/' . $_FILES['bestand']['name'][$i]))
                                                    {
                                                        $arr[] = $_FILES['bestand']['name'][$i];
                                                    }
                                                    ;
                                                    break;
                                                case ".gif":
                                                    if (Imagegif($resized_img, $updir . 'thumb/' . $_FILES['bestand']['name'][$i]))
                                                    {
                                                        $arr[] = $_FILES['bestand']['name'][$i];
                                                    }
                                                    ;
                                                    break;
                                                case ".png":
                                                    if (Imagepng($resized_img, $updir . 'thumb/' . $_FILES['bestand']['name'][$i]))
                                                    {
                                                        $arr[] = $_FILES['bestand']['name'][$i];
                                                    }
                                                    ;
                                                    break;
                                            }


                                            #
                                            ImageDestroy($resized_img);
                                            ImageDestroy($new_img);

                                        } else
                                        {
                                            if (copy($bnaam, $updir . 'thumb/' . $_FILES['bestand']['name'][$i]))
                                            {
                                                $arr[] = $_FILES['bestand']['name'][$i];
                                            } else
                                            {
                                                $error[] = "kan niet kopieren";
                                            }
                                            ;
                                            //kleiner
                                        }
                                        #
                                        chmod($updir . $_FILES['bestand']['name'][$i], 0777);
                                        chmod($updir . 'thumb/' . $_FILES['bestand']['name'][$i], 0777);

                                    } else
                                    {
                                        $error[] = "Het bestand kan niet worden geupload";
                                    }

                                } else
                                {
                                    $error[] = 'Vul een afbeelding in. Dit bestand heeft de verkeerde extensie';
                                }

                            }
                        } //hier kun je evt nog verder controleren of de velden ingevuld zijn en evt aan de $error array fouten toevoegen
                    }
                    if (count($error) == 0)
                    {
                        //echo "we zijn door de tst gekomen of error leeg is";
                        if (count($arr) > 0)
                        {
                            $fotos = implode(",", $arr);
                        } else
                        {
                            $fotos = null;
                        }
                        print_r($arr);
                        //include ("connect.php");
                        if (isset($arr))
                        {
                            foreach ($arr as $value)
                            {
                                $s = "INSERT INTO fotos (naam) VALUES ('" . $value . "')";
                                mysql_query($s) or die(mysql_error());
                                $foto_id[] = mysql_insert_id(); //hiermee wordt de laatste waarde van de id (het auto_increment_veld) opgehaald
                            }
                        }

                        $datum = $_POST['datum'];
                        list($day, $month, $year) = explode('-', $datum);
                        $datumnieuw = $year . '-' . $month . '-' . $day;
                        $tijdnieuw = date("H:i:s", $datum);
 //                       $datumtijd2 = Date::convert($datum, 'm-d-Y H:i:s', 'Y-m-d H:i:s');
//                        $datumtijd = date("Y-m-d H:i:s", $datum);
                        
                        
                        //$datum = "25-08-1989 23:29:12";
                        $einde = substr($datum,-9); //== laatste gedeelte incl '-'
                        $mm = substr($datum, 3,2);
                        $dd = substr($datum, 0,2);
                        $yy = substr($datum, 6,4);
                        
                        $insertdatum = $yy . "-" . $mm ."-". $dd. $einde;
                        //echo $insertdatum;

                                                                
                        $sql = "INSERT INTO meldingen SET titel='" . $_POST['titel'] .
                            "', omschrijving='" . $_POST['bericht'] . "', omschrijving_kort='" . $_POST['bericht_kort'] . "', korps='" . $_POST['korps'] .
                            "', datumtijd='" .$insertdatum . "', adres='" . $_POST['adres'] .
                            "', plaats='" . $_POST['plaats'] . "', soort='" . $_POST['soort'] .
                            "', door='" . $_SESSION['naam'] . "'";
                        //echo $sql;
                        if (mysql_query($sql) === true)
                        {
                            echo "Het opslaan in db is gelukt.<br />";                          
                            $pid = mysql_insert_id();
                            foreach ($foto_id as $value)
                            { // hierin wordt voor elke foto (waarvan het database id in de array $foto_id staat) decombinatie van huidige project id en het foto_id in de tabel gezet.
                                mysql_query("INSERT INTO fotos_meldingen (fotoid, projectid) VALUES ('" . $value . "','" . $pid . "')") or die(mysql_error());
                            }
                        } else
                        {
                            echo "Het opslaan in db is mislukt. Probeer het opnieuw." . mysql_error();
                            
