<?php

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/**

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* Update Core administration panel.

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*

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* @package WordPress

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* @subpackage Administration

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*/

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/** WordPress Administration Bootstrap */

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require_once __DIR__ . '/admin.php';

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wp_enqueue_style( 'plugin-install' );

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wp_enqueue_script( 'plugin-install' );

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wp_enqueue_script( 'updates' );

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add_thickbox();

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

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

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exit;

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}

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if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) ) {

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wp_die( __( 'Sorry, you are not allowed to update this site.' ) );

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}

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/**

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* Lists available core updates.

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*

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* @since 2.7.0

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*

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* @global string $wp_local_package Locale code of the package.

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* @global wpdb $wpdb WordPress database abstraction object.

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*

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* @param object $update

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*/

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function list_core_update( $update ) {

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global $wp_local_package, $wpdb;

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static $first_pass = true;

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$wp_version = wp_get_wp_version();

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$version_string = sprintf( '%s&ndash;%s', $update->current, get_locale() );

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

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$version_string = $update->current;

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

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$updates = get_core_updates();

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if ( $updates && 1 === count( $updates ) ) {

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

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$version_string = $update->current;

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}

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} elseif ( 'en_US' === $update->locale && 'en_US' !== get_locale() ) {

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$version_string = sprintf( '%s&ndash;%s', $update->current, $update->locale );

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}

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$current = false;

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

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$current = true;

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}

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$message = '';

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

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$php_version = PHP_VERSION;

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$mysql_version = $wpdb->db_version();

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$show_buttons = true;

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// Nightly build versions have two hyphens and a commit number.

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if ( preg_match( '/-\w+-\d+/', $update->current ) ) {

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// Retrieve the major version number.

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preg_match( '/^\d+.\d+/', $update->current, $update_major );

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/* translators: %s: WordPress version. */

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$submit = sprintf( __( 'Update to latest %s nightly' ), $update_major[0] );

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} else {

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/* translators: %s: WordPress version. */

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$submit = sprintf( __( 'Update to version %s' ), $version_string );

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}

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

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$message = __( 'You can update to the latest nightly build manually:' );

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} else {

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if ( $current ) {

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/* translators: %s: WordPress version. */

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$submit = sprintf( __( 'Re-install version %s' ), $version_string );

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

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} else {

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

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

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$mysql_compat = true;

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} else {

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

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}

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$version_url = sprintf(

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/* translators: %s: WordPress version. */

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esc_url( __( 'https://wordpress.org/documentation/wordpress-version/version-%s/' ) ),

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sanitize_title( $update->current )

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);

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$php_update_message = '</p><p>' . sprintf(

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/* translators: %s: URL to Update PHP page. */

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__( '<a href="%s">Learn more about updating PHP</a>.' ),

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esc_url( wp_get_update_php_url() )

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);

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$annotation = wp_get_update_php_annotation();

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if ( $annotation ) {

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$php_update_message .= '</p><p><em>' . $annotation . '</em>';

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}

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if ( ! $mysql_compat && ! $php_compat ) {

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$message = sprintf(

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/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */

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__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),

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$version_url,

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$update->current,

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$update->php_version,

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$update->mysql_version,

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$php_version,

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$mysql_version

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) . $php_update_message;

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} elseif ( ! $php_compat ) {

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$message = sprintf(

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/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */

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__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),

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$version_url,

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$update->current,

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$update->php_version,

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$php_version

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) . $php_update_message;

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} elseif ( ! $mysql_compat ) {

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$message = sprintf(

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/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */

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__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),

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$version_url,

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$update->current,

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$update->mysql_version,

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$mysql_version

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);

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} else {

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$message = sprintf(

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/* translators: 1: Installed WordPress version number, 2: URL to WordPress release notes, 3: New WordPress version number, including locale if necessary. */

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__( 'You can update from WordPress %1$s to <a href="%2$s">WordPress %3$s</a> manually:' ),

