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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"docker php iconv error","articleBody":"docker php iconv error\r\n======================\r\n\r\n### 场景\r\n\r\nPHP docker 镜像，调用 `iconv` 函数报错：`iconv(): Wrong charset, conversion from 'utf-8' to 'GBK' is not allowed`\r\n\r\n基础镜像是：\r\n- Alpine Linux 3.4.6\r\n- PHP 5.6.29\r\n\r\n\r\n### 方案\r\n\r\n`Alpine Linux` 自带的 `libiconv` 库版本太低导致.\r\n\r\n在原有的 `Dockerfile` 新增两条指令：\r\n```\r\nRUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/v3.12/community/ gnu-libiconv=1.15-r2\r\nENV LD_PRELOAD /usr/lib/preloadable_libiconv.so\r\n```\r\n\r\n### 参考\r\n[Proper iconv](https://github.com/docker-library/php/issues/240)\r\n","author":{"url":"https://github.com/codcodog","@type":"Person","name":"codcodog"},"datePublished":"2021-09-23T14:12:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/130/Blog/issues/130"}