WP_CLI\Utils

locate_wp_config() │ WP-CLI 1.0

Gets path to WordPress configuration.

No Hooks.

Returns

String.

Usage

locate_wp_config();

locate_wp_config() code WP-CLI 2.13.0-alpha

wp-cli/php/utils.php 
function locate_wp_config() {
	static $path;

	if ( null === $path ) {
		$path = false;

		if ( getenv( 'WP_CONFIG_PATH' ) && file_exists( getenv( 'WP_CONFIG_PATH' ) ) ) {
			$path = getenv( 'WP_CONFIG_PATH' );
		} elseif ( file_exists( ABSPATH . 'wp-config.php' ) ) {
			$path = ABSPATH . 'wp-config.php';
		} elseif ( file_exists( dirname( ABSPATH ) . '/wp-config.php' ) && ! file_exists( dirname( ABSPATH ) . '/wp-settings.php' ) ) {
			$path = dirname( ABSPATH ) . '/wp-config.php';
		}

		if ( $path ) {
			$path = realpath( $path );
		}
	}

	return $path;
}