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$wp_version,

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$version_url,

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$version_string

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);

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}

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if ( ! $mysql_compat || ! $php_compat ) {

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$show_buttons = false;

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}

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}

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}

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echo '<p>';

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echo $message;

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echo '</p>';

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echo '<form method="post" action="' . esc_url( $form_action ) . '" name="upgrade" class="upgrade">';

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wp_nonce_field( 'upgrade-core' );

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echo '<p>';

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

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

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if ( $show_buttons ) {

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if ( $first_pass ) {

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submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );

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$first_pass = false;

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} else {

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submit_button( $submit, '', 'upgrade', false );

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}

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}

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

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

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submit_button( __( 'Hide this update' ), '', 'dismiss', false );

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} else {

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submit_button( __( 'Bring back this update' ), '', 'undismiss', false );

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}

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}

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echo '</p>';

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if ( 'en_US' !== $update->locale && ( ! isset( $wp_local_package ) || $wp_local_package !== $update->locale ) ) {

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echo '<p class="hint">' . __( 'This localized version contains both the translation and various other localization fixes.' ) . '</p>';

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

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

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echo '<p class="hint">' . sprintf(

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/* translators: %s: WordPress version. */

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__( '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.' ),

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'development' !== $update->response ? $update->current : ''

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) . '</p>';

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}

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echo '</form>';

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}

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/**

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* Display dismissed updates.

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*

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* @since 2.7.0

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*/

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function dismissed_updates() {

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$dismissed = get_core_updates(

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array(

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'dismissed' => true,

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'available' => false,

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)

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);

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if ( $dismissed ) {

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$show_text = esc_js( __( 'Show hidden updates' ) );

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$hide_text = esc_js( __( 'Hide hidden updates' ) );

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?>

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<script type="text/javascript">

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jQuery( function( $ ) {

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$( '#show-dismissed' ).on( 'click', function() {

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var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );

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if ( isExpanded ) {

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$( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' );

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} else {

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$( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' );

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}

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$( '#dismissed-updates' ).toggle( 'fast' );

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});

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});

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</script>

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<?php

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echo '<p class="hide-if-no-js"><button type="button" class="button" id="show-dismissed" aria-expanded="false">' . __( 'Show hidden updates' ) . '</button></p>';

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

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foreach ( (array) $dismissed as $update ) {

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echo '<li>';

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list_core_update( $update );

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echo '</li>';

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}

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echo '</ul>';

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}

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}

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/**

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

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*

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* @since 2.7.0

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*/

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function core_upgrade_preamble() {

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$updates = get_core_updates();

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// Include an unmodified $wp_version.

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require ABSPATH . WPINC . '/version.php';

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$is_development_version = preg_match( '/alpha|beta|RC/', $wp_version );

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if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {

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echo '<h2 class="response">';

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

[254] Fix | Delete

echo '</h2>';

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[256] Fix | Delete

$message = sprintf(

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/* translators: 1: Documentation on WordPress backups, 2: Documentation on updating WordPress. */

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__( '<strong>Important:</strong> Before updating, please <a href="%1$s">back up your database and files</a>. For help with updates, visit the <a href="%2$s">Updating WordPress</a> documentation page.' ),

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__( 'https://developer.wordpress.org/advanced-administration/security/backup/' ),

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__( 'https://wordpress.org/documentation/article/updating-wordpress/' )

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);

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wp_admin_notice(

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$message,

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array(

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'type' => 'warning',

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

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)

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);

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} elseif ( $is_development_version ) {

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echo '<h2 class="response">' . __( 'You are using a development version of WordPress.' ) . '</h2>';

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} else {

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echo '<h2 class="response">' . __( 'You have the latest version of WordPress.' ) . '</h2>';

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}

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

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foreach ( (array) $updates as $update ) {

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echo '<li>';

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list_core_update( $update );

[279] Fix | Delete

echo '</li>';

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}

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echo '</ul>';