                        }
                        
                        ?>
                        <meta http-equiv="refresh" content="1;URL=main.php">
                        <?php

                        /*                    if(mysql_query($sql) === TRUE){
                        echo "Het opslaan in db is gelukt.<br />";
                        }else{
                        echo "Het opslaan in db is mislukt. Probeer het opnieuw.".mysql_error();
                        }
                        */
                        if (count($arr) > 0)
                        {
                            echo "De volgende afbeeldingen zijn gepload en verkleind: <table><tr>";
                            for ($i = 1; $i <= count($arr); $i++)
                            {
                                echo '<td><a href="' . $updir . $arr[$i - 1] . '"><img border="0" src="' . $updir . 'thumb/' . $arr[$i - 1] . '"></a></td>';
                                if ($i % 2 == 0)
                                {
                                    echo '</tr><tr>';
                                }
                            }
                            echo '</tr></table>';
                        }
                    } else
                    {
                        echo '<div>De volgende fouten zijn opgetreden:<ul>';
                        if (!is_array($error))
                        {
                            echo "nix ervan"; //waar staat PRintan ma stom ding>? heb ff in mijn firefox getest...
                        } else
                        {
                            echo "toch wel";
                            print_r($error);
                        }
                        foreach ($error as $value)
                            echo '<li>' . $value;
                        echo '</div>'; //ietsje mooier allemaal ;)
                    }
                }
            } else
            {


?><fieldset id="testfieldset"><legend><b>Melding toevoegen</b></legend><form name="addmelding" action="addmeldingen.php" method="post" enctype="multipart/form-data">
        <input type="hidden" id="tekstfield" name="actie" value="newproject"/>
            
<?php
    /*
            <p><label class="formulier" for="tekstfield">Datum:</label><br/><input type="text" id="tekstfield" name="datum"/> (dd-mm-jjjj)</p>
        <hr>
        
        */
?>
                <p><label class="formulier" for="tekstfield">Datum/tijd:</label><br/>
                <table cellspacing="0" cellpadding="0" style="border-collapse: collapse"><tr>
                 <td><input type="text" name="datum" id="f_date_c" readonly="1" size="20"/></td>
                 <td><img src="images/cal.gif" id="f_trigger_c" style="cursor: pointer; border: 1px solid #fff;" title="Datumkiezer"
                      onmouseover="this.style.background='#fff';" onmouseout="this.style.background=''" /></td>
                </table>
                
                <script type="text/javascript">
                    Calendar.setup({
                        inputField     :    "f_date_c",     // id of the input field
                        ifFormat       :    "%d-%m-%Y %H:%M:%S",      // format of the input field
                        button         :    "f_trigger_c",  // trigger for the calendar (button ID)
                        showsTime      :    true,
                        align          :    "Tl",           // alignment (defaults to "Bl")
                        singleClick    :    true
                    });
                </script>

