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Thread: Image upload php code

  1. #1
    Join Date
    Apr 2013
    Posts
    4

    Image upload php code

    Hello! I am only learning basics in php I wanted to use code that I found online for uploading images into a folder "upload" but the code I found limits the size of the file I don't understand the code very well and I would ask you to change it for me and explain how its done. I changed the values of acceptable size of the file but when I tried to run it, it gave me errors
    This is the code:
    Code:
    <?php
    if ($_FILES["file"]["error"] > 0)
      {
      echo "Error: " . $_FILES["file"]["error"] . "<br>";
      }
    else
      {
      echo "Upload: " . $_FILES["file"]["name"] . "<br>";
      echo "Type: " . $_FILES["file"]["type"] . "<br>";
      echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
      echo "Stored in: " . $_FILES["file"]["tmp_name"];
      }
    ?> 
    
    <?php
    $allowedExts = array("gif", "jpeg", "jpg", "png");
    $extension = end(explode(".", $_FILES["file"]["name"]));
    if ((($_FILES["file"]["type"] == "image/gif")
    || ($_FILES["file"]["type"] == "image/jpeg")
    || ($_FILES["file"]["type"] == "image/jpg")
    || ($_FILES["file"]["type"] == "image/png"))
    && ($_FILES["file"]["size"] < 20000)
    && in_array($extension, $allowedExts))
      {
      if ($_FILES["file"]["error"] > 0)
        {
        echo "Error: " . $_FILES["file"]["error"] . "<br>";
        }
      else
        {
        echo "Upload: " . $_FILES["file"]["name"] . "<br>";
        echo "Type: " . $_FILES["file"]["type"] . "<br>";
        echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
        echo "Stored in: " . $_FILES["file"]["tmp_name"];
        }
      }
    else
      {
      echo "Invalid file";
      }
    ?> 
    
    <?php
    $allowedExts = array("gif", "jpeg", "jpg", "png");
    $extension = end(explode(".", $_FILES["file"]["name"]));
    if ((($_FILES["file"]["type"] == "image/gif")
    || ($_FILES["file"]["type"] == "image/jpeg")
    || ($_FILES["file"]["type"] == "image/jpg")
    || ($_FILES["file"]["type"] == "image/png"))
    && ($_FILES["file"]["size"] < 20000)
    && in_array($extension, $allowedExts))
      {
      if ($_FILES["file"]["error"] > 0)
        {
        echo "Return Code: " . $_FILES["file"]["error"] . "<br>";
        }
      else
        {
        echo "Upload: " . $_FILES["file"]["name"] . "<br>";
        echo "Type: " . $_FILES["file"]["type"] . "<br>";
        echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
        echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br>";
    
        if (file_exists("avatar/" . $_FILES["file"]["name"]))
          {
          echo $_FILES["file"]["name"] . " already exists. ";
          }
        else
          {
          move_uploaded_file($_FILES["file"]["tmp_name"],
          "avatar/" . $_FILES["file"]["name"]);
          echo "Stored in: " . "avatar/" . $_FILES["file"]["name"];
          }
        }
      }
    else
      {
      echo "Invalid file";
      }
    ?>

  2. #2
    Join Date
    Aug 2004
    Location
    Ankh-Morpork
    Posts
    22,328
    Looks like you just need to change this number:
    Code:
    && ($_FILES["file"]["size"] < 20000)
    (Note however that there are general PHP settings and web server settings that may limit this, too.)
    "Well done....Consciousness to sarcasm in five seconds!" ~ Terry Pratchett, Night Watch

    How to Ask Questions the Smart Way (not affiliated with this site, but well worth reading)

    My Blog
    cwrBlog: simple, no-database PHP blogging framework

  3. #3
    Join Date
    Apr 2013
    Posts
    4
    but it occurs in 2 places
    btw NogDog I was reading your post on how to display an image in php helped me a lot

  4. #4
    Join Date
    Aug 2004
    Location
    Ankh-Morpork
    Posts
    22,328
    Try changing both?
    "Well done....Consciousness to sarcasm in five seconds!" ~ Terry Pratchett, Night Watch

    How to Ask Questions the Smart Way (not affiliated with this site, but well worth reading)

    My Blog
    cwrBlog: simple, no-database PHP blogging framework

  5. #5
    Join Date
    Apr 2013
    Posts
    4
    does the job now ty

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