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<?php
/**
* Update Core administration panel.
*
* @package WordPress
* @subpackage Administration
*/

/** WordPress Administration Bootstrap */
require_once('admin.php');

if ( ! current_user_can('update_plugins') )
wp_die(__('You do not have sufficient permissions to update plugins for this blog.'));

function list_core_update( $update ) {
global $wp_local_package;
$version_string = ('en_US' == $update->locale && 'en_US' == get_locale() ) ?
$update->current : sprintf("%s&ndash;<strong>%s</strong>", $update->current, $update->locale);
$current = false;
if ( !isset($update->response) || 'latest' == $update->response )
$current = true;
$submit = __('Upgrade Automatically');
$form_action = 'update-core.php?action=do-core-upgrade';
if ( 'development' == $update->response ) {
$message = __('You are using a development version of WordPress. You can upgrade to the latest nightly build automatically or download the nightly build and install it manually:');
$download = __('Download nightly build');
} else {
if ( $current ) {
$message = sprintf(__('You have the latest version of WordPress. You do not need to upgrade. However, if you want to re-install version %s, you can do so automatically or download the package and re-install manually:'), $version_string);
$submit = __('Re-install Automatically');
$form_action = 'update-core.php?action=do-core-reinstall';
} else {
$message = sprintf(__('You can upgrade to version %s automatically or download the package and install it manually:'), $version_string);
}
$download = sprintf(__('Download %s'), $version_string);
}

echo '<p>';
echo $message;
echo '</p>';
echo '<form method="post" action="' . $form_action . '" name="upgrade" class="upgrade">';
wp_nonce_field('upgrade-core');
echo '<p>';
echo '<input id="upgrade" class="button" type="submit" value="' . esc_attr($submit) . '" name="upgrade" />&nbsp;';
echo '<input name="version" value="'. esc_attr($update->current) .'" type="hidden"/>';
echo '<input name="locale" value="'. esc_attr($update->locale) .'" type="hidden"/>';
echo '<a href="' . esc_url($update->package) . '" class="button">' . $download . '</a>&nbsp;';
if ( 'en_US' != $update->locale )
if ( !isset( $update->dismissed ) || !$update->dismissed )
echo '<input id="dismiss" class="button" type="submit" value="' . esc_attr__('Hide this update') . '" name="dismiss" />';
else
echo '<input id="undismiss" class="button" type="submit" value="' . esc_attr__('Bring back this update') . '" name="undismiss" />';
echo '</p>';
if ( 'en_US' != $update->locale && ( !isset($wp_local_package) || $wp_local_package != $update->locale ) )
echo '<p class="hint">'.__('This localized version contains both the translation and various other localization fixes. You can skip upgrading if you want to keep your current translation.').'</p>';
else if ( 'en_US' == $update->locale && get_locale() != 'en_US' ) {
echo '<p class="hint">'.sprintf( __('You are about to install WordPress %s <strong>in English.</strong> There is a chance this upgrade will break your translation. You may prefer to wait for the localized version to be released.'), $update->current ).'</p>';
}
echo '</form>';

}

function dismissed_updates() {
$dismissed = get_core_updates( array( 'dismissed' => true, 'available' => false ) );
if ( $dismissed ) {

$show_text = esc_js(__('Show hidden updates'));
$hide_text = esc_js(__('Hide hidden updates'));
?>
<script type="text/javascript">

jQuery(function($) {
$('dismissed-updates').show();
$('#show-dismissed').toggle(function(){$(this).text('<?php echo $hide_text; ?>');}, function() {$(this).text('<?php echo $show_text; ?>')});
$('#show-dismissed').click(function() { $('#dismissed-updates').toggle('slow');});
});
</script>
<?php
echo '<p class="hide-if-no-js"><a id="show-dismissed" href="#">'.__('Show hidden updates').'</a></p>';
echo '<ul id="dismissed-updates" class="core-updates dismissed">';
foreach( (array) $dismissed as $update) {
echo '<li>';
list_core_update( $update );
echo '</li>';
}
echo '</ul>';
}
}

/**
* Display upgrade WordPress for downloading latest or upgrading automatically form.
*
* @since 2.7
*
* @return null
*/
function core_upgrade_preamble() {
global $upgrade_error;

