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if ( 'en_US' === $update->locale && 'en_US' === get_locale() ) {
$version_string = $update->current;
} elseif ( 'en_US' === $update->locale && $update->packages->partial && $wp_version == $update->partial_version ) {
$updates = get_core_updates();
if ( $updates && 1 === count( $updates ) ) {
// If the only available update is a partial builds, it doesn't need a language-specific version string.
$version_string = $update->current;
}
} elseif ( 'en_US' === $update->locale && 'en_US' !== get_locale() ) {
$version_string = sprintf( '%s–%s', $update->current, $update->locale );
}
$current = false;
if ( ! isset( $update->response ) || 'latest' === $update->response ) {
$current = true;
}
$message = '';
$form_action = 'update-core.php?action=do-core-upgrade';
$php_version = phpversion();
$mysql_version = $wpdb->db_version();
$show_buttons = true;
// Nightly build versions have two hyphens and a commit number.
if ( preg_match( '/-\w+-\d+/', $update->current ) ) {
// Retrieve the major version number.
preg_match( '/^\d+.\d+/', $update->current, $update_major );
/* translators: %s: WordPress version. */
$submit = sprintf( __( 'Update to latest %s nightly' ), $update_major[0] );
} else {
/* translators: %s: WordPress version. */
$submit = sprintf( __( 'Update to version %s' ), $version_string );
}
if ( 'development' === $update->response ) {
$message = __( 'You can update to the latest nightly build manually:' );
} else {
if ( $current ) {
/* translators: %s: WordPress version. */
$submit = sprintf( __( 'Re-install version %s' ), $version_string );
$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, '>=' );
}
$version_url = sprintf(
/* translators: %s: WordPress version. */
esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
sanitize_title( $update->current )
);
$php_update_message = '' . sprintf(
/* translators: %s: URL to Update PHP page. */
__( 'Learn more about updating PHP.' ),
esc_url( wp_get_update_php_url() )
);
$annotation = wp_get_update_php_annotation();
if ( $annotation ) {
$php_update_message .= '
' . $annotation . '';
}
if ( ! $mysql_compat && ! $php_compat ) {
$message = sprintf(
/* 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. */
__( 'You cannot update because