php有哪些常用的优秀开源项目呢？新手不懂，前辈们来说说
就像织梦cms（听别人说的，还不了解）之类的，哪些是必须要掌握的啊？
还有应该如何去学习这些开源项目呢？？
------解决方案--------------------
搞个dede源码看一遍，先会用,边改边用，多思考，能对模板内髓了解多一点
要说掌握，基础的html/js你得会,php也得会点，遇到不明白的就查php手册
PHP手册：http://php.chinaunix.net/manual/zh/
DEDECMS手册:http://tools.dedecms.com/uploads/docs/dede_tpl/index.htm
------解决方案--------------------
wordpress算是最好的了吧
------解决方案--------------------
joomal drupal wordpress dedecms ecshop magento 这几个用得比较多。其实还有很多。
------解决方案--------------------
很多啦...
框架...CMS...电子商务...BLOG...论坛.....每类都有个几十个相对流行的吧..
看你想做哪一类...
学习的话,随便那个都行
一般来说,看比较新的,比较流行的
------解决方案--------------------
不少开源的东西都有二次开发文档。不过你最好已经具备了一定的基础 要不然等你熟悉了二次开发又回过头来弄原生的时候你会很难受。
先别深入到那么深的地方吧，看看框架，看看流程，看看思路 ...
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