Attempt to write images from Blobs

gistfile1.txt

<?php
$db['hostname']='localhost';
$db['username']='root';
$db['password']='root';
$db['schema']='old_wkf';

if(!$link = mysqli_connect($db['hostname'], $db['username'], $db['password'])){
        echo mysqli_errno($link) . ": " . mysqli_error($link) . "\n";
}
if(!mysqli_select_db($link, $db['schema'])){
        echo mysqli_errno($link) . ": " . mysqli_error($link) . "\n";
}

$sql = 'SELECT ID, GARDEN_PHOTO_UPLOAD, GARDEN_PHOTO_UPLOAD_FILENAME FROM `grant_request` WHERE DECISION_YN="Y" LIMIT 10';

if($result = mysqli_query($link, $sql)){
  while($row = mysqli_fetch_array($result)) {
    $filename = $row['GARDEN_PHOTO_UPLOAD_FILENAME'];
    $id = $row['ID'];
    $blob = $row['GARDEN_PHOTO_UPLOAD'];

    if(writeImage($filename, $id, $blob)){
      echo 'SUCCESS! Grant id ' . $id . ' file written' . "\n";
    } else {
      echo 'FAIL! Grant id ' . $id . ' file not written' . "\n";
    }
  }
} else {
  echo mysqli_errno($link) . ": " . mysqli_error($link) . "\n";
}

function getExtension($filename){
  if($array = explode('.', $filename)){
    $last = count($array) -1;
    $ext = strtolower($array[$last]);
    return $ext;
  } else {
    return FALSE;
  }
}

function writeFile($filename, $id, $info){
  $ext = '.' . getExtension($filename);
  $fh = fopen('wkfimages/' . $id . $ext, 'w');
  if(fwrite($fh, $info)){
    return TRUE;
  } else {
    return FALSE;
  }
}

function writeImage($filename, $id, $info){
  $info = base64_decode($info);
  if($im = imagecreatefromstring($info)){
    if(imagejpeg($im, 'wkfimages/' . $id . '.jpg')){
      return TRUE;
    }
  }
  return FALSE;
}


?>