194 lines
4.1 KiB
PHP
Executable File
194 lines
4.1 KiB
PHP
Executable File
<?php
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/**
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* @author 友人a丶
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* @date ${date}
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* 文章图片本地化
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*/
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/**
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* 保存文章时触发的钩子
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*
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* @param $post_id integer 文章ID
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* @param bool $flag 是否需要记录日志
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*
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* */
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function nicen_make_when_save_post( $post_id, $flag = true ) {
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global $nicen_Post_ID; //全局变量，正在操作的文章ID
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$nicen_Post_ID = $post_id;
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/* 移除钩子，防止重复操作 */
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remove_action( 'edit_post', 'nicen_make_when_save_post' );
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$log = ""; //保存日志
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/*判断是否启用了本地化图片的功能*/
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if ( nicen_make_config( 'nicen_make_plugin_save' ) || ! $flag ) {
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//获取文章对象
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$post = get_post( $post_id );
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if ( empty( $post ) ) {
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return;
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}
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//匹配所有图片
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preg_match_all( '/<img(?:.*?)src="(.*?)"(?:.*?)\/?>/', $post->post_content, $match );
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/*如果没有图片*/
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if ( empty( $match ) ) {
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return;
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}
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$images = array_unique( $match[1] ); //去重
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$site_url = site_url(); //站点url
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/**
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* 循环所有图片，判断是否需要本地化
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* */
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$success = 0;
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$failed = 0; //成功和失败的数量
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$content = $post->post_content;
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foreach ( $images as $value ) {
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/**
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* 如果没有http
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* 代表是相对路径
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* */
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if ( strpos( $value, 'http' ) === false ) {
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continue;
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}
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/**
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* 如果图片不包含本地域名
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* 如果没有重复的包含
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* 代表是外部图片需要进行本地化
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* */
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if ( strpos( $value, $site_url ) === false ) {
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$res = ( Nicen_local::getInstance() )->localImage( $value, false );//下载图片
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/*判断下载结果*/
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if ( $res['code'] > 0 ) {
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$content = str_replace( $value, $res['result'], $content );
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//更新文章
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wp_update_post( [
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'ID' => $post_id,
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'post_content' => $content
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], false, false );
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$success ++; //加1
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} else {
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$failed ++; //加1
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}
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}
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}
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/*记录到日志*/
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if ( $success || $failed ) {
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$log = '上一次保存文章后，本地化图片成功' . $success . "张，失败" . $failed . '张！';
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}
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}
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/**
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* 自动添加alt
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* */
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if ( nicen_make_config( 'nicen_make_plugin_alt' ) ) {
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//获取文章对象
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$post = get_post( $post_id );
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/*文章是否存在*/
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if ( empty( $post ) ) {
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return;
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}
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//匹配所有图片
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preg_match_all( '/<img(?:.*?)\/>/', $post->post_content, $match );
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/*如果没有图片*/
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if ( empty( $match ) ) {
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return;
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}
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$success = 0; //成功和失败的数量
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$content = $post->post_content;
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/* 获取要替换的内容 */
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$replace = nicen_make_config( 'nicen_make_plugin_alt_type' ) == 1 ? $post->post_title : nicen_make_getCategory( $post->ID );
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foreach ( $match[0] as $value ) {
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/**
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* 如果没有alt
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* 代表是相对路径
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* */
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if ( strpos( $value, 'alt' ) === false ) {
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$content = str_replace( $value, str_replace( '<img', '<img alt="' . $replace . '"', $value ), $content );
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//更新文章
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wp_update_post( [
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'ID' => $post_id,
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'post_content' => $content
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], false, false );
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$success ++; //加1
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} else {
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/**
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* 判断alt是否为空
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* */
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if ( preg_match( "/(?:alt='')|(?:alt=\"\")/", $value ) ) {
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$content = str_replace( $value, preg_replace( "/(?:alt='')|(?:alt=\"\")/", 'alt="' . $replace . '"', $value ), $content );
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//更新文章
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wp_update_post( [
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'ID' => $post_id,
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'post_content' => $content
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], false, false );
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$success ++; //加1
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}
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}
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}
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/*记录到日志*/
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if ( $success ) {
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if ( empty( $log ) ) {
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$log = '上一次保存文章后，自动添加alt属性' . $success . '个！';
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} else {
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$log = $log . '自动添加alt属性' . $success . '个！';
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}
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}
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}
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/**
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* 插入日志
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* */
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if ( $flag ) {
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update_option( 'nicen_make_plugin_save_result', $log );
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} else {
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return $log;
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}
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}
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add_action( 'edit_post', 'nicen_make_when_save_post' );
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