找到了。任何有类似问题的人都可以将此代码添加到他们的站点插件或主题函数中。php

function convert_numbers_to_arabic( $string ) {
    $arabic_numbers = array(\'۰\', \'۱\', \'۲\', \'۳\', \'٤\', \'۵\', \'٦\', \'۷\', \'۸\', \'۹\', \'.\');
    $english_numbers = array(\'0\', \'1\', \'2\', \'3\', \'4\', \'5\', \'6\', \'7\', \'8\', \'9\', \'.\');
    return str_replace($english_numbers, $arabic_numbers, $string);
}

add_filter( \'get_the_time\', \'wpse_convert_arabic_time\' );
add_filter( \'get_the_date\', \'wpse_convert_arabic_time\' );

function wpse_convert_arabic_time( $the_time ) {
    if ( get_bloginfo( \'language\' ) == \'ar\' ) { 
        $the_time = convert_numbers_to_arabic( $the_time );
    }
    return $the_time;
}