linux怎么安装php

简介

PHP是一种广泛使用的开源通用脚本语言，尤其适合于Web开发并可以嵌入到HTML中，在Linux下安装PHP,可以让我们更好地进行Web开发，本文将详细介绍在Linux下如何安装PHP,包括安装前的准备工作、安装过程中的操作步骤以及安装完成后的配置等内容。

安装前的准备工作

1、确保系统已经更新到最新版本

2、安装依赖库和工具

3、选择合适的PHP版本

4、下载PHP源码包

安装过程

1、安装依赖库和工具

在安装PHP之前，我们需要先安装一些依赖库和工具，这些依赖库和工具可以帮助我们更好地编译和运行PHP代码，以下是一些常用的依赖库和工具：

GCC(GNU编译器集合)

build-essential(包含编译所需的一些基本工具)

libxml2(XML解析库)

libcurl(CURL库，用于处理网络请求)

libssl-dev(SSL开发库)

libjpeg-dev(JPEG开发库)

libpng-dev(PNG开发库)

zlib1g-dev(ZLIB开发库)

在Debian/Ubuntu系统下，可以使用以下命令安装这些依赖库和工具：

sudo apt-get update
sudo apt-get install build-essential libxml2-dev libcurl4-openssl-dev libssl-dev libjpeg62-dev libpng-dev zlib1g-dev

在CentOS/RHEL系统下，可以使用以下命令安装这些依赖库和工具：

sudo yum groupinstall "Development Tools"
sudo yum install libxml2-devel curl-devel openssl-devel jpeg-devel png-devel zlib-devel

2、选择合适的PHP版本

在Linux下，有多个PHP版本可供选择，不同的操作系统和发行版可能支持的PHP版本不同，在安装PHP之前，请确保已经选择了合适的PHP版本，可以通过以下命令查看已安装的PHP版本：

php -v

如果需要安装其他版本的PHP,可以使用相应的包管理器进行安装，在Debian/Ubuntu系统下，可以使用以下命令安装PHP 7.4:

sudo apt-get install php7.4 libapache2-mod-php7.4 php7.4-fpm php7.4-cli php7.4-common php7.4-curl php7.4-gd php7.4-imap php7.4-intl php7.4-json php7.4-mbstring php7.4-mysql php7.4-opcache php7.4-pdo_mysql php7.4-pgsql php7.4-readline php7.4-soap php7.4-xml php7.4-zip unzip curl libxml2 libxslt1.1 zip gd json intl mysql pgsql soap xml zip zlib ctype iconv mbstring pcntl mcrypt opcache pecl curl gmp gettext pcre spl_autoload_register stream uuid tokenizer mcrypt_module mcrypt_bcmath mcrypt_rand mcrypt_rnd mcrypt_encrypt mcrypt_decrypt mcrypt_generic mcrypt_list mcrypt_module_self mcrypt_version mcrypt_meminfo mcrypt_module_exists mcrypt_module_get_parameter_type mcrypt_module_create mcrypt_module_open mcrypt_module_close mcrypt_module_list_algorithms mcrypt_module_get_supported_algorithms mcrypt_module_get_algorithm_name mcrypt_module_get_supported_key_sizes mcrypt_module_get_iv_size mcrypt_module_get_key_size mcrypt_module_set_key mcrypt_module_set_iv mcrypt_module_clear mcrypt_module_destroy mcrypt_module_self test sha1 sha256 hash intl intlconv intltoutf8 convert encoding idn transliterator assert function xmlreader xmlwriter xmlparser xmlutils xmlhash xmlrpc xmlrpcmsg xmlrpcwsseapi xmlrpcserver xmlrpcerrcodes xmlrpcenc xmlrpcint lzfse compression fileinfo hashing random string session apcu memory cache headers request response cookie session status eaccelerator apc opcache memcached exif apc user apc.so xcache xcache.so xcached xcacheext xcachefilecache xcachememcached xcacheredis xcachememcachedredis xcachememcacheredisxcachexdebug apcu ext-standard ext-session ext-curl ext-gd ext-iconv ext-json ext-mbstring ext-pcntl ext-posix ext-regex ext-socket ext-tokenizer ext-xmlreader ext-xmlwriter fileinfo gd gd1 gd2 gd3 gddom gdimage gdmath giflib gmagick gmp gettext intl intlconv intltoutf8 iconv iconv filter input stream output stream socket stream buffer stream filter stream resource stream wrapper text stream xmlstream xmlstreamwrapper xmlwriter xmlwriter1 xmlwriter2 xmlwriter3 xmlwritercore xmlwriterbuffer xmlwriterstream buffer bufferevent event eventhttp eventssl eventtcp eventudp eaccelerator eacceleratorhandler eacceleratorpool eacceleratorthread eacceleratorversion eio eiocallback eioevent eioeventloop eioeventloopop eiopreadvise eioread eiowrite eiowritev exec execve execle execlg execlp execvp execvpe exit expn fflush getenv getrlimit getmypid getpwuid getpwnam getsid getsockname getsockopt gettimeofday getuid grant hosthostent hostofmacro isalnum isascii iscntrl isdigit isgraph islower isprint ispunct isspace isupper join lstat list locale localeconv localegen localenames ln link loca locale loccat locctl locdump lock logv logw makemailcall mail parse ncurses net netcat netgroup netware network networkcard networkinterface networkserver newnegotiation nlist nl_langinfo open openlog outout putputline qpgrp read readdir readlink realpath rewinddir rewindstream rewindptream rewindptream64 rmdir scandir seek setlocale setnetent setns cd chmodchown close connection connect define die dumper echo endexec exit exitstatus exp print proc procclose procdomain procexitproclocal proclocale procnoneofproto procself proctitle proctrans execute execve filechmod filechown filecopy filedelete fileexists filegroupfilegrpfilenofilenoexec fileperms fileperm shellexec shmat semctl semget semop semtimedwait send semctl semget semop semtimedwait sendsigset signal pipe popd pushd qx qword read qword read qwreg read reg write wct wait waitpid write wctwrite xor xrange xsprintf y2j zlib zip unlink umask uname urandom uniq unlink unlinkat utime vfprintf vi vprintf vsprintf wait waitpid write wctwrite xor xrange xsprintf y2j zlib zip unlink umask uname urandom uniq unlinkunlinkat utime vfprintf vi vprintf vsprintf waitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfvivprintfvsprintfwaitwaitpidwritewctwritexorxrangexsprintfy2jzlibzipunlinkumaskunameurandomuniqunlinkunlinkatutimevfprintfviv