do_core_upgrade

函数



      do_core_upgrade ( $reinstall = false )

参数

(bool)
$reinstall
Required: 否

Default: false

定义位置

wp-admin/update-core.php
, line 828

引入: 2.7.0

弃用: –

Upgrade WordPress core display.

function do_core_upgrade( $reinstall = false ) {
	global $wp_filesystem;

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

	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' );

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

	// Allow relaxed file ownership writes for User-initiated upgrades when the API specifies
	// that it's safe to do so. This only happens when there are no new files to create.
	$allow_relaxed_file_ownership = ! $reinstall && isset( $update->new_files ) && ! $update->new_files;

	?>
	
	
	';
		return;
	}

	if ( ! WP_Filesystem( $credentials, ABSPATH, $allow_relaxed_file_ownership ) ) {
		// Failed to connect. Error and request again.
		request_filesystem_credentials( $url, '', true, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
		echo '';
		return;
	}

	if ( $wp_filesystem->errors->has_errors() ) {
		foreach ( $wp_filesystem->errors->get_error_messages() as $message ) {
			show_message( $message );
		}
		echo '

‘;
return;
}

if ( $reinstall ) {
$update->response = ‘reinstall’;
}

add_filter( ‘update_feedback’, ‘show_message’ );

$upgrader = new Core_Upgrader();
$result = $upgrader->upgrade(
$update,
array(
‘allow_relaxed_file_ownership’ => $allow_relaxed_file_ownership,
)
);

if ( is_wp_error( $result ) ) {
show_message( $result );
if ( ‘up_to_date’ !== $result->get_error_code() && ‘locked’ !== $result->get_error_code() ) {
show_message( __( ‘Installation failed.’ ) );
}
echo ‘

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