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php7 참고 http://modernpug.github.io/php-the-right-way/
SRS 무엇을? [What]왜? [Why]언제? [When]어떻게? [How]
*튜토리얼http://www.tutorialspoint.com/ *한번 가볼까?http://ikwisdom.com/
http://w3techs.com/