<?php

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/**

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* Upgrader API: Bulk_Upgrader_Skin class

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*

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* @package WordPress

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* @subpackage Upgrader

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* @since 4.6.0

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*/

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/**

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* Generic Bulk Upgrader Skin for WordPress Upgrades.

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*

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* @since 3.0.0

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* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.

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*

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* @see WP_Upgrader_Skin

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*/

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class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {

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/**

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* Whether the bulk update process has started.

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*

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* @since 3.0.0

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* @var bool

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*/

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public $in_loop = false;

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/**

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* Stores an error message about the update.

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*

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* @since 3.0.0

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* @var string|false

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*/

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public $error = false;

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/**

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* Constructor.

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*

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* Sets up the generic skin for the Bulk Upgrader classes.

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*

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* @since 3.0.0

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*

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* @param array $args

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*/

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public function __construct( $args = array() ) {

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$defaults = array(

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'url' => '',

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'nonce' => '',

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);

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$args = wp_parse_args( $args, $defaults );

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parent::__construct( $args );

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}

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/**

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* Sets up the strings used in the update process.

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*

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* @since 3.0.0

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*/

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public function add_strings() {

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$this->upgrader->strings['skin_upgrade_start'] = __( 'The update process is starting. This process may take a while on some hosts, so please be patient.' );

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/* translators: 1: Title of an update, 2: Error message. */

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$this->upgrader->strings['skin_update_failed_error'] = __( 'An error occurred while updating %1$s: %2$s' );

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/* translators: %s: Title of an update. */

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$this->upgrader->strings['skin_update_failed'] = __( 'The update of %s failed.' );

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/* translators: %s: Title of an update. */

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$this->upgrader->strings['skin_update_successful'] = __( '%s updated successfully.' );

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$this->upgrader->strings['skin_upgrade_end'] = __( 'All updates have been completed.' );

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}

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/**

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* Displays a message about the update.

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*

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* @since 3.0.0

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* @since 5.9.0 Renamed `$string` (a PHP reserved keyword) to `$feedback` for PHP 8 named parameter support.

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*

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* @param string $feedback Message data.

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* @param mixed ...$args Optional text replacements.

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*/

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public function feedback( $feedback, ...$args ) {

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if ( isset( $this->upgrader->strings[ $feedback ] ) ) {

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$feedback = $this->upgrader->strings[ $feedback ];

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}

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if ( str_contains( $feedback, '%' ) ) {

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if ( $args ) {

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$args = array_map( 'strip_tags', $args );

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$args = array_map( 'esc_html', $args );

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$feedback = vsprintf( $feedback, $args );

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}

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}

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if ( empty( $feedback ) ) {

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return;

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}

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if ( $this->in_loop ) {

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echo "$feedback<br />\n";

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} else {

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echo "<p>$feedback</p>\n";

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}

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}

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/**

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* Displays the header before the update process.

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*

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* @since 3.0.0

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*/

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public function header() {

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// Nothing. This will be displayed within an iframe.

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}

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/**

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* Displays the footer following the update process.

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*

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* @since 3.0.0

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*/

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public function footer() {

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// Nothing. This will be displayed within an iframe.

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}

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/**

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* Displays an error message about the update.

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*

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* @since 3.0.0

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* @since 5.9.0 Renamed `$error` to `$errors` for PHP 8 named parameter support.

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*

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* @param string|WP_Error $errors Errors.

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*/

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public function error( $errors ) {

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if ( is_string( $errors ) && isset( $this->upgrader->strings[ $errors ] ) ) {

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$this->error = $this->upgrader->strings[ $errors ];

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}

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if ( is_wp_error( $errors ) ) {

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$messages = array();

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foreach ( $errors->get_error_messages() as $emessage ) {

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if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) ) {

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$messages[] = $emessage . ' ' . esc_html( strip_tags( $errors->get_error_data() ) );

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} else {

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$messages[] = $emessage;

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}

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}

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$this->error = implode( ', ', $messages );

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}

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echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';

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}

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/**

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* Displays the header before the bulk update process.

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*

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* @since 3.0.0

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*/

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public function bulk_header() {

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$this->feedback( 'skin_upgrade_start' );

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}

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/**

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* Displays the footer following the bulk update process.

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*

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* @since 3.0.0

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*/

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public function bulk_footer() {

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$this->feedback( 'skin_upgrade_end' );

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}

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/**

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* Performs an action before a bulk update.

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*

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* @since 3.0.0

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*

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* @param string $title

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*/

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public function before( $title = '' ) {

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$this->in_loop = true;

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printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );

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echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').css("display", "inline-block");</script>';

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// This progress messages div gets moved via JavaScript when clicking on "More details.".

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echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr( $this->upgrader->update_current ) . '"><p>';

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$this->flush_output();

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}

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/**

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* Performs an action following a bulk update.

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*

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* @since 3.0.0

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*

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* @param string $title

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*/

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public function after( $title = '' ) {

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

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if ( $this->error || ! $this->result ) {

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if ( $this->error ) {

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$after_error_message = sprintf( $this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' );

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} else {

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$after_error_message = sprintf( $this->upgrader->strings['skin_update_failed'], $title );

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}

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wp_admin_notice(

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$after_error_message,

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array(

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'additional_classes' => array( 'error' ),

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)

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);

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echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js( $this->upgrader->update_current ) . '\').show();</script>';

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}

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if ( $this->result && ! is_wp_error( $this->result ) ) {

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if ( ! $this->error ) {

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echo '<div class="updated js-update-details" data-update-details="progress-' . esc_attr( $this->upgrader->update_current ) . '">' .

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'<p>' . sprintf( $this->upgrader->strings['skin_update_successful'], $title ) .

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' <button type="button" class="hide-if-no-js button-link js-update-details-toggle" aria-expanded="false">' . __( 'More details.' ) . '<span class="dashicons dashicons-arrow-down" aria-hidden="true"></span></button>' .

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'</p></div>';

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}

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echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';

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}

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$this->reset();

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$this->flush_output();

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}

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/**

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* Resets the properties used in the update process.

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*

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* @since 3.0.0

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*/

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public function reset() {

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$this->in_loop = false;

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$this->error = false;

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}

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/**

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* Flushes all output buffers.

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*

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* @since 3.0.0

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*/

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public function flush_output() {

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wp_ob_end_flush_all();

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flush();

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}

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}

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