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Making a different picture appear every new post

Discuss Making a different picture appear every new post in the General Programming Help forum on Dev Articles.
Making a different picture appear every new post General Programming Help forum discussing Perl, Python, Scripting and/or any languages that do not fit into any of the categories above.

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  #1  
Old July 11th, 2003, 09:38 AM
Bruski Bruski is offline
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Making a different picture appear every new post
Sorry i forgot to read the forum instructinos. I based my clan member page on Matt Wade's news posting article; however, i can not figure out how to upload a different picture for each member that i post.

This is as far as ive gone with it and im still working on building the rest of the info. What im looking for is an option to browse for a picture when i post or something like that.

main posting file

PHP Code:
echo "<H1><u>Add News</u></H1>\n";
if($HTTP_POST_VARS['submit']) {
    if($HTTP_POST_VARS['password'] == 'pass') {
        if(!$HTTP_POST_VARS['name']) {
            echo "You must enter a name";
            exit;
    }
    if(!$HTTP_POST_VARS['age']) {
            echo "You must enter an age";
            exit;
        }
        if(strstr($HTTP_POST_VARS['name'],"|")) {
            echo "Name cannot contain the pipe symbol - |";
            exit;
        }
        if(strstr($HTTP_POST_VARS['yp'],"|")) {
            echo "News cannot contain the pipe symbol - |";
            exit;
    }
        if(strstr($HTTP_POST_VARS['age'],"|")) {
            echo "News cannot contain the pipe symbol - |";
            exit;
        }
        $fp = fopen('../cgi-bin/news/news.txt','a');
        if(!$fp) {
            echo "Error opening file!";
            exit;
        }
        $line = date("m.d.y") . "|" . $HTTP_POST_VARS['name'];
        $line .= "|" . $HTTP_POST_VARS['age'];
    $line .= "|" . $HTTP_POST_VARS['yp'];
    $line .= "|" . $HTTP_POST_VARS['map'];
        $line = str_replace("\r\n","<BR>",$line);
        $line .= "\r\n";
        fwrite($fp, $line);
        if(!fclose($fp)) {
            echo "Error closing file!";
            exit;
        }
        echo "<b>News added!</b>\n";   
    } else {
        echo "Bad Password";
    }
}
?>
<FORM ACTION="<?=$PHP_SELF?>" METHOD="POST" NAME="newsentry">
Name:<BR>
<INPUT TYPE="text" SIZE="30" NAME="name"><BR>
Age:<BR>
<INPUT TYPE="text" SIZE="30" NAME="age"><BR>
Years Playing?:<BR>
<INPUT TYPE="text" SIZE="30" NAME="yp"><br>
Favorite Map:<BR>
<INPUT TYPE="text" SIZE="30" NAME="map"><BR><BR>
News Password:<BR>
<INPUT TYPE="password" SIZE="30" NAME="password"><BR>
<INPUT TYPE="submit" NAME="submit" VALUE="Post it!"><BR>
</FORM> 


thanks sorry for not reading rules the first time .
Last edited by Bruski : July 11th, 2003 at 09:42 AM.
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  #2  
Old July 14th, 2003, 08:35 PM
FrankieShakes FrankieShakes is offline
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Bruski,

Are you receiving any error messages at all?

Also, I'm having a hard time fully understanding what it is you're trying to do... Care to explain a little further?
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  #3  
Old July 15th, 2003, 09:18 PM
Bruski Bruski is offline
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basically i just want to put a picture on every post..but make it different
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  #4  
Old July 15th, 2003, 09:24 PM
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Have you thought about looking at some code that will randomly pick a picture out of a database maybe when you refresh?
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  #5  
Old July 15th, 2003, 09:28 PM
Bruski Bruski is offline
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the problem is i dont have access to a database...i want to either manually upload a file or have it uploaded and call to it when i need it to display...i just dont know how
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Old July 15th, 2003, 09:59 PM
FrankieShakes FrankieShakes is offline
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Well, you have a few options... You don't necessarily need access to a database to achieve it.

In order to upload the file, you'll need to make use of PHP's file functions...

There's a good article on dealing with BLOBBING data to a database. Don't worry about how it interfaces with the database... What you should do is understand how the file manipulation is being done via the FORM... once the file is uploaded, you can use PHP's fopen() to open a file and write binary data to it.

As for randomizing the image on each page load, you can use Javascript to achieve that.

If you need help with that portion, let us know...
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  #7  
Old July 15th, 2003, 11:23 PM
Bruski Bruski is offline
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i dont want to randomize it i want to be able to select it...and wheres the article...i alraedy know how to use ()fopen because i used a Matt Wades tutorial on news posting...
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Old July 15th, 2003, 11:23 PM
Bruski Bruski is offline
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sorry...the problem is that i dont know how to select a picture instead of text
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  #9  
Old July 16th, 2003, 08:28 AM
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I think I get what you're wanting: A guild user should be able to browse a directory for a single picture to insert into his profile. Here's some code that'll read image files in from a given directory and output a select box containing those values. If this isn't exactly what you need, you should be able to modify it pretty easily to suit your needs.

