Resizing the image in php for viewing purposes only

Question

Okay, the reason I posted this is because I wasn\'t sure what to search for. I\'ll try to explain it as clearly as I can.

Say, I have an image sized 800x600. The box

Answer 1

 $ratio_orig) {
       $width = floor($height*$ratio_orig);
    } else {
       $height = floor($width/$ratio_orig);
    }

    // Resample
    $tempimg = imagecreatetruecolor($width, $height);
    imagecopyresampled($tempimg, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
    imagejpeg($tempimg, $thumbname, 80);
}

if (!function_exists('sys_get_temp_dir')) {
  function sys_get_temp_dir() {
    if (!empty($_ENV['TMP'])) { return realpath($_ENV['TMP']); }
    if (!empty($_ENV['TMPDIR'])) { return realpath( $_ENV['TMPDIR']); }
    if (!empty($_ENV['TEMP'])) { return realpath( $_ENV['TEMP']); }
    $tempfile=tempnam(uniqid(rand(),TRUE),'');
    if (file_exists($tempfile)) {
    unlink($tempfile);
    return realpath(dirname($tempfile));
    }
  }
}
?>

Save the file as imageresize.php and put this file in your image folder and just use the code like this to show image

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you can use this code to show images in different sizes.