PHP
1.如何判断时间格式是否正确:如:我需要 20110603 这样的格式,这个格式是用户自行填写的,如何判断 用户填写的是否符合这个规范,
需要代码借鉴
2.如何判断用户登录权限:
如: 用户登录之后,复制某一个地址路径进行链接,设置成用户不能访问此路径,需要代码借鉴
希望大神们 指点
回复讨论(解决方案)
大神,快来指点....
1.可以用日期控件http://www.my97.net/或正则匹配http://hi.baidu.com/tuqin526/item/f1a0becfae508435459416ab
2.需要有个权限表记录下用户ID和链接,当用户访问这个链接,判断权限表中是否有对应的用户ID
$d = '20110603';if(date('Ymd', strtotime($d)) == $d) echo '格式正确';
if(! $_SERVER['HTTP_REFERER']) die('无权访问');

ThesecrettokeepingaPHP-poweredwebsiterunningsmoothlyunderheavyloadinvolvesseveralkeystrategies:1)ImplementopcodecachingwithOPcachetoreducescriptexecutiontime,2)UsedatabasequerycachingwithRedistolessendatabaseload,3)LeverageCDNslikeCloudflareforservin

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

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

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