(PECL imagick 2.0.0)
Imagick::textureImage — Repeatedly tiles the texture image
Repeatedly tiles the texture image across and down the image canvas.
texture_wand
   Returns TRUE on success.
  
Throws ImagickException on error.
Example #1 Imagick::textureImage()
<?php
function textureImage($imagePath) {
    $image = new \Imagick();
    $image->newImage(640, 480, new \ImagickPixel('pink'));
    $image->setImageFormat("jpg");
    $texture = new \Imagick(realpath($imagePath));
    $texture->scaleimage($image->getimagewidth() / 4, $image->getimageheight() / 4);
    $image = $image->textureImage($texture);
    header("Content-Type: image/jpg");
    echo $image;
}
?>