在这个 php 配置中是否启用了 mysqli 扩展?

问题描述

我有一个用 php 设计的网站，带有 mysqli(mysql - 改进)扩展.phpinfo() 页面显示:

I've a website designed in php with mysqli (mysql - improved) extension. The phpinfo() page shows this:

./configure --disable-fileinfo --disable-phar --enable-bcmath --enable-calendar --enable-ftp --enable-gd-native-ttf --enable-libxml --enable-magic-quotes --enable-mbstring --enable-pdo=shared --enable-soap --enable-sockets --enable-wddx --enable-zend-multibyte --enable-zip --prefix=/usr --with-bz2 --with-curl=/opt/curlssl/--with-curlwrappers --with-freetype-dir=/usr --with-gd --with-imap=/opt/php_with_imap_client/--with-imap-ssl=/usr --with-jpeg-dir=/usr --with-kerberos --with-libdir=lib64 --with-libexpat-dir=/usr --with-libxml-dir=/opt/xml2 --with-libxml-dir=/opt/xml2/--with-mcrypt=/opt/libmcrypt/--with-mysql=/usr --with-mysql-sock=/var/lib/mysql/mysql.sock --with-mysqli=/usr/bin/mysql_config --with-openssl=/usr --with-openssl-dir=/usr --with-pcre-regex=/opt/pcre --with-pdo-mysql=shared --with-pdo-sqlite=shared --with-pic --with-png-dir=/usr --with-pspell --with-sqlite=shared --with-tidy=/opt/tidy/--with-xmlrpc --with-xpm-dir=/usr --with-xsl=/opt/xslt/--with-zlib --with-zlib-目录=/usr

./configure --disable-fileinfo --disable-phar --enable-bcmath --enable-calendar --enable-ftp --enable-gd-native-ttf --enable-libxml --enable-magic-quotes --enable-mbstring --enable-pdo=shared --enable-soap --enable-sockets --enable-wddx --enable-zend-multibyte --enable-zip --prefix=/usr --with-bz2 --with-curl=/opt/curlssl/ --with-curlwrappers --with-freetype-dir=/usr --with-gd --with-imap=/opt/php_with_imap_client/ --with-imap-ssl=/usr --with-jpeg-dir=/usr --with-kerberos --with-libdir=lib64 --with-libexpat-dir=/usr --with-libxml-dir=/opt/xml2 --with-libxml-dir=/opt/xml2/ --with-mcrypt=/opt/libmcrypt/ --with-mysql=/usr --with-mysql-sock=/var/lib/mysql/mysql.sock --with-mysqli=/usr/bin/mysql_config --with-openssl=/usr --with-openssl-dir=/usr --with-pcre-regex=/opt/pcre --with-pdo-mysql=shared --with-pdo-sqlite=shared --with-pic --with-png-dir=/usr --with-pspell --with-sqlite=shared --with-tidy=/opt/tidy/ --with-xmlrpc --with-xpm-dir=/usr --with-xsl=/opt/xslt/ --with-zlib --with-zlib-dir=/usr

这是否意味着在此配置中启用了 mysqli 扩展?

Does this mean that mysqli extension is enabled in this configuration?

推荐答案

是否应该启用 mysqli 扩展然后在同一个 phpinfo 页面上一个MysqlISupport | enabled" 表标题应出现.寻找那个:

Should the mysqli extension be enabled then on the very same phpinfo page a "MysqlI Support | enabled" table header should appear. Look for that:

如果你想在脚本中找到，寻找一个特定于 mysqli 的函数，比如 mysqli_connect() 然后检查它是否存在:

If you want to find out in a script, look for a function specific for mysqli like mysqli_connect() and than check if it exists:

var_dump(function_exists('mysqli_connect'));

如果输出 FALSE，则它不存在，并且您很可能无法使用该模块.

If this outputs FALSE, then it does not exists and it's highly likely that you can not use the module.

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