Translating WordPress Plugin
1 )
use __(), _() etc with proper textdomain
2 )
add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) );
function load_textdomain() {
load_plugin_textdomain( 'TEXTDOMAIN', false, dirname( plugin_basename(__FILE__) ) . '/languages/' );
}
3)
Name .po .mo like TEXTDOMAIN-LANGATTR.po exp: loginCounter-bn_BD.po