PHP Code:
<?php

$images=array();
$imgpath='.';

if ($handle = opendir($imgpath)) {
    while (false !== ($file = readdir($handle))) {
        if (preg_match("/\.jpg$|\.gif$|\.png$/i",$file)) {
          array_push($images,$file);
        }
    }
    closedir($handle);
}

print "<select name=\"theimage\">\n";
foreach($images as $i){
  print "\t<option value=\"" . $i . "\">" . $i . "</option>\n";
}
print "</select>\n";

?>
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Old July 16th, 2003, 12:08 PM
Bruski Bruski is offline
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k i get it but how do i display it i cant find a variable to display...i have 2 files one does th posting and one does the showing...sorry i feal like im asking too much...but so far what you have showed me it works i just want to get it showing..
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  #11  
Old July 16th, 2003, 12:20 PM
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Well, when you write to your flat file in the posting script, you'll want to add an item that's the name of the image selected by appending a "|" and the value of the select box to the end of the line. Then, when you display the page from your showing script, you'll just wrap the <img src=""> tag around the value given in the flat file.

Is it the case that you don't know how to read the flat file from the showing script? If so, just open the file and get the lines into an array. Then, for each line, use split() or explode() to split the values on the pipe character and put them into an array. You can then do a comparison of member id or name or whatever against the value in the appropriate array index to display the rest of the values. The more news items added, the bigger your file's going to be and the less efficient searching will be. Here's some pseudo code:

PHP Code:
 open $filename and put lines into $lines array;
foreach($lines as $line){
    $vals=split("|",$line); // check parameter order at php.net
    if($vals[0]==$search_criterion){
        print $vals[1] . "<br><br>";
    }
} 


Here you can see, of course, that if you have multiple items submitted on a given date, you'll have problems selecting single articles out of the file. You really ought to include an auto-incrementing unique field to prevent these problems.
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  #12  
Old July 16th, 2003, 12:34 PM
Bruski Bruski is offline
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sorry for the confusion but im not trying to search for the picture im just trying to diplay it...select..then display it.....

maybe this would be easier if i showed you the code...

ive applied what you have given me but cant seem to display the picture =[

PHP Code:
<?
if($action == "edit" && isset($HTTP_POST_VARS['password'])) {
    //obviously you should change this password on the next line
    if($HTTP_POST_VARS['password'] == "editpass") {
        //First let's recompile that line with the pipe symbols so we can reinsert it
        $line = $HTTP_POST_VARS['date'] . "|" . $HTTP_POST_VARS['name'];
        $line .= "|" . $HTTP_POST_VARS['age'];
    $line .= "|" . $HTTP_POST_VARS['yp'];
    $line .= "|" . $HTTP_POST_VARS['map'];
    $line .= "|" . $HTTP_POST_VARS['gun'];
        $line = str_replace("\r\n","<BR>",$line);
        $line .= "\r\n";
        $data = file('../cgi-bin/news/news.txt');
        $data[$id] = $line;
        //the next line makes sure the $data array starts at the beginning
        reset($data);
        //now we open the file with mode 'w' which truncates the file
        $fp = fopen('../cgi-bin/news/news.txt','w');
        foreach($data as $element) {
            fwrite($fp, $element);
        }
        fclose($fp);
        echo "Item Edited!<BR><BR>\n";
        echo "<a href=index.php?p=roster.php>Go Back</a>\n";
        exit;
    } else {
        echo "Bad password!\n";
        exit;
    }
}
if($action == "edit") {
    $data = file('../cgi-bin/news/news.txt');
    $element = trim($data[$id]);
    $pieces = explode("|", $element);
    //the next line is to reverse the process of turning the end of lines into breaking returns
    $news = str_replace("<BR>","\r\n",$pieces[2]);
    echo "Make the changes you would like and press save.<BR>\n";
    
$images=array();

$imgpath='.';



if ($handle = opendir($imgpath)) {

    while (false !== ($file = readdir($handle))) {

        if (preg_match("/.jpg$|.gif$|.png$/i",$file)) {

          array_push($images,$file);

        }

    }

    closedir($handle);

}



print "<select name=\"theimage\">\n";

foreach($images as $i){

  print "\t<option value=\"" . $i . "\">" . $i . "</option>\n";

}

print "</select>\n";

    echo "<FORM ACTION=\"$PHP_SELF?action=edit\" METHOD=\"POST\" NAME=\"editform\">\n";
    echo "Name:<BR>\n";
    echo "<INPUT TYPE=\"text\" SIZE=\"30\" NAME=\"name\" value=\"".$pieces[1]."\"><BR>\n";
    echo "Age:<BR>\n";
    echo "<INPUT TYPE=\"text\" SIZE=\"30\" NAME=\"age\" value=\"".$pieces[2]."\"><BR>\n";
    echo "Years Playing:<BR>\n";
    echo "<INPUT TYPE=\"text\" SIZE=\"30\" NAME=\"yp\" value=\"".$pieces[3