error uploading image using

<?php // RAY_upload_example.php
error_reporting(E_ALL);
 
// MANUAL REFERENCE PAGES
// http://docs.php.net/manual/en/features.file-upload.php
// http://docs.php.net/manual/en/features.file-upload.common-pitfalls.php
// http://docs.php.net/manual/en/function.move-uploaded-file.php
// http://docs.php.net/manual/en/function.getimagesize.php
 
// ESTABLISH THE NAME OF THE 'uploads' DIRECTORY
$uploads = 'uploads';
 
// ESTABLISH THE BIGGEST FILE SIZE WE CAN ACCEPT
$max_file_size = '8192000';  // EIGHT MEGABYTE LIMIT ON UPLOADS
 
// ESTABLISH THE KINDS OF FILE EXTENSIONS WE CAN ACCEPT
$file_exts = array('jpg', 'gif', 'png', 'txt');
 
// ESTABLISH THE NUMBER OF FILES WE CAN UPLOAD
$nf = 3;
 
 
 
// THIS IS A LIST OF THE POSSIBLE ERRORS THAT CAN BE REPORTED in $_FILES[]["error"]
$errors	= array(
	0 => "Success!",
	1 => "The uploaded file exceeds the upload_max_filesize directive in php.ini",
	2 => "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
	3 => "The uploaded file was only partially uploaded",
	4 => "No file was uploaded",
	6 => "Missing a temporary folder",
	7 => "Cannot write file to disk"
);
 
 
 
// IF THERE IS NOTHING IN $_POST, PUT UP THE FORM FOR INPUT
if (empty($_POST))
{
	?>
	<h2>Upload <?=$nf?> file(s)</h2>
 
	<!--
		SOME THINGS TO NOTE ABOUT THIS FORM...
		NOTE THE CHOICE OF ENCTYPE IN THE HTML FORM STATEMENT
		MAX_FILE_SIZE MUST PRECEDE THE FILE INPUT FIELD
		INPUT NAME= IN TYPE=FILE DETERMINES THE NAME YOU FIND IN $_FILES ARRAY
	-->
 
	<form name="UploadForm" enctype="multipart/form-data" action="<?=$_SERVER["REQUEST_URI"]?>" method="POST">
	<input type="hidden" name="p" value="1" />
	<input type="hidden" name="MAX_FILE_SIZE" value="<?=$max_file_size?>" />
	<p>
	Find the file(s) you want to upload and click the "Upload" button below.
	</p>
 
	<?php for ($n = 0; $n < $nf; $n++)
		{
			echo "<input name=\"userfile$n\" type=\"file\" size=\"80\" /><br/>\n";
		}
	?>
	<br/>Check this box <input autocomplete="off" type="checkbox" name="overwrite" /> to <b>overwrite</b> existing files.
	<input type="submit" name="_submit" value="Upload" />
	</form>
	<?php
	die();
}
 
 
 
else // WE HAVE GOT SOMETHING IN $_POST
{
 
// THERE IS POST DATA - PROCESS IT
	echo "<h2>Results: File Upload</h2>\n";
 
// ACTIVATE THIS TO SEE WHAT IS COMING THROUGH
//	echo "<pre>"; var_dump($_FILES); var_dump($_POST); echo "</pre>\n";
 
// ITERATE OVER THE CONTENTS OF $_FILES
	foreach ($_FILES as $my_uploaded_file)
	{
 
// SKIP OVER EMPTY SPOTS - NOTHING UPLOADED
		$error_code	= $my_uploaded_file["error"];
		if ($error_code == 4) continue;
 
// SYNTHESIZE THE NEW FILE NAME
		$f_type	= trim(strtolower(end    (explode( '.', basename($my_uploaded_file['name'] )))));
		$f_name	= trim(strtolower(current(explode( '.', basename($my_uploaded_file['name'] )))));
		$my_new_file = getcwd() . '/' . $uploads . '/' . $f_name .'.'. $f_type;
		$my_file     = $uploads . '/' . $f_name .'.'. $f_type;
 
// OPTIONAL TEST FOR ALLOWABLE EXTENSIONS
		if (!in_array($f_type, $file_exts)) die("Sorry, $f_type files not allowed");
 
// IF THERE ARE ERRORS
		if ($error_code != 0)
		{
			$error_message = $errors[$error_code];
			die("Sorry, Upload Error Code: $error_code: $error_message");
		}
 
// GET THE FILE SIZE
		$file_size	= number_format($my_uploaded_file["size"]);
 
// MOVE THE FILE INTO THE DIRECTORY
// IF THE FILE IS NEW
		if (!file_exists($my_new_file))
		{
			if (move_uploaded_file($my_uploaded_file['tmp_name'], $my_new_file))
			{
				$upload_success = 1;
			}
			else
			{
				$upload_success = -1;
			}
 
// IF THE FILE ALREADY EXISTS
		}
		else
		{
			echo "<br/><b><i>$my_file</i></b> already exists.\n";
 
// SHOULD WE OVERWRITE THE FILE? IF NOT
			if (empty($_POST["overwrite"]))
			{
				$upload_success = 0;
 
// IF WE SHOULD OVERWRITE THE FILE, TRY TO MAKE A BACKUP
			}
			else
			{
				$now	= date('Y-m-d');
				$my_bak = $my_new_file . '.' . $now . '.bak';
				if (!copy($my_new_file, $my_bak))
				{
					echo "<br/><b>Attempted Backup Failed!</b>\n";
				}
				if (move_uploaded_file($my_uploaded_file['tmp_name'], $my_new_file))
				{
					$upload_success = 2;
				}
				else
				{
					$upload_success = -1;
				}
			}
		}
 
// REPORT OUR SUCCESS OR FAILURE
		if ($upload_success == 2) { echo "<br/>It has been overwritten.\n"; }
		if ($upload_success == 1) { echo "<br/><b><i>$my_file</i></b> has been saved.\n"; }
		if ($upload_success == 0) { echo "<br/><b>It was NOT overwritten.</b>\n"; }
		if ($upload_success < 0)  { echo "<br/><b>ERROR <i>$my_file</i> NOT SAVED - SEE WARNING FROM move_uploaded_file() COMMAND</b>\n"; }
		if ($upload_success > 0)
		{
			echo "$file_size bytes uploaded.\n";
			if (!chmod ($my_new_file, 0755))
			{
				echo "<br/>chmod(0755) FAILED: fileperms() = ";
				echo substr(sprintf('%o', fileperms($my_new_file)), -4);
			}
			echo "<br/><a href=\"$my_file\">See the file $my_file</a>\n";
		}
// END ITERATOR
	}
}
?>

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<?php // RAY_temp_basename.php
error_reporting(E_ALL);
$thing = basename("../abc/h.bla.jpg");
var_dump($thing); // PRINTS h.bla.jpg
?>

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