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[283] Fix | Delete

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

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

[285] Fix | Delete

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

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} elseif ( ! $updates ) {

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

[288] Fix | Delete

echo '<p>' . sprintf(

[289] Fix | Delete

/* translators: 1: URL to About screen, 2: WordPress version. */

[290] Fix | Delete

__( '<a href="%1$s">Learn more about WordPress %2$s</a>.' ),

[291] Fix | Delete

esc_url( self_admin_url( 'about.php' ) ),

[292] Fix | Delete

$normalized_version

[293] Fix | Delete

) . '</p>';

[294] Fix | Delete

}

[295] Fix | Delete

[296] Fix | Delete

dismissed_updates();

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}

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[299] Fix | Delete

/**

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* Display WordPress auto-updates settings.

[301] Fix | Delete

*

[302] Fix | Delete

* @since 5.6.0

[303] Fix | Delete

*/

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function core_auto_updates_settings() {

[305] Fix | Delete

if ( isset( $_GET['core-major-auto-updates-saved'] ) ) {

[306] Fix | Delete

if ( 'enabled' === $_GET['core-major-auto-updates-saved'] ) {

[307] Fix | Delete

$notice_text = __( 'Automatic updates for all WordPress versions have been enabled. Thank you!' );

[308] Fix | Delete

wp_admin_notice(

[309] Fix | Delete

$notice_text,

[310] Fix | Delete

array(

[311] Fix | Delete

'type' => 'success',

[312] Fix | Delete

'dismissible' => true,

[313] Fix | Delete

)

[314] Fix | Delete

);

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} elseif ( 'disabled' === $_GET['core-major-auto-updates-saved'] ) {

[316] Fix | Delete

$notice_text = __( 'WordPress will only receive automatic security and maintenance releases from now on.' );

[317] Fix | Delete

wp_admin_notice(

[318] Fix | Delete

$notice_text,

[319] Fix | Delete

array(

[320] Fix | Delete

'type' => 'success',

[321] Fix | Delete

'dismissible' => true,

[322] Fix | Delete

)

[323] Fix | Delete

);

[324] Fix | Delete

}

[325] Fix | Delete

}

[326] Fix | Delete

[327] Fix | Delete

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

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$updater = new WP_Automatic_Updater();

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// Defaults:

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$upgrade_dev = get_site_option( 'auto_update_core_dev', 'enabled' ) === 'enabled';

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$upgrade_minor = get_site_option( 'auto_update_core_minor', 'enabled' ) === 'enabled';

[333] Fix | Delete

$upgrade_major = get_site_option( 'auto_update_core_major', 'unset' ) === 'enabled';

[334] Fix | Delete

[335] Fix | Delete

$can_set_update_option = true;

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// WP_AUTO_UPDATE_CORE = true (all), 'beta', 'rc', 'development', 'branch-development', 'minor', false.

[337] Fix | Delete

if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {

[338] Fix | Delete

if ( false === WP_AUTO_UPDATE_CORE ) {

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// Defaults to turned off, unless a filter allows it.

[340] Fix | Delete

$upgrade_dev = false;

[341] Fix | Delete

$upgrade_minor = false;

[342] Fix | Delete

$upgrade_major = false;

[343] Fix | Delete

} elseif ( true === WP_AUTO_UPDATE_CORE

[344] Fix | Delete

|| in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true )

[345] Fix | Delete

) {

[346] Fix | Delete

// ALL updates for core.

[347] Fix | Delete

$upgrade_dev = true;

[348] Fix | Delete

$upgrade_minor = true;

[349] Fix | Delete

$upgrade_major = true;

[350] Fix | Delete

} elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) {

[351] Fix | Delete

// Only minor updates for core.

[352] Fix | Delete

$upgrade_dev = false;

[353] Fix | Delete

$upgrade_minor = true;

[354] Fix | Delete

$upgrade_major = false;

[355] Fix | Delete

}

[356] Fix | Delete

[357] Fix | Delete

// The UI is overridden by the `WP_AUTO_UPDATE_CORE` constant.