<?php /*            <p><label class="formulier" for="tekstfield">Tijd:</label><br/><input type="text" id="tekstfield" name="tijd"/> (uu:mm)</p> */ ?>
            <p><label class="formulier" for="tekstfield">Titel/korte omschrijving:</label><br/><input type="text" id="tekstfield" name="titel" size="100"/></p>
             <p><label class="formulier" for="tekstfield">Adres: (nodig ivm Google Maps)</label><br/><input type="text" id="tekstfield" name="adres" size="50"/> <input type="text" id="tekstfield" name="plaats" size="50"/></p>
            <p><label class="formulier" for="tekstfield">Soort melding:</label><br/>
              <select name="soort" id="tekstfield">
                <option selected="selected" value="Brandweer">Brandweer</option>
                <option value="Ambulance">Ambulance</option>
                <option value="Politie">Politie</option>
                <option value="Lifeliner">Lifeliner</option>
                <option value="K.N.R.M.">K.N.R.M.</option>
                <option value="Algemeen">Algemeen</option>
                <option value="N.v.t.">N.v.t.</option>
                <option value="Overig">Overig</option>
                <option value="----">Overig 2</option>
                <option value="----">Overig 3</option>
                <option value="----">Overig 4</option>
                <option value="----">Overig 5</option>                
              </select>
            </p>
            <p><label class="formulier" for="tekstfield">Korps:</label><br/>
            <select name="korps" id="tekstfield">
                <option selected="selected" value="Elburg">Elburg</option>
                <option value="Elspeet">Elspeet</option>
                <option value="Ermelo">Ermelo</option>
                <option value="Harderwijk">Harderwijk</option>
        <option value="Hattem">Hattem</option>
                <option value="Hattemerbroek">Hattemerbroek</option>
                <option value="Hierden">Hierden</option>
                <option value="Heerde">Heerde</option>
                <option value="Nunspeet">Nunspeet</option>
                <option value="Oldebroek">Oldebroek</option>
                <option value="Overig">Overig</option>
                <option value="Putten">Putten</option>
                <option value="Regio">Regio</option>
                <option value="ASK 't Harde">ASK 't Harde</option>                
                <option value="Wapenveld">Wapenveld</option>
                <option value="N.v.t.">N.v.t.</option>
              </select>

          <p>
          <b>Foto's toevoegen:</b><br /><br />
<?php
                for ($i = 0; $i <= $aantal_uploads - 1; $i++)
                {
                    $k = $i + 1;
                    echo '<label style="display:block; float:left; width: 200px;" for="foto' . $k .
                        '">Foto ' . $k . '</label><input style="float:left;" id="foto' . $k .
                        '" type="file" name="bestand[]"><br clear="all"/>';
                }
?>
          <label class="formulier" for="tekstfield"><b>Korte omschrijving:</b></label><br />
          <?php
                //stukje code voor de WYSIWYG-editor
                $oFCKeditor = new FCKeditor('bericht_kort');
                $oFCKeditor->BasePath = 'FCKeditor/';
                //$oFCKeditor->ToolbarSet = 'MyToolBar' ;
                //$oFCKeditor->Value = '';
                $oFCKeditor->Width = "100%";
                $oFCKeditor->Height = "200";
                $oFCKeditor->Value = $row['bericht_kort'];
                $oFCKeditor->Create();
?>                    </p>

          <label class="formulier" for="tekstfield"><b>Lange omschrijving:</b></label><br />
          <?php
                //stukje code voor de WYSIWYG-editor
                $oFCKeditor = new FCKeditor('bericht');
                $oFCKeditor->BasePath = 'FCKeditor/';
                //$oFCKeditor->ToolbarSet = 'MyToolBar' ;
                //$oFCKeditor->Value = '';
                $oFCKeditor->Width = "100%";
                $oFCKeditor->Height = "600";
                $oFCKeditor->Value = $row['bericht'];
                $oFCKeditor->Create();
?>                    </p>
            <p><label class="formulier">&nbsp;</label><input type="submit"  name="button" value="Opslaan" id="knop" />
            </fieldset>
            
        </form>
<?php
    // afsluiten! (rg 23??)
    }
?>

<?php
    //voor controle binnen sessie
    }

    else{
    $text = "U bent niet goed ingelogd, U gaat terug naar de loginpagina";
    echo($text);
?>

        <meta http-equiv="refresh" content="1;URL=index.php">
<?
    }
?>
 
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