PHP 警告:PHP 启动:无法加载动态库“pdo_mysql.so" [英] PHP Warning: PHP Startup: Unable to load dynamic library 'pdo_mysql.so'

问题描述

我运行了命令:

php -v

输出:

PHP Warning:  PHP Startup: Unable to load dynamic library 'pdo_mysql.so' (tried: /usr/lib/php/20170718/pdo_mysql.so (/usr/lib/php/20170718/pdo_mysql.so: undefined symbol: mysqlnd_allocator), /usr/lib/php/20170718/pdo_mysql.so.so (/usr/lib/php/20170718/pdo_mysql.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

我运行了这个命令:

php -m

输出:

PHP Warning:  PHP Startup: Unable to load dynamic library 'pdo_mysql.so' (tried: /usr/lib/php/20170718/pdo_mysql.so (/usr/lib/php/20170718/pdo_mysql.so: undefined symbol: mysqlnd_allocator), /usr/lib/php/20170718/pdo_mysql.so.so (/usr/lib/php/20170718/pdo_mysql.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
    [PHP Modules]
    bz2
    calendar
    Core
    ctype
    curl
    date
    dom
    exif
    fileinfo
    filter
    ftp
    gd
    gettext
    hash
    iconv
    intl
    json
    libxml
    mbstring
    openssl
    pcntl
    pcre
    PDO
    Phar
    posix
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    Reflection
    session
    shmop
    SimpleXML
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    sodium
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    sysvmsg
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    tokenizer
    wddx
    xml
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    xsl
    Zend OPcache
    zip
    zlib

    [Zend Modules]
    Zend OPcache

php.ini 文件包含这一行:

The php.ini file contains this line:

extension=pdo_mysql

运行这个命令:

sudo apt-get install -y php-pdo-mysql

什么都没有安装，因为它已经安装了.

Nothing is installed, because it is already installed.

运行此命令:

php -i

输出显示:

PDO

PDO support => enabled
PDO drivers =>

不知道为什么会这样或该怎么做.有什么建议吗?

Not sure why this is or what to do. Any suggestions?

推荐答案

我是这样解决的:

sudo apt-get --purge 删除 php-common

sudo apt-get install php-common php-mysql php-cli

现在没有错误，php -m 显示它拥有一切:

Now there is no error and php -m shows it has everything:

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