$updates = get_core_updates();
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php _e('Upgrade WordPress'); ?></h2>
<?php
if ( $upgrade_error ) {
echo '<div class="error"><p>';
_e('Please select one or more plugins to upgrade.');
echo '</p></div>';
}

if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {
echo '<h3>';
_e('You have the latest version of WordPress. You do not need to upgrade');
echo '</h3>';
} else {
echo '<div class="updated fade"><p>';
_e('<strong>Important:</strong> before upgrading, please <a href="http://codex.wordpress.org/WordPress_Backups">backup your database and files</a>.');
echo '</p></div>';

echo '<h3 class="response">';
_e( 'There is a new version of WordPress available for upgrade' );
echo '</h3>';
}

echo '<ul class="core-updates">';
$alternate = true;
foreach( (array) $updates as $update ) {
$class = $alternate? ' class="alternate"' : '';
$alternate = !$alternate;
echo "<li $class>";
list_core_update( $update );
echo '</li>';
}
echo '</ul>';
dismissed_updates();

list_plugin_updates();
//list_theme_updates();
do_action('core_upgrade_preamble');
echo '</div>';
}

function list_plugin_updates() {
global $wp_version;

$cur_wp_version = preg_replace('/-.*$/', '', $wp_version);

require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');
$plugins = get_plugin_updates();
if ( empty($plugins) )
return;
$form_action = 'update-core.php?action=do-plugin-upgrade';

$core_updates = get_core_updates();
if ( !isset($core_updates[0]->response) || 'latest' == $core_updates[0]->response || 'development' == $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=') )
$core_update_version = false;
else
$core_update_version = $core_updates[0]->current;
?>
<h3><?php _e('Plugins'); ?></h3>
<p><?php _e('The following plugins have new versions available. Check the ones you want to upgrade and then click "Upgrade Plugins".'); ?></p>
<form method="post" action="<?php echo $form_action; ?>" name="upgrade-plugins" class="upgrade">
<?php wp_nonce_field('upgrade-core'); ?>
<p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e('Upgrade Plugins'); ?>" name="upgrade" /></p>
<table class="widefat" cellspacing="0" id="update-plugins-table">
<thead>
<tr>
<th scope="col" class="manage-column check-column"><input type="checkbox" /></th>
<th scope="col" class="manage-column"><?php _e('Select All'); ?></th>
</tr>
</thead>

<tfoot>
<tr>
<th scope="col" class="manage-column check-column"><input type="checkbox" /></th>
<th scope="col" class="manage-column"><?php _e('Select All'); ?></th>
</tr>
</tfoot>
<tbody class="plugins">
<?php
foreach ( (array) $plugins as $plugin_file => $plugin_data) {
$info = plugins_api('plugin_information', array('slug' => $plugin_data->update->slug ));
// Get plugin compat for running version of WordPress.
if ( isset($info->tested) && version_compare($info->tested, $cur_wp_version, '>=') ) {
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: 100%% (according to its author)'), $cur_wp_version);
} elseif ( isset($info->compatibility[$cur_wp_version][$plugin_data->update->new_version]) ) {
$compat = $info->compatibility[$cur_wp_version][$plugin_data->update->new_version];
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $cur_wp_version, $compat[0], $compat[2], $compat[1]);
} else {
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $cur_wp_version);
}
// Get plugin compat for updated version of WordPress.
if ( $core_update_version ) {
if ( isset($info->compatibility[$core_update_version][$plugin_data->update->new_version]) ) {
$update_compat = $info->compatibility[$core_update_version][$plugin_data->update->new_version];
$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $core_update_version, $update_compat[0], $update_compat[2], $update_compat[1]);
} else {
$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $core_update_version);
}
}
// Get the upgrade notice for the new plugin version.
if ( isset($plugin_data->update->upgrade_notice) ) {
$upgrade_notice = '<br />' . strip_tags($plugin_data->update->upgrade_notice);
} else {
$upgrade_notice = '';
}
echo "
<tr class='active'>
<th scope='row' class='check-column'><input type='checkbox' name='checked[]' value='" . esc_attr($plugin_file) . "' /></th>
<td class='plugin-title'><strong>{$plugin_data->Name}</strong>" . sprintf(__('You are running version %1$s. Upgrade to %2$s.'), $plugin_data->Version, $plugin_data->update->new_version) . $compat . $upgrade_notice . "</td>
</tr>";
}
?>
</tbody>
</table>
<p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e('Upgrade Plugins'); ?>" name="upgrade" /></p>
</form>
<?php
}

function list_theme_updates() {
$themes = get_theme_updates();
if ( empty($themes) )
return;
?>
<h3><?php _e('Themes'); ?></h3>
<table class="widefat" cellspacing="0" id="update-themes-table">
<thead>
<tr>
<th scope="col" class="manage-column check-column"><input type="checkbox" /></th>
<th scope="col" class="manage-column"><?php _e('Name'); ?></th>
</tr>
</thead>

