kullandığım tema https://adminlte.io/themes/v3/pages/forms/general.html

kullandığım kod :
<div class="form-group">
<?php
if (strlen($ayarcek['ayar_logo'])>0) {?>
<img width="200" src="../../<?php echo $ayarcek['ayar_logo']; ?>">
<?php } else {?>
<img width="200" src="http://www.canlitv.cc/dimg/27905logo.png">
<?php } ?>
</div>
<div class="form-group">
<input type="file" id="first-name" name="ayar_logo" class="form-control col-md-7 col-xs-12">
<p align="left"><b> Site Başlığı</b></p>
</div>
<input type="hidden" name="eski_yol" value="<?php echo $ayarcek['ayar_logo']; ?>">
<div align=" center">
<button type="submit" class="btn btn-success float-right" name="logoduzenle">Submit</button>
</div>
