icon_eth.php

<?php
header ('Content-Type: image/png');

$selectedToken = $_GET['token'];
$autoResolve = $_GET['autoResolve'];
$filename = 'icons/ethereum/' . $selectedToken . '.png';

if (file_exists($filename)) {
  $image = file_get_contents('icons/ethereum/' . $selectedToken . '.png');
} else {
  $image = file_get_contents('icons/ethereum/' . strtolower($selectedToken) . '.png');
  if ($image) {
  } else {
    $image = file_get_contents('https://github.com/trustwallet/assets/raw/master/blockchains/ethereum/assets/' . $selectedToken . '/logo.png');
    if ($image) {
    } else {
      $json_tokenDataIcons = file_get_contents('https://token-data.unifi.report/api/getInfo?token=' . $selectedToken . '&chain=ETH');
      $tokenDataIcons = json_decode($json_tokenDataIcons);
      $tokenDataIconData = $tokenDataIcons->logoURI;
      $image = file_get_contents($tokenDataIconData);
    }
    if ($image) {
      $file = 'icons/ethereum/' . $selectedToken . '.png';
      file_put_contents($file, $image, FILE_APPEND | LOCK_EX);
      $file = 'icons/ethereum/' . strtolower($selectedToken) . '.png';
      file_put_contents($file, $image, FILE_APPEND | LOCK_EX);
    } else {
      if ($autoResolve === 'false') {
        http_response_code(404);
        die();
      } else {
        $image = file_get_contents('icons/unknown.png');
      }
    }
  }
}
echo $image;