dagsplug/plug_usermanager.php

<?php

if (!class_exists("plug_usermanager")) {
	class plug_usermanager {	
		function plug_usermanager($ns) {
			$this->title = __("plug_usermanager","dagsopt");
			$this->pluginname = $ns->pluginname;
			$this->file = $ns->file;
			$this->ns = $ns;

		}
		function start() {
//			register_setting("section", "demo-file", array(&this,"handle_file_upload"));
		
		}

		function handle_file_upload($option)
		{
		  	if(!empty($_FILES["demo-file"]["tmp_name"]))
		    {
		        $urls = wp_handle_upload($_FILES["demo-file"], array('test_form' => FALSE));
		        $temp = $urls["url"];
		        return $temp;   
		    }

		    return $option;
		}

		 


	function help(){
		?>
		plug_usermanager			
	<?php		
	}

 	function Option($pre){
		$nonce = $_REQUEST['_wpnonce'];
		if ( ! wp_verify_nonce( $nonce, 'filen-nonce' ) ) {
		    // This nonce is not valid.
		    die( __( 'Security check', 'textdomain' ) ); 
		} else {
		    // The nonce was valid.
		    // Do stuff here.
		    if(isset($_FILES) && !empty($_FILES)){
		    	if($_FILES['filen']){


					$upload = wp_upload_dir();
				    $upload_dir = $upload['basedir'];
				    $upload_dir = $upload_dir . '/assets';
					

		    		move_uploaded_file($_FILES['filen']['tmp_name'], $upload_dir."/users.csv");


		    	}
			}

		}

 		
	}

  		/*<input id="link_image" value="test">
  		<img src="" id="background_image">

		<a id="upload_image_button" href="#"><?php _e('Set image', 'dagsopt'); ?></a>
		*/	


	 	function admin_line($pre){
  ?>
  	<?php
  	$nonce = wp_create_nonce( 'filen-nonce' );
	$upload = wp_upload_dir();
    $upload_dir = $upload['basedir'];
    $upload_dir = $upload_dir . '/assets';

    $data = file_get_contents($upload_dir."/users.csv");

?>
	<textarea><?php echo($data); ?></textarea>	
  	 
	<input type="file" name="filen">
	<input type="hidden" name="_wpnonce" value="<?php echo $nonce ?>">


	  <?php  
}	
}

global $plug_usermanager;
$plug_usermanager = new plug_usermanager($this);		
	$this->dagsopt['plug_usermanager'] = $plug_usermanager;
	
}