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Taorluath
Taorluath
Last Activity: Feb 27 '08, 10:37 PM
Joined: Sep 8 '07
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  • Taorluath
    started a topic imagesetpixel() Troubles
    in PHP

    imagesetpixel() Troubles

    I'm trying to make a PHP script that increases the blue value of each pixel in an image by 1.
    It's important that the script goes pixel by pixel.
    For some reason, however, it outputs an image that is one solid color; a brownish red block.
    Why isn't this script only slightly increasing the values?? ??? ???



    Code:
    <?php
$img = imagecreatefromgif('logo.gif');

// get height and width
    ...
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    • Taorluath
      replied to chown() problems
      in PHP
      ideas anyone?
      I still can't seem to get it to work...
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      • Taorluath
        started a topic chown() problems
        in PHP

        chown() problems

        I just made a simple program to create files; I'm trying to get the hang of basic file manipulations.
        Whatever file my program makes, the owner of the file is "www-data," so I can't edit it using my regular server user. I can use root to change the ownership to the server user, but I don't want to do that for every file.
        That's why I tried to use chown() to give ownership to the server as soon as the file is made, but I get...
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        • Taorluath
          replied to Factoring Intergers script does not give correct results
          in PHP
          Dang it!!!
          How did I not see that?? Thanks a lot.
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          • Taorluath
            replied to Factoring Intergers script does not give correct results
            in PHP
            What's wrong with it?...
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            • Taorluath
              replied to Factoring Intergers script does not give correct results
              in PHP
              Sorry about that, I just tried to copy what I had posted. It didn't really work.
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              • Taorluath
                replied to Whats Is Php ?
                in PHP
                For laypeople, it's a programming language that's for websites.

                Before you see the webpage, PHP gets run, and the output is your html file which you view.
                Basically it makes webpages more dynamic, e.g. most forums use PHP to display all the topics and such.
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                • Taorluath
                  replied to Factoring Intergers script does not give correct results
                  in PHP
                  Sorry, Sorry!!
                  I had to leave on a trip right after I posted this, so I didn't really explain it.
                  basically, I get a number, (1260) and I try to find all the factors.
                  lines 11-21 try to do this.

                  first, in line 11, we start the loop to go through every number(counter) under x.
                  in line 13, we see if counter is a factor of x, (if the remainder is 0, then it should be a factor)
                  if it is, we add it to...
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                  Last edited by Taorluath; Sep 12 '07, 02:00 AM. Reason: i had to add stuff

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                  • Taorluath
                    started a topic Factoring Intergers script does not give correct results
                    in PHP

                    Factoring Intergers script does not give correct results

                    ok, so this little script is supposed to list the factors of intergers.

                    [CODE=php]<?php


                    function findfacts($x) {

                    $highest = $x;
                    $counter = 1;
                    $factarray;
                    $factarraycount er = 0;

                    while ($counter < ($highest / 2)) {

                    if ($x % $counter = 0){

                    $factarray[$factarraycount er] = $counter;
                    $factarraycount er++;
                    }...
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