index.php

<?php
require __DIR__.'/vendor/autoload.php';

use GDText\Box;
use GDText\Color;
define("DEBUG", false);
if(DEBUG) {
    header("Content-Type: text/plain");
} else {
    header("Content-Type: image/png");
}
$source=imagecreatefromjpeg(__DIR__."/12igo6.jpg");
$img=imagecreatetruecolor(imagesx($source), 5*imagesy($source));
$white=imagecolorallocate($img, 255, 255, 255);
$black=imagecolorallocate($img, 0, 0, 0);
imagefill($img, 0, 0, $white);
imagecopy($img, $source, 0, 0, 0, 0, imagesx($source)/2, imagesy($source));
imagecopy($img, $source, 0, imagesy($source), imagesx($source)/2, 0, imagesx($source)/2, imagesy($source));
imagecopy($img, $source, 0, 2*imagesy($source), 0, 0, imagesx($source)/2, imagesy($source));
imagecopy($img, $source, 0, 3*imagesy($source), imagesx($source)/2, 0, imagesx($source)/2, imagesy($source));
imagecopy($img, $source, 0, 4*imagesy($source), 0, 0, imagesx($source)/2, imagesy($source));
function text(string $text, int $size, int $y)
{
    global $source, $img;
    $x=imagesx($source)/2;
    $y*=imagesy($source);
    $width=imagesx($source)/2;
    $height=imagesy($source);
    $box = new Box($img);
    $box->setFontFace("/usr/share/fonts/liberation/LiberationMono-Regular.ttf");
    $box->setFontColor(new Color(0, 0, 0));
    $box->setFontSize($size);
    $box->setBox($x, $y, $width, $height);
    $box->setTextAlign("center", "center");
    $box->draw($text);
}
text("Seeing your friend posting something from Reddit", 24, 0);
text("Realizing that they browse Reddit and might recognize you", 24, 1);
text("Remembering that you never post on Reddit so it doesn't matter", 24, 2);
text("Remembering that you sometimes post about being trans so you might be outed", 24, 3);
text("Remembering that you're out to that person and they only know you as trans", 24, 4);
if(!DEBUG) {
    imagepng($img);
}