我正在尝试在 Ubuntu 18.4 上安装 Php7.3，我使用的是 Apache Server(2.4)。我的 php.ini 文件未在位置 /etc/php/7.3/apache2/php.ini 处设置。我按照php.ini 不存在但它对我不起作用。
我使用下面提到的命令
Sudo apt-get install php7.3 安装了它。
我甚至尝试重新安装 php。sudo
apt-get remove –purge php*
sudo apt-get purge php*
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get remove dbconfig-php sudo apt-get dist-upgrade
sudo apt-get install php7.3
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:libapache2-mod-php7.3 libpcre2-8-0 php-common php7.3-cli php7.3-common php7.3-json php7.3-opcache php7.3-readline
Suggested packages:
php-pear
The following NEW packages will be installed:
libapache2-mod-php7.3 libpcre2-8-0 php-common php7.3 php7.3-cli php7.3-common php7.3-json php7.3-opcache php7.3-readline
0 upgraded, 9 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/4,131 kB of archives.
After this operation, 17.8 MB of additional disk space will be used.
N: Ignoring file 'google-chrome' in directory '/etc/apt/sources.list.d/' as it has no filename extension
Do you want to continue? [Y/n] Y
N: Ignoring file 'google-chrome' in directory '/etc/apt/sources.list.d/' as it has no filename extension
(Reading database ... 176461 files and directories currently installed.)
Preparing to unpack .../0-php-common_2%3a76+ubuntu18.04.1+deb.sury.org+9_all.deb ...
Unpacking php-common (2:76+ubuntu18.04.1+deb.sury.org+9) ...
Preparing to unpack .../1-php7.3-common_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking php7.3-common (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Preparing to unpack .../2-php7.3-json_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking php7.3-json (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Preparing to unpack .../3-php7.3-opcache_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking php7.3-opcache (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Preparing to unpack .../4-php7.3-readline_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking php7.3-readline (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Selecting previously unselected package libpcre2-8-0:amd64.
Preparing to unpack .../5-libpcre2-8-0_10.35-4+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking libpcre2-8-0:amd64 (10.35-4+ubuntu18.04.1+deb.sury.org+1) ...
Preparing to unpack .../6-php7.3-cli_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking php7.3-cli (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Preparing to unpack .../7-libapache2-mod-php7.3_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking libapache2-mod-php7.3 (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Selecting previously unselected package php7.3.
Preparing to unpack .../8-php7.3_7.3.22-1+ubuntu18.04.1+deb.sury.org+1_all.deb ...
Unpacking php7.3 (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Setting up php-common (2:76+ubuntu18.04.1+deb.sury.org+9) ...
Setting up libpcre2-8-0:amd64 (10.35-4+ubuntu18.04.1+deb.sury.org+1) ...
