PHP | imagesetpixel() Function

<?php
  
// Load the png image
$image = imagecreatefrompng(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Draw a line using imagesetpixel
$red = imagecolorallocate($image, 255, 0, 0);
for ($i = 0; $i < 1000; $i++) {
    imagesetpixel($image, $i, 100, $red);
}

// Output image to the browser
header('Content-type: image/png');
imagepng($image);
?>

<?php

  // Create a blank image 700x200
$image = imagecreatetruecolor(700, 200);

$points = [
    array('x' => 00, 'y' => 10),
    array('x' => 0, 'y' => 190),
    array('x' => 800, 'y' => 190)
];

// Prepare the color
$green = imagecolorallocate($image, 0, 255, 0);

// Draw the pattern
$x = 700;
$y = 200;
for ($i = 0; $i < 100000; $i++) {
    imagesetpixel($image, round($x), round($y), $green);
    $a = rand(0, 2);
    $x = ($x + $points[$a]['x']) / 2;
    $y = ($y + $points[$a]['y']) / 2;
}

// Show the output in browser
header('Content-Type: image/png');
imagepng($image);
?>