# cd /usr/src
# tar xvzf apache_1.3.6.tar.gz (产生apache_1.3.6目录)
# tar xvzf php-3.0.8.tar.gz (产生php-3.0.8目录)
# cd apache_1.3.6
# ./configure --prefix=/usr/local/apache (把Apache的安装目录定为 /usr/local/apache)
# cd php-3.0.8
# ./configure --with-mysql=/usr/local/mysql \
--with-apache=../apache_1.3.6 \
--enable-track-vars (配置支持MySQL、作为Apache功能模块、跟踪变量有效)
# make; make install
在上面configure的参数中,指定使PHP支持MySQL并给出MySQL的安装路径。
然后,编辑Apache配置文件:
# cd /usr/local/apache/conf
# vi httpd.conf
找到"AddType application/x-httpd-php3 .php3",去掉该行前面的#号注释标记。
当然也可加一行AddType application/x-httpd-php3 .asp这样用FrontPage编辑会方便一点。
然后把php.ini文件拷到/usr/local/lib/目录下:
# cd ../php-3.0.8
# cp php3.ini-dist /usr/local/lib/php3.ini
你可以修改该配置文件,以定制PHP3的工作细节,例如:
upload_max_filesize = 2097152 ; 2 Meg default limit on file uploads
以限定上载文件数据量的最大值为2兆字节。

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You should care about DependencyInjection(DI) because it makes your code clearer and easier to maintain. 1) DI makes it more modular by decoupling classes, 2) improves the convenience of testing and code flexibility, 3) Use DI containers to manage complex dependencies, but pay attention to performance impact and circular dependencies, 4) The best practice is to rely on abstract interfaces to achieve loose coupling.

Yes,optimizingaPHPapplicationispossibleandessential.1)ImplementcachingusingAPCutoreducedatabaseload.2)Optimizedatabaseswithindexing,efficientqueries,andconnectionpooling.3)Enhancecodewithbuilt-infunctions,avoidingglobalvariables,andusingopcodecaching

ThekeystrategiestosignificantlyboostPHPapplicationperformanceare:1)UseopcodecachinglikeOPcachetoreduceexecutiontime,2)Optimizedatabaseinteractionswithpreparedstatementsandproperindexing,3)ConfigurewebserverslikeNginxwithPHP-FPMforbetterperformance,4)

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

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