<?php

/**

 * Update Core administration panel.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** WordPress Administration Bootstrap */

require_once( dirname( __FILE__ ) . '/admin.php' );

wp_enqueue_style( 'plugin-install' );

wp_enqueue_script( 'plugin-install' );

wp_enqueue_script( 'updates' );

add_thickbox();

if ( is_multisite() && ! is_network_admin() ) {

	wp_redirect( network_admin_url( 'update-core.php' ) );

	exit();

}

function list_core_update( $update ) {

  	static $first_pass = true;

 	if ( 'en_US' == $update->locale && 'en_US' == get_locale() )

 		$version_string = $update->current;

 	// If the only available update is a partial builds, it doesn't need a language-specific version string.

 	elseif ( 'en_US' == $update->locale && $update->packages->partial && $wp_version == $update->partial_version && ( $updates = get_core_updates() ) && 1 == count( $updates ) )

 		$version_string = $update->current;

 	else

 		$version_string = sprintf( "%s&ndash;<strong>%s</strong>", $update->current, $update->locale );

	$current = false;

	if ( !isset($update->response) || 'latest' == $update->response )

		$current = true;

	$submit = __('Update Now');

	$form_action = 'update-core.php?action=do-core-upgrade';

	$php_version    = phpversion();

	$mysql_version  = $wpdb->db_version();

	$show_buttons = true;

	if ( 'development' == $update->response ) {

	} else {

		if ( $current ) {

			$submit = __('Re-install Now');

			$form_action = 'update-core.php?action=do-core-reinstall';

		} else {

			$php_compat     = version_compare( $php_version, $update->php_version, '>=' );

			if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )

				$mysql_compat = true;

			else

				$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );

			if ( !$mysql_compat && !$php_compat )

				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version );

			elseif ( !$php_compat )

				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.'), $update->current, $update->php_version, $php_version );

			elseif ( !$mysql_compat )

				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.'), $update->current, $update->mysql_version, $mysql_version );

			else

			if ( !$mysql_compat || !$php_compat )

				$show_buttons = false;

		}

	}

	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 name="version" value="'. esc_attr($update->current) .'" type="hidden"/>';

	echo '<input name="locale" value="'. esc_attr($update->locale) .'" type="hidden"/>';

	if ( $show_buttons ) {

		if ( $first_pass ) {

			$first_pass = false;

		} else {

		}

	}

	if ( 'en_US' != $update->locale )

		if ( !isset( $update->dismissed ) || !$update->dismissed )

		else

	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>';

	// Partial builds don't need language-specific warnings.

	elseif ( 'en_US' == $update->locale && get_locale() != 'en_US' && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {

	    echo '<p class="hint">'.sprintf( __('You are about to install WordPress %s <strong>in English (US).</strong> There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.'), $update->response != 'development' ? $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">';

			echo '<li>';

			list_core_update( $update );

			echo '</li>';

		}

		echo '</ul>';

	}

}

/**

 * Display upgrade WordPress for downloading latest or upgrading automatically form.

 *

 * @since 2.7.0

 *

 */

function core_upgrade_preamble() {

	$updates = get_core_updates();

	if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {

		_e('You have the latest version of WordPress.');

		if ( wp_http_supports( array( 'ssl' ) ) ) {

			require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

			$upgrader = new WP_Automatic_Updater;

			$future_minor_update = (object) array(

				'current'       => $wp_version . '.1.next.minor',

				'version'       => $wp_version . '.1.next.minor',

				'php_version'   => $required_php_version,

				'mysql_version' => $required_mysql_version,

			);

			$should_auto_update = $upgrader->should_update( 'core', $future_minor_update, ABSPATH );

			if ( $should_auto_update )

				echo ' ' . __( 'Future security updates will be applied automatically.' );

		}

	} else {

		_e('<strong>Important:</strong> before updating, please <a href="https://codex.wordpress.org/WordPress_Backups">back up your database and files</a>. For help with updates, visit the <a href="https://codex.wordpress.org/Updating_WordPress">Updating WordPress</a> Codex page.');

		echo '</p></div>';

		_e( 'An updated version of WordPress is available.' );

	}

	if ( isset( $updates[0] ) && $updates[0]->response == 'development' ) {

		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

		$upgrader = new WP_Automatic_Updater;

		if ( wp_http_supports( 'ssl' ) && $upgrader->should_update( 'core', $updates[0], ABSPATH ) ) {

			echo '<div class="updated inline"><p>';

			echo '<strong>' . __( 'BETA TESTERS:' ) . '</strong> ' . __( 'This site is set up to install updates of future beta versions automatically.' );

			echo '</p></div>';

		}

	}

	echo '<ul class="core-updates">';

		echo '<li>';

		list_core_update( $update );

		echo '</li>';

	}

	echo '</ul>';

	// Don't show the maintenance mode notice when we are only showing a single re-install option.

	if ( $updates && ( count( $updates ) > 1 || $updates[0]->response != 'latest' ) ) {

		echo '<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, your site will return to normal.' ) . '</p>';

	} elseif ( ! $updates ) {

		list( $normalized_version ) = explode( '-', $wp_version );

		echo '<p>' . sprintf( __( '<a href="%s">Learn more about WordPress %s</a>.' ), esc_url( self_admin_url( 'about.php' ) ), $normalized_version ) . '</p>';

	}

	dismissed_updates();

}

function list_plugin_updates() {

	require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');

	$plugins = get_plugin_updates();

	if ( empty( $plugins ) ) {

		echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';

		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;

	?>

<p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click &#8220;Update Plugins&#8221;.' ); ?></p>

<form method="post" action="<?php echo esc_url( $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('Update Plugins'); ?>" name="upgrade" /></p>

	<thead>

	<tr>

	</tr>

	</thead>

	<tbody class="plugins">

<?php

		}

		// Get plugin compat for running version of WordPress.

			$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: 100%% (according to its author)'), $cur_wp_version);

		} 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 ) {

			} 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 = '';

		}

		$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662');

	}

?>

	</tbody>

	<tfoot>

	<tr>

	</tr>

	</tfoot>

</table>

<p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e('Update Plugins'); ?>" name="upgrade" /></p>

</form>

<?php

}

function list_theme_updates() {

	$themes = get_theme_updates();

	if ( empty( $themes ) ) {

		echo '<p>' . __( 'Your themes are all up to date.' ) . '</p>';

		return;

	}

	$form_action = 'update-core.php?action=do-theme-upgrade';

?>

<p><?php _e( 'The following themes have new versions available. Check the ones you want to update and then click &#8220;Update Themes&#8221;.' ); ?></p>

<p><?php printf( __( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ), __( 'https://codex.wordpress.org/Child_Themes' ) ); ?></p>

<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">

<?php wp_nonce_field('upgrade-core'); ?>

<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>

	<thead>

	<tr>

	</tr>

	</thead>

	<tbody class="plugins">

<?php

	foreach ( $themes as $stylesheet => $theme ) {