Setting up php7.3-common (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Not replacing deleted config file /etc/php/7.3/mods-available/calendar.ini
WARNING: Module calendar ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module calendar ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/ctype.ini
WARNING: Module ctype ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module ctype ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/exif.ini
WARNING: Module exif ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module exif ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/fileinfo.ini
WARNING: Module fileinfo ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module fileinfo ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/ftp.ini
WARNING: Module ftp ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module ftp ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/gettext.ini
WARNING: Module gettext ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module gettext ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/iconv.ini
WARNING: Module iconv ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module iconv ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/pdo.ini
WARNING: Module pdo ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module pdo ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/phar.ini
WARNING: Module phar ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module phar ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/posix.ini
WARNING: Module posix ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module posix ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/shmop.ini
WARNING: Module shmop ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module shmop ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/sockets.ini
WARNING: Module sockets ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module sockets ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/sysvmsg.ini
WARNING: Module sysvmsg ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module sysvmsg ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/sysvsem.ini
WARNING: Module sysvsem ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module sysvsem ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/sysvshm.ini
WARNING: Module sysvshm ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module sysvshm ini file doesn't exist under /etc/php/7.3/mods-available
Not replacing deleted config file /etc/php/7.3/mods-available/tokenizer.ini
WARNING: Module tokenizer ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module tokenizer ini file doesn't exist under /etc/php/7.3/mods-available
Setting up php7.3-opcache (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Not replacing deleted config file /etc/php/7.3/mods-available/opcache.ini
WARNING: Module opcache ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module opcache ini file doesn't exist under /etc/php/7.3/mods-available
Setting up php7.3-readline (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Not replacing deleted config file /etc/php/7.3/mods-available/readline.ini
WARNING: Module readline ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module readline ini file doesn't exist under /etc/php/7.3/mods-available
Setting up php7.3-json (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Not replacing deleted config file /etc/php/7.3/mods-available/json.ini
WARNING: Module json ini file doesn't exist under /etc/php/7.3/mods-available
WARNING: Module json ini file doesn't exist under /etc/php/7.3/mods-available
Setting up php7.3-cli (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
update-alternatives: using /usr/bin/php7.3 to provide /usr/bin/php (php) in auto mode
update-alternatives: using /usr/bin/phar7.3 to provide /usr/bin/phar (phar) in auto mode
update-alternatives: using /usr/bin/phar.phar7.3 to provide /usr/bin/phar.phar (phar.phar) in auto mode
Not replacing deleted config file /etc/php/7.3/cli/php.ini
Setting up libapache2-mod-php7.3 (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Not replacing deleted config file /etc/php/7.3/apache2/php.ini
apache2_invoke: Enable module php7.3
Setting up php7.3 (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for libc-bin (2.27-3ubuntu1.2) ...
Processing triggers for php7.3-cli (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
Processing triggers for libapache2-mod-php7.3 (7.3.22-1+ubuntu18.04.1+deb.sury.org+1) ...
答案1
Ubuntu 18.04 附带 PHP 7.2，因此您的版本 7.3 来自附加 PPA，您的日志中表明您正在使用 sury.org 版本。
libapache2-mod-php7.3 是连接 PHP 和 Apache 的软件包，如果两者都安装了，您会自动获得它。但您可以独立于 ubuntu 卸载和清除它，这样它就会忘记安装时的状态。重点是 APT 试图不干扰用户的操作，这有时很好，有时很烦人
apt remove libapache2-mod-php7.3
apt purge libapache2-mod-php7.3
apt install libapache2-mod-php7.3
您可能可以将这些步骤合并为一个命令，但我更喜欢原子操作，这样我就可以理解每个状态。您现在应该看到一行说明
Creating config file /etc/php/7.3/apache2/php.ini with new version
Ubuntu 20.04 是一个较新的 LTS 版本，默认搭载 PHP 7.4。dist-upgrade 命令用于升级版本，但我认为现在不再是这样了。apt-get 已被 apt 取代
答案2
（与我的另一个答案重复：https://askubuntu.com/a/1364688/720219）
清除软件包是不够的：（ucf更新配置文件）保护文件。避免这种情况的一种方法是强制执行默认操作。我在选项中ucf运气不佳，所以我阅读了文档。confmissdpkgucf
- 覆盖默认
ucf操作，如果配置不存在则创建配置：
export UCF_FORCE_CONFFMISS=1
- 清除包：
apt-get purge libapache2-mod-php7.3
- 重新安装包：
apt-get install libapache2-mod-php7.3
- 恢复
ucf默认操作：
export UCF_FORCE_CONFFMISS=
请注意，对于 PHP 包，您有两个包：一个带有版本 ( php7.3-zip)，一个不带有版本 ( php-zip)。您应该安装不带版本 ( php-zip) 的包，以便将来升级。但如果您需要替换配置文件（如这里提出的主要问题），您应该清除两个包，然后仅安装不带版本的包。
旁注：您可以使用UCF_FORCE_CONFFNEW=1它来删除您的配置文件，但请谨慎使用。