enctype="multipart/form-data"
ekli mi formunda?
Formu alta koymuştum tekrar bakabilirsiniz;
<form method="post" action="resim-yukle-1.html" enctype="multipart/form-data">
<input style="background:#00CCFF; border:1px solid #fff; height:25px; width:250px; margin-top:7px; " type="file" name="dosyalar[]" /><div id="p"></div><br>
<a onClick="changeIt()"><img src="index_files/+.jpg" alt="+" class="+" /></a> <input id="submit" name="submit" value="Upload" type="image" src="index_files/upload.jpg" alt="upload" /> </form>