[358] Fix | Delete

$can_set_update_option = false;

[359] Fix | Delete

}

[360] Fix | Delete

[361] Fix | Delete

if ( $updater->is_disabled() ) {

[362] Fix | Delete

$upgrade_dev = false;

[363] Fix | Delete

$upgrade_minor = false;

[364] Fix | Delete

$upgrade_major = false;

[365] Fix | Delete

[366] Fix | Delete

/*

[367] Fix | Delete

* The UI is overridden by the `AUTOMATIC_UPDATER_DISABLED` constant

[368] Fix | Delete

* or the `automatic_updater_disabled` filter,

[369] Fix | Delete

* or by `wp_is_file_mod_allowed( 'automatic_updater' )`.

[370] Fix | Delete

* See `WP_Automatic_Updater::is_disabled()`.

[371] Fix | Delete

*/

[372] Fix | Delete

$can_set_update_option = false;

[373] Fix | Delete

}

[374] Fix | Delete

[375] Fix | Delete

// Is the UI overridden by a plugin using the `allow_major_auto_core_updates` filter?

[376] Fix | Delete

if ( has_filter( 'allow_major_auto_core_updates' ) ) {

[377] Fix | Delete

$can_set_update_option = false;

[378] Fix | Delete

}

[379] Fix | Delete

[380] Fix | Delete

/** This filter is documented in wp-admin/includes/class-core-upgrader.php */

[381] Fix | Delete

$upgrade_dev = apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev );

[382] Fix | Delete

/** This filter is documented in wp-admin/includes/class-core-upgrader.php */

[383] Fix | Delete

$upgrade_minor = apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );

[384] Fix | Delete

/** This filter is documented in wp-admin/includes/class-core-upgrader.php */

[385] Fix | Delete

$upgrade_major = apply_filters( 'allow_major_auto_core_updates', $upgrade_major );

[386] Fix | Delete

[387] Fix | Delete

$auto_update_settings = array(

[388] Fix | Delete

'dev' => $upgrade_dev,

[389] Fix | Delete

'minor' => $upgrade_minor,

[390] Fix | Delete

'major' => $upgrade_major,

[391] Fix | Delete

);

[392] Fix | Delete

[393] Fix | Delete

if ( $upgrade_major ) {

[394] Fix | Delete

$wp_version = wp_get_wp_version();

[395] Fix | Delete

$updates = get_core_updates();

[396] Fix | Delete

[397] Fix | Delete

if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {

[398] Fix | Delete

echo '<p>' . wp_get_auto_update_message() . '</p>';

[399] Fix | Delete

}

[400] Fix | Delete

}

[401] Fix | Delete

[402] Fix | Delete

$action_url = self_admin_url( 'update-core.php?action=core-major-auto-updates-settings' );

[403] Fix | Delete

?>

[404] Fix | Delete

[405] Fix | Delete

<p class="auto-update-status">

[406] Fix | Delete

<?php

[407] Fix | Delete

[408] Fix | Delete

if ( $updater->is_vcs_checkout( ABSPATH ) ) {

[409] Fix | Delete

_e( 'This site appears to be under version control. Automatic updates are disabled.' );

[410] Fix | Delete

} elseif ( $upgrade_major ) {

[411] Fix | Delete

_e( 'This site is automatically kept up to date with each new version of WordPress.' );

[412] Fix | Delete

[413] Fix | Delete

if ( $can_set_update_option ) {

[414] Fix | Delete

echo '<br />';

[415] Fix | Delete

printf(

[416] Fix | Delete

'<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-disable">%s</a>',

[417] Fix | Delete

wp_nonce_url( add_query_arg( 'value', 'disable', $action_url ), 'core-major-auto-updates-nonce' ),

[418] Fix | Delete

__( 'Switch to automatic updates for maintenance and security releases only.' )

[419] Fix | Delete

);

