<?php

error_reporting(E_ALL);
$size = 32;
$half_size = $size / 2;
$font_file = 'Arial Black Regular.ttf';
$text = 'WWW';
list(,,$width) = imagettfbbox($size, 0, $font_file, $text);
$im = imagecreate($width += $size, $height = $size * 2);
imagecolorallocate($im, 0, 255, 255);
$font_color = imagecolorallocate($im, 255, 255, 0);
imagettftext($im, $size, 0, + $half_size, $size + $half_size, $font_color, $font_file, $text);

$width1 = 200;
$height1 = 80;
$offset_x = ($width1 - $width) / 2;
$offset_y = ($height1 - $height) / 2;
$rand1 = rand(20, 50) / 1000;
$rand2 = rand(0, 50);

// так эта ебланская библиотека нихуя не рисует
$im1 = imagecreate($width1, $height1);
imagecolorallocate($im1, 255, 255, 255);

// $im1 = imagecreatetruecolor($width1, $height1);

for ($y = 0; $y < $height; ++$y) {
    for ($x = 0; $x < $width; ++$x) {
        $colors = imagecolorsforindex( $im, imagecolorat($im, $x, $y) );
        $color = imagecolorallocate( $im1, $colors['red'], $colors['green'], $colors['blue']);
        $z = $y + floor( $half_size * sin($rand1 * $x + $rand2) );
        imagesetpixel($im1, $offset_x + $x, $offset_y + $z, $color);
    }
}

header('Content-type: image/png');
imagepng($im1);

?>