Export to CSV - WP CLI

gistfile1.txt

/**
	 * Export users to a CSV file.
	 *
	 * ## OPTIONS
	 *
	 * <file>
	 * : The CSV file to export users to.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user-ipc export-csv /path/to/users.csv
	 *
	 *     Sample users.csv file output:
	 *
	 *     user_login,user_email,display_name,role
	 *     bobjones,bobjones@domain.com,Bob Jones,contributor
	 *     newuser1,newuser1@domain.com,New User,author
	 *     existinguser,existinguser@domain.com,Existing User,administrator
	 
	 * @synopsis <file> [--role=<role>] [--number=<number>]
	 * 
	 * @subcommand export-csv
	 */
	public function export_csv( $args, $assoc_args ) {
	
		$defaults = array(
				'role'         => '',
				'number'       => ''
		);
		
		$assoc_args = wp_parse_args( $assoc_args, $defaults );
		
		$blog_users = get_users($assoc_args);
	
		$filename = $args[0];
	
		if ( file_exists( $filename ) ) {
			WP_CLI::warning( sprintf( "File alredy exists. The following file will be overwritten  %s", $filename ) );
		}
		
		$results = array();
		$results[] = array('user_login','user_email','display_name','role');
		foreach ($blog_users as $user) {
			$results[] = array($user->user_login, $user->user_email, $user->display_name, $user->roles[0]);
		}
		
		$fp = fopen($filename, 'w+');
		
		foreach ($results as $fields) {
			fputcsv($fp, $fields);
		}
		
		fclose($fp);
		
		WP_CLI::success( sprintf( "File created: %s", $filename ) );
		
	}