源码安装PHP7

使用源码编译安装PHP7

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

系统环境：

Mac-mini:~ WangTom$ uname -mnprsDarwin Mac-mini.local 14.3.0 x86_64 i386Mac-mini:~ WangTom$ sw_versProductName:Mac OS XProductVersion:10.10.3BuildVersion:14D136

源码安装PHP7:

PHP7下载地址：https://downloads.php.net/~ab/

$ wget https://downloads.php.net/~ab/php-7.0.0alpha1.tar.bz2$ tar jxf php-7.0.0alpha1.tar.bz2$ cd php-7.0.0alpha1$ ./configure... ...checking size of long... (cached) 8checking size of long long... (cached) 8checking for iconv support... yeschecking for iconv... nochecking for libiconv... noconfigure: error: Please specify the install prefix of iconv with --with-iconv=<DIR>

安装 libiconv (字符编码转换库)
网站地址: http://www.gnu.org/software/libiconv/
当前版本: http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz

$ wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz$ tar zxf libiconv-1.14.tar.gz$ cd libiconv-1.14$ ./configure --prefix=/usr/local/lib/libiconv$ make$ sudo make install

配置参数

$ ./configure --prefix=/usr/local/php7 \--enable-fpm \--with-config-file-path=/usr/local/php7/etc \--with-iconv=/usr/local/lib/libiconv \执行configure配置后，可以看到有如下结果：... ...Thank you for using PHP.config.status: creating php7.specconfig.status: creating main/build-defs.hconfig.status: creating scripts/phpizeconfig.status: creating scripts/man1/phpize.1config.status: creating scripts/php-configconfig.status: creating scripts/man1/php-config.1config.status: creating sapi/cli/php.1config.status: creating sapi/cgi/php-cgi.1config.status: creating ext/phar/phar.1config.status: creating ext/phar/phar.phar.1config.status: creating main/php_config.hconfig.status: executing default commands  WangTomdeMacBook-Pro:php-7.0.0alpha1 wangtom$ 

$ make
$ make test
$ sudo make install

查看PHP7是否安装成功
````
WangTomdeMacBook-Pro:php-7.0.0alpha1 wangtom$ /usr/local/php7/bin/php -v
PHP 7.0.0alpha1 (cli) (built: Jun 20 2015 00:04:19)
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0-dev, Copyright (c) 1998-2015 Zend Technologies

Mac-mini:~ WangTom$ sudo ln -s /usr/local/php7/bin/php /usr/bin/php7

Mac-mini:~ WangTom$ php -v
PHP 5.5.20 (cli) (built: Feb 25 2015 23:30:53)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies

Mac-mini:~ WangTom$ php7 -v
PHP 7.0.0alpha1 (cli) (built: Jun 23 2015 17:24:34)
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0-dev, Copyright (c) 1998-2015 Zend Technologies

Mac-mini:php-fpm.d WangTom$ which php
/usr/bin/php
Mac-mini:php-fpm.d WangTom$ which php7
/usr/bin/php7