WP_CLI::error() Edit

Display error message prefixed with "Error: " and exit script.

Usage Usage

WP_CLI::error( $message, $exit = true )
$message (string|WP_Error) Message to write to STDERR.
$exit (boolean|integer) True defaults to exit(1).
@return (null)

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Notes Notes

Error message is written to STDERR. Defaults to halting script execution
with return code 1.

Use WP_CLI::warning() instead when script execution should be permitted
to continue.

# `wp cache flush` considers flush failure to be a fatal error.
if ( false === wp_cache_flush() ) {
    WP_CLI::error( 'The object cache could not be flushed.' );

Internal APIAPI An API or Application Programming Interface is a software intermediary that allows programs to interact with each other and share data in limited, clearly defined ways. documentation is generated from the WP-CLIWP-CLI WP-CLI is the Command Line Interface for WordPress, used to do administrative and development tasks in a programmatic way. The project page is http://wp-cli.org/ https://make.wordpress.org/cli/ codebase on every releaseRelease A release is the distribution of the final version of an application. A software release may be either public or private and generally constitutes the initial or new generation of a new or upgraded application. A release is preceded by the distribution of alpha and then beta versions of the software.. To suggest improvements, please submit a pull request.

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  • WP_CLI\Utils\make_progress_bar() – Create a progress bar to display percent completion of a given operation.
  • WP_CLI\Utils\format_items() – Render a collection of items as an ASCII table, JSONJSON JSON, or JavaScript Object Notation, is a minimal, readable format for structuring data. It is used primarily to transmit data between a server and web application, as an alternative to XML., CSV, YAML, list of ids, or count.
  • 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::warning() – Display warning message prefixed with "Warning: ".
  • 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.

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