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分享一份PHP7的安装笔记

2015年6月11日,PHP官网发布消息,正式公开发布PHP7第一版的alpha版本.

PHP7特性:

PHP 7.0.0 Alpha 1使用新版的ZendEngine引擎,带来了许多新的特性,以下是不完全列表:

(1)性能提升:PHP7比PHP5.6性能提升了两倍。 Improved performance: PHP 7 is up to twice as fast as PHP 5.6

(2)全面一致的64位支持。 Consistent 64-bit support

(3)以前的许多致命错误,现在改成抛出异常。Many fatal errors are now Exceptions

(4)移除了一些老的不在支持的SAPI(服务器端应用编程端口)和扩展。Removal of old and unsupported SAPIs and extensions

(5)新增了空接合操作符。The null coalescing operator (??)

(6)新增加了结合比较运算符。Combined comparison Operator (<=>)

(7)新增加了函数的返回类型声明。Return Type Declarations

(8)新增加了标量类型声明。Scalar Type Declarations

(9)新增加匿名类。Anonymous Classes

php7安装笔记整理

# 安装mcrypt

yum install -y php-mcrypt libmcrypt libmcrypt-devel

# 升级bison

cd /var/soft/ wget http://ftp.gnu.org/gnu/bison/bison-2.6.4.tar.gz tar -xvzf bison-2.6.4.tar.gz  cd bison-2.6.4 ./configure make && make install

# 升级re2c,解决You will need re2c 0.13.4 or later if you want to regenerate PHP

parsers.错误

cd /var/soft/ wget http://sourceforge.net/projects/re2c/files/re2c/0.13.5/re2c-0.13.5.tar.gz/download tar zxf re2c-0.13.5.tar.gz && cd re2c-0.13.5 ./configure make && make install

编译PHP7

# 创建目录 mkdir -p /var/soft/php7 cd /var/soft/php7 # 下载源代码 git clone http://git.php.net/repository/php-src.git cd php-src ./buildconf # 配置参数 ./configure --prefix=/usr/local/php7  --with-config-file-path=/usr/local/php7/etc  --with-mcrypt=/usr/include  --with-mysql=mysqlnd  --with-mysqli=mysqlnd  --with-pdo-mysql=mysqlnd  --with-gd  --with-iconv  --with-zlib  --enable-xml  --enable-bcmath  --enable-shmop  --enable-sysvsem  --enable-inline-optimization  --enable-mbregex  --enable-fpm  --enable-mbstring  --enable-ftp  --enable-gd-native-ttf  --with-openssl  --enable-pcntl  --enable-sockets  --with-xmlrpc  --enable-zip  --enable-soap  --without-pear  --with-gettext  --enable-session  --with-curl  --with-jpeg-dir  --with-freetype-dir  --enable-opcache ################################################################################# # 编译安装php时出现 /encodings.c:101: undefined reference to `libiconv_close' 错误的解决方法 # 在装php时出现以下的错误: # /root/Downloads/php-5.6.5/ext/xmlrpc/libxmlrpc/encodings.c:73: undefined reference to `libiconv_open' # /root/Downloads/php-5.6.5/ext/xmlrpc/libxmlrpc/encodings.c:81: undefined reference to `libiconv' # /root/Downloads/php-5.6.5/ext/xmlrpc/libxmlrpc/encodings.c:101: undefined reference to `libiconv_close' # /root/Downloads/php-5.6.5/ext/xmlrpc/libxmlrpc/encodings.c:101: undefined reference to `libiconv_close' # collect2: error: ld returned 1 exit status # make: *** [sapi/cli/php] Error 1 # 根据php官网描述这是一个bug(https://bugs.php.net/bug.php?id=52611)。在configure以后要手动修改下Makefile文件,找到EXTRA_LIBS 在最后添加 -liconv 即可顺利通过 # (大约在Makefile文件的104) # EXTRA_LIBS = -lcrypt -lz -lresolv -lcrypt -lrt -lmysqlclient -lmcrypt -lltdl -lpng -lz -ljpeg -lcurl -lz -lrt -lm -ldl -lnsl -lxml2 -lz -lm -ldl -lssl -lcrypto -lcurl -lxml2 -lz -lm -ldl -lfreetype -lmysqlclient -lz -lm -lssl -lcrypto -ldl -lxml2 -lz -lm -ldl -lxml2 -lz -lm -ldl -lcrypt -lxml2 -lz -lm -ldl -lxml2 -lz -lm -ldl -lxml2 -lz -lm -ldl -lxml2 -lz -lm -ldl -lssl -lcrypto -lcrypt -liconv ################################################################################# # 编译安装 make && sudo make install

# 配置

cp php.ini-production /usr/local/php7/etc/php.ini cp sapi/fpm/init.d.php-fpm /etc/init.d/php7-fpm chmod +x /etc/init.d/php7-fpm cp /usr/local/php7/etc/php-fpm.conf.default /usr/local/php7/etc/php-fpm.conf cp /usr/local/php7/etc/php-fpm.d/www.conf.default /usr/local/php7/etc/php-fpm.d/www.conf

# 配置opcache

vim /usr/local/php7/etc/php.ini # 加入 zend_extension=/usr/local/php7/lib/php/extensions/no-debug-non-zts-20141001/opcache.so # 启动 /etc/init.d/php7-fpm start

# 查看PHP版本

/usr/local/php7/bin/php -v

结果:

PHP 7.0.0-dev (cli) (built: Mar 3 2015 10:02:26)  Copyright (c) 1997-2015 The PHP Group Zend Engine v3.0.0-dev, Copyright (c) 1998-2015 Zend Technologies   with Zend OPcache v7.0.4-dev, Copyright (c) 1999-2015, by Zend Technologies

推荐学习:《PHP7教程》

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