<tfoot>
<tr>
<th scope="col" class="manage-column check-column"><input type="checkbox" /></th>
<th scope="col" class="manage-column"><?php _e('Name'); ?></th>
</tr>
</tfoot>
<tbody class="plugins">
<?php
foreach ( (array) $themes as $stylesheet => $theme_data) {
echo "
<tr class='active'>
<th scope='row' class='check-column'><input type='checkbox' name='checked[]' value='" . esc_attr($stylesheet) . "' /></th>
<td class='plugin-title'><strong>{$theme_data->Name}</strong></td>
</tr>";
}
?>
</tbody>
</table>
<?php
}

/**
* Upgrade WordPress core display.
*
* @since 2.7
*
* @return null
*/
function do_core_upgrade( $reinstall = false ) {
global $wp_filesystem;

if ( $reinstall )
$url = 'update-core.php?action=do-core-reinstall';
else
$url = 'update-core.php?action=do-core-upgrade';
$url = wp_nonce_url($url, 'upgrade-core');
if ( false === ($credentials = request_filesystem_credentials($url, '', false, ABSPATH)) )
return;

$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;


if ( ! WP_Filesystem($credentials, ABSPATH) ) {
request_filesystem_credentials($url, '', true, ABSPATH); //Failed to connect, Error and request again
return;
}
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php _e('Upgrade WordPress'); ?></h2>
<?php
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '</div>';
return;
}

if ( $reinstall )
$update->response = 'reinstall';

$result = wp_update_core($update, 'show_message');

if ( is_wp_error($result) ) {
show_message($result);
if ('up_to_date' != $result->get_error_code() )
show_message( __('Installation Failed') );
} else {
show_message( __('WordPress upgraded successfully') );
}
echo '</div>';
}

function do_dismiss_core_update() {
$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;
dismiss_core_update( $update );
wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
}

function do_undismiss_core_update() {
$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;
undismiss_core_update( $version, $locale );
wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
}

function no_update_actions($actions) {
return '';
}

function do_plugin_upgrade() {
include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

if ( isset($_GET['plugins']) ) {
$plugins = explode(',', $_GET['plugins']);
} elseif ( isset($_POST['checked']) ) {
$plugins = (array) $_POST['checked'];
} else {
// Nothing to do.
return;
}
$url = 'update-core.php?action=do-plugin-upgrade&amp;plugins=' . urlencode(join(',', $plugins));
$title = __('Upgrade Plugins');
$nonce = 'upgrade-core';
$upgrader = new Plugin_Upgrader( new Plugin_Upgrader_Skin( compact('title', 'nonce', 'url', 'plugin') ) );
$upgrader->bulk_upgrade($plugins);
}

$action = isset($_GET['action']) ? $_GET['action'] : 'upgrade-core';

$upgrade_error = false;
if ( 'do-plugin-upgrade' == $action && !isset($_GET['plugins']) && !isset($_POST['checked']) ) {
$upgrade_error = true;
$action = 'upgrade-core';
}

$title = __('Upgrade WordPress');
$parent_file = 'tools.php';

if ( 'upgrade-core' == $action ) {
wp_version_check();
require_once('admin-header.php');
core_upgrade_preamble();
} elseif ( 'do-core-upgrade' == $action || 'do-core-reinstall' == $action ) {
check_admin_referer('upgrade-core');
// do the (un)dismiss actions before headers,
// so that they can redirect
if ( isset( $_POST['dismiss'] ) )
do_dismiss_core_update();
elseif ( isset( $_POST['undismiss'] ) )
do_undismiss_core_update();
require_once('admin-header.php');
if ( 'do-core-reinstall' == $action )
$reinstall = true;
else
$reinstall = false;
if ( isset( $_POST['upgrade'] ) )
do_core_upgrade($reinstall);
} elseif ( 'do-plugin-upgrade' == $action ) {
check_admin_referer('upgrade-core');
require_once('admin-header.php');
do_plugin_upgrade();
}

include('admin-footer.php');
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