[420] Fix | Delete

}

[421] Fix | Delete

} elseif ( $upgrade_minor ) {

[422] Fix | Delete

_e( 'This site is automatically kept up to date with maintenance and security releases of WordPress only.' );

[423] Fix | Delete

[424] Fix | Delete

if ( $can_set_update_option ) {

[425] Fix | Delete

echo '<br />';

[426] Fix | Delete

printf(

[427] Fix | Delete

'<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-enable">%s</a>',

[428] Fix | Delete

wp_nonce_url( add_query_arg( 'value', 'enable', $action_url ), 'core-major-auto-updates-nonce' ),

[429] Fix | Delete

__( 'Enable automatic updates for all new versions of WordPress.' )

[430] Fix | Delete

);

[431] Fix | Delete

}

[432] Fix | Delete

} else {

[433] Fix | Delete

_e( 'This site will not receive automatic updates for new versions of WordPress.' );

[434] Fix | Delete

}

[435] Fix | Delete

?>

[436] Fix | Delete

</p>

[437] Fix | Delete

[438] Fix | Delete

<?php

[439] Fix | Delete

/**

[440] Fix | Delete

* Fires after the major core auto-update settings.

[441] Fix | Delete

*

[442] Fix | Delete

* @since 5.6.0

[443] Fix | Delete

*

[444] Fix | Delete

* @param array $auto_update_settings {

[445] Fix | Delete

* Array of core auto-update settings.

[446] Fix | Delete

*

[447] Fix | Delete

* @type bool $dev Whether to enable automatic updates for development versions.

[448] Fix | Delete

* @type bool $minor Whether to enable minor automatic core updates.

[449] Fix | Delete

* @type bool $major Whether to enable major automatic core updates.

[450] Fix | Delete

* }

[451] Fix | Delete

*/

[452] Fix | Delete

do_action( 'after_core_auto_updates_settings', $auto_update_settings );

[453] Fix | Delete

}

[454] Fix | Delete

[455] Fix | Delete

/**

[456] Fix | Delete

* Display the upgrade plugins form.

[457] Fix | Delete

*

[458] Fix | Delete

* @since 2.9.0

[459] Fix | Delete

*/

[460] Fix | Delete

function list_plugin_updates() {

[461] Fix | Delete

$wp_version = wp_get_wp_version();

[462] Fix | Delete

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

[463] Fix | Delete

[464] Fix | Delete

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

[465] Fix | Delete

$plugins = get_plugin_updates();

[466] Fix | Delete

if ( empty( $plugins ) ) {

[467] Fix | Delete

echo '<h2>' . __( 'Plugins' ) . '</h2>';

[468] Fix | Delete

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

[469] Fix | Delete

return;

[470] Fix | Delete

}

[471] Fix | Delete

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

[472] Fix | Delete

[473] Fix | Delete

$core_updates = get_core_updates();

[474] Fix | Delete

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, '=' ) ) {

[475] Fix | Delete

$core_update_version = false;

[476] Fix | Delete

} else {

[477] Fix | Delete

$core_update_version = $core_updates[0]->current;

[478] Fix | Delete

}

[479] Fix | Delete

[480] Fix | Delete

$plugins_count = count( $plugins );

[481] Fix | Delete

?>

[482] Fix | Delete

<h2>

[483] Fix | Delete

<?php

[484] Fix | Delete

printf(

[485] Fix | Delete

'%s <span class="count">(%d)</span>',

[486] Fix | Delete

__( 'Plugins' ),

[487] Fix | Delete

number_format_i18n( $plugins_count )

[488] Fix | Delete

);

[489] Fix | Delete

?>

[490] Fix | Delete

</h2>

[491] Fix | Delete

<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>

[492] Fix | Delete

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

[493] Fix | Delete

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

[494] Fix | Delete

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

[495] Fix | Delete

<table class="widefat updates-table" id="update-plugins-table">

[496] Fix | Delete

<thead>

[497] Fix | Delete

<tr>

[498] Fix | Delete

<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>

[499] Fix | Delete