Repeat pattern to 1024x768 php [closed]

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I have an image with dimensions 100x100 pixels, it is a seamless pattern png.

How do I tile it to the dimension 1024x768 pixels with php?

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If you want to use php, it's not such a big deal with GD:

$file = imagecreatefrompng("pattern.png");
$newFile = imagecreatetruecolor(1024, 768);

for($i = 0; $i <= 1024; $i += 100) {
  for($j = 0; $j <= 768; $j += 100) {
    imagecopy($newFile, $file, $i, $j, 0, 0, 100, 100);
  }
}

imagepng($newFile, "pattern-1024.png");

If you can use HTML and CSS:

.pattern {
  width: 1024px;
  height: 768px;
  background: url("pattern.png") repeat;
}

---

I'm going to guess that you want the HTML page to display your pattern repeatedly. If that's the case, it is not done by PHP but by CSS. You could use a rule such as:

body
{
background-image:url('yourpattern.png');  
background-repeat:repeat;
}

---

You could look into the GD functions (see example).