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Robert Harm | 01/20/13 at 3:22pm Edit
Tutorial: How to assign prize money

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• 
  Last edited:
  01/20/13
  3:40pm
  Francisco Javier Carazo Gil says:

  Hi Robert,
  
  Look at update.php in /wp-admin line 90 and nexts:
  

  
  
  if ( ! current_user_can('install_plugins') )
  
  	wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
  
  
  
  	include_once ABSPATH . 'wp-admin/includes/plugin-install.php'; //for plugins_api..
  
  
  
  	check_admin_referer('install-plugin_' . $plugin);
  
  	$api = plugins_api('plugin_information', array('slug' => $plugin, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
  
  
  
  	if ( is_wp_error($api) )
  
   		wp_die($api);
  
  
  
  	$title = __('Plugin Install');
  
  	$parent_file = 'plugins.php';
  
  	$submenu_file = 'plugin-install.php';
  
  	require_once(ABSPATH . 'wp-admin/admin-header.php');
  
  
  
  	$title = sprintf( __('Installing Plugin: %s'), $api->name . ' ' . $api->version );
  
  	$nonce = 'install-plugin_' . $plugin;
  
  	$url = 'update.php?action=install-plugin&plugin=' . $plugin;
  
  	if ( isset($_GET['from']) )
  
  		$url .= '&from=' . urlencode(stripslashes($_GET['from']));
  
  
  
  	$type = 'web'; //Install plugin type, From Web or an Upload.
  
  
  
  	$upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
  
  	$upgrader->install($api->download_link);
  
  
  
  	include(ABSPATH . 'wp-admin/admin-footer.php');
  
  

  Post reply

• 
  Last edited:
  01/20/13
  3:51pm
  phppoet says:

  use something like this
  
  <?php
  
  $status = install_plugin_install_status( $plugin, true );
  
  $action = '';
  switch ( $status['status'] ) {
  case 'install':
  if ( $status['url'] ) {
  $action = '<a class="install-now" href="' . $status['url'] . '" title="' . esc_attr(sprintf(__('Install %s', 'your plugin name'), $name ) ) . '">' . __('Install Now', 'your plugin name') . '</a>';
  }
  else {
  $action = '<span title="' . esc_attr__('This plugin is already installed and is up to date', 'your plugin name') . ' ">' . __( 'Installed' ) . '</span>';
  }
  break;
  case 'update_available':
  if ( $status['url'] )
  $action = '<a href="' . $status['url'] . '" title="' . esc_attr(sprintf(__('Update to version %s', 'your plugin name'), $status['version'])) . '" class="your plugin name-bold your plugin name-orange">' . sprintf(__('Update Now', 'your plugin name'), $status['version'] ) . '</a>';
  break;
  case 'latest_installed':
  case 'newer_installed':
  $action = '<span title="' . esc_attr__('This plugin is already installed and is up to date', 'your plugin name') . ' ">' . __('Installed', 'your plugin name') . '</span>';
  break;
  }
  ?>
  
  where ' . $status['url'] . ' will contain zip url of your plugin.

  Post reply

  Previous versions of this answer: 01/20/13 at 3:51pm

• 
  Last edited:
  01/20/13
  3:58pm
  John Cotton says:

  You need to use the Plugin_Upgrader class. You can pass your custom url to it and it will do most of the output (look at /wp-admin/update.php for an example).

  Post reply

• 
  Last edited:
  01/20/13
  4:13pm
  plovs says:

  The simplest way I can think of to supply custom plugins is using the code found here: automatic-theme-plugin-update
  
  You could add the custom update-code to your plugin, but deactivated. User pays money, gets a key, enters key, presses update, update checks the key, if correct, switches update repo, from then on it will do update-lookups to your server.
  
  From then on the plugin will look in your custom location for updates, for the end-user it looks like any other plugin update.
  
  

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• 
  Last edited:
  01/20/13
  4:32pm
  phppoet says:

  Another way would be to implement something like this into your current plugin
  
  http://w-shadow.com/blog/2010/09/02/automatic-updates-for-any-plugin/ which is a plugin update script. which retrives data from external .js file which keep information about latest version ,zip update url.
  
  When users click on version details they popup appears where install now link exists . when users click on install now previous plugin is deactivated and new plugin is downloaded,installed and activated from scratch. You can modify it as per your need.

  Post reply

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