Welcome to WP-CLI!
WP-CLI is the official command line tool for interacting with and managing your WordPress sites.
WP_CLI::warning() 
Edit
Display warning message prefixed with "Warning: ".
Usage Usage
WP_CLI::warning( $message )
$message (string) Message to write to STDERR.
@return (null)
@return (null)
Notes Notes
Warning message is written to STDERR.
Use instead of WP_CLI::debug() when script execution should be permitted
to continue.
# `wp plugin activate` skips activation when plugin is network active.
$status = $this->get_status( $plugin->file );
// Network-active is the highest level of activation status
if ( 'active-network' === $status ) {
WP_CLI::warning( "Plugin '{$plugin->name}' is already network active." );
continue;
}
Internal API documentation is generated from the WP-CLI codebase on every release. To suggest improvements, please submit a pull request.
Related Related
- WP_CLI\Utils\format_items() – Render a collection of items as an ASCII table, JSON, CSV, YAML, list of ids, or count.
- WP_CLI\Utils\make_progress_bar() – Create a progress bar to display percent completion of a given operation.
- WP_CLI::colorize() – Colorize a string for output.
- WP_CLI::line() – Display informational message without prefix, and ignore `–quiet`.
- WP_CLI::log() – Display informational message without prefix.
- WP_CLI::success() – Display success message prefixed with "Success: ".
- WP_CLI::debug() – Display debug message prefixed with "Debug: " when `–debug` is used.
- WP_CLI::error() – Display error message prefixed with "Error: " and exit script.
- WP_CLI::halt() – Halt script execution with a specific return code.
- WP_CLI::error_multi_line() – Display a multi-line error message in a red box. Doesn’t exit script.
