Background: 我正在尝试使用WordPress多站点功能作为多语言站点，因为每个博客都是不同的语言。我有代码可以自动为我在其他博客上的内容生成翻译。文章通过字母数字ID进行关联，以识别数据库中的翻译。
This code generates the alphanumeric ID:
function bZive_generate_AlphanumericID( $post_id ) {
$postTypes = array(\'profile\', \'article\', \'attachment\');
$postType = get_post_type( $post_id );
if (in_array( $postType, $postTypes ) and empty( get_post_meta( $post_id, \'alphanumeric_id\', true ) ) ) {
$characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ\'$§%&!";
$charactersLength = strlen($characters);
$randomString = \'\';
for ($i = 0; $i < 13; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
/**
* Now check here if the string is in the database
*/
$args = array(
\'post_type\' => array(
$postTypes
),
\'meta_query\' => array(
array(
\'meta_key\' => \'alphanumeric_id\'
)
)
);
$posts = new WP_Query( $args );
$meta_values = \'\';
if( $posts->have_posts() ) {
while( $posts->have_posts() ) {
$posts->the_post();
$meta_values[] = get_post_meta( get_the_ID(), \'alphanumeric_id\', true );
}
}
wp_reset_postdata();
if (in_array( $randomString, $meta_values )) {
// "Match found"
return generate_AlphanumericID;
} else {
// "Match not found"
add_post_meta($post_id, \'alphanumeric_id\', $randomString);
return $randomString;
}
}
}
add_action(\'wp_insert_post\', \'bZive_generate_AlphanumericID\', 10, 3);
add_action(\'add_attachment\', \'bZive_generate_AlphanumericID\', 10, 1);
现在，我正在尝试对上载执行相同的操作-您可能会看到，无论是否添加附件，我都会生成此ID。但是，如果上载的文件上载到具有此ID的文件夹中，那就太好了。要有这样的上载结构：
概述/public_html/upload/%alphanumeric_id%/%file_type%/%blog_ID% -filename.ext/public_html/upload/gpB12n!nkV358/image/6/Gibraltar-map.jpg
About the blog_ID:
/**
* by default each file has this meta value
*/
add_post_meta($post_id, \'global_supported_language\', \'true\');
/**
* And the blog_id were the file was uploaded to
*/
add_post_meta($post_id, \'default_uploaded_language\', \'6\');
About the file_type:
/**
* Just the file type like...
*/
if(in_array( $upload_ext , array(\'jpg\', \'png\', \'gif\', \'svg\'); )){
$file_type = \'image\';
}
注：
found this on StackExchange 但还没弄明白。
最合适的回答,由SO网友:Game Unity 整理而成
好的，这是我现在的解决方案-但是如何将生成的字母数字\\u id添加为add_post_meta($post_id, \'alphanumeric_id\', $randomString); 到相关附件？
/*===================================================================================*/
/* function change the upload for multi-lang
/*==================================================================================*/
function bZive_handle_upload_prefilter( $file ) {
add_filter(\'upload_dir\', \'bZive_custom_upload_dir\');
return $file;
}
function bZive_handle_upload( $fileinfo ){
remove_filter(\'upload_dir\', \'bZive_custom_upload_dir\');
return $fileinfo;
}
/**
* Force all network uploads to reside in "/upload", and by-pass
* "files" URL rewrite for site-specific directories.
*
* @link http://wordpress.stackexchange.com/q/147750/1685
*
* @param array $dirs
* @return array
*/
function bZive_upload_dir( $dirs ){
$dirs[\'baseurl\'] = network_site_url( \'/upload\' );
$dirs[\'basedir\'] = ABSPATH . \'/upload\';
$dirs[\'path\'] = $dirs[\'basedir\'] . $dirs[\'subdir\'];
$dirs[\'url\'] = $dirs[\'baseurl\'] . $dirs[\'subdir\'];
return $dirs;
}
add_filter( \'upload_dir\', \'bZive_upload_dir\' );
function bZive_custom_upload_dir($path){
/*
* Save uploads in alphanumeric_id based folders
*
*/
$postTypes = array(\'profile\', \'article\', \'attachment\');
$postType = get_post_type( $post_id );
$characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ\'$§%&!";
$charactersLength = strlen($characters);
$randomString = \'\';
for ($i = 0; $i < 15; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
/*
* Now check here if the string is in the database
*/
$args = array(
\'post_type\' => array(
$postTypes
),
\'meta_query\' => array(
array(
\'meta_key\' => \'alphanumeric_id\'
)
)
);
$posts = new WP_Query( $args );
$meta_values = \'\';
if( $posts->have_posts() ) {
while( $posts->have_posts() ) {
$posts->the_post();
$meta_values[] = get_post_meta( get_the_ID(), \'alphanumeric_id\', true );
}
}
wp_reset_postdata();
if (in_array( $randomString, $meta_values )) {
// "Match found"
return bZive_custom_upload_dir;
} else {
// "Match not found"
$customdir = \'/\' . $randomString;
}
/*
* Save uploads in blog_id based folders
*
*/
$customdir .= \'/\' . get_current_blog_id();
$path[\'path\'] = str_replace($path[\'subdir\'], \'\', $path[\'path\']); //remove default subdir (year/month)
$path[\'url\'] = str_replace($path[\'subdir\'], \'\', $path[\'url\']);
$path[\'subdir\'] = $customdir;
$path[\'path\'] .= $customdir;
$path[\'url\'] .= $customdir;
return $path;
}
add_filter(\'wp_handle_upload_prefilter\', \'bZive_handle_upload_prefilter\');
add_filter(\'wp_handle_upload\', \'bZive_handle_upload\');
好的，我有这样的身份证
function bZive_generate_AlphanumericID( $post_id ) {
$postTypes = array(\'profile\', \'article\');
$postType = get_post_type( $post_id );
$randomString = \'\';
if ( $postType == \'attachment\' and empty( get_post_meta( $post_id, \'alphanumeric_id\', true ) ) ) {
$urlstring = wp_get_attachment_url( $post_id );
$segments = explode(\'/\', trim(parse_url($urlstring, PHP_URL_PATH), \'/\'));
$numSegments = count($segments);
$randomString = $segments[1];
add_post_meta($post_id, \'alphanumeric_id\', $randomString);
return $randomString;
}
}
add_action(\'wp_insert_post\', \'bZive_generate_AlphanumericID\', 10, 3);
add_action(\'add_attachment\', \'bZive_generate_AlphanumericID\', 10, 1);
