WP_CLI

Runner::get_global_config_path │ public │ WP-CLI 1.0

Get the path to the global configuration YAML file.

Method of the class: Runner{}

No Hooks.

Returns

String|false.

Usage

$Runner = new Runner();
$Runner->get_global_config_path( $create_config_file );
$create_config_file(true|false)
If a config file doesn't exist, should it be created? Defaults to false.
Default: false

Runner::get_global_config_path() code WP-CLI 2.13.0-alpha

wp-cli/php/WP_CLI/Runner.php 
public function get_global_config_path( $create_config_file = false ) {

	if ( getenv( 'WP_CLI_CONFIG_PATH' ) ) {
		$config_path                    = getenv( 'WP_CLI_CONFIG_PATH' );
		$this->global_config_path_debug = 'Using global config from WP_CLI_CONFIG_PATH env var: ' . $config_path;
	} else {
		$config_path                    = Utils\get_home_dir() . '/.wp-cli/config.yml';
		$this->global_config_path_debug = 'Using default global config: ' . $config_path;
	}

	// If global config doesn't exist create one.
	if ( true === $create_config_file && ! file_exists( $config_path ) ) {
		$this->global_config_path_debug = "Default global config doesn't exist, creating one in {$config_path}";

		$dir = dirname( $config_path );

		if ( ! is_dir( $dir ) ) {
			mkdir( $dir, 0755, true );
		}

		touch( $config_path );

		if ( file_exists( $config_path ) ) {
			WP_CLI::debug( "Default global config does not exist, creating one in $config_path" );
		}
	}

	if ( is_readable( $config_path ) ) {
		return $config_path;
	}

	$this->global_config_path_debug = 'No readable global config found';

	return false;
}