php获取本月本周或者下月下周的开始时间结束时间

首页

后端开发

php教程

php获取本月本周或者下月下周的开始时间结束时间_PHP教程

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jul 20, 2016 am 11:15 AM

dategetphptime开始时间本月的结束获取

<span <span <?php<br />$now_time</span> = <span time</span><span ();
</span><span $date</span>=<span date</span>("Y-m-d",<span $now_time</span><span );
</span><span function</span> get_date(<span $date</span>,<span $t</span>='d',<span $n</span>=0<span )
{
    </span><span if</span>(<span $t</span>=='d'<span ){
       </span><span $firstday</span> = <span date</span>('Y-m-d 00:00:00',<span strtotime</span>("<span $n</span> day"<span ));
       </span><span $lastday</span> = <span date</span>("Y-m-d 23:59:59",<span strtotime</span>("<span $n</span> day"<span ));
    }</span><span elseif</span>(<span $t</span>=='w'<span ){
       </span><span if</span>(<span $n</span>!=0){<span $date</span> = <span date</span>('Y-m-d',<span strtotime</span>("<span $n</span> week"<span ));}
       </span><span $lastday</span> = <span date</span>("Y-m-d 00:00:00",<span strtotime</span>("<span $date</span> Sunday"<span ));
       </span><span $firstday</span> = <span date</span>("Y-m-d 23:59:59",<span strtotime</span>("<span $lastday</span> -6 days"<span ));
    }</span><span elseif</span>(<span $t</span>=='m'<span ){
       </span><span if</span>(<span $n</span>!=0){<span $date</span> = <span date</span>('Y-m-d',<span strtotime</span>("<span $n</span> months"<span ));}
       </span><span $firstday</span> = <span date</span>("Y-m-01 00:00:00",<span strtotime</span>(<span $date</span><span ));
       </span><span $lastday</span> = <span date</span>("Y-m-d 23:59:59",<span strtotime</span>("<span $firstday</span> +1 month -1 day"<span )); 
    }
    </span><span return</span> <span array</span>(<span $firstday</span>,<span $lastday</span><span );
}
</span><span $day1</span>   = get_date(<span $date</span>,'d'<span );
</span><span $day2</span>   = get_date(<span $date</span>,'d',-1<span );
</span><span $week1</span> = get_date(<span $date</span>,'w'<span );
</span><span $week2</span> = get_date(<span $date</span>,'w',-1<span );
</span><span $month1</span> = get_date(<span $date</span>,'m'<span );
</span><span $month2</span> = get_date(<span $date</span>,'m',-1<span );
</span><span echo</span> '<pre class="brush:php;toolbar:false">'<span ;
</span><span print_r</span>(<span $day1</span>);<span //</span><span 今天</span>
<span print_r</span>(<span $day2</span>);<span //</span><span 昨天</span>
<span print_r</span>(<span $week1</span>);<span //</span><span 这周</span>
<span print_r</span>(<span $week2</span>);<span //</span><span 上周</span>
<span print_r</span>(<span $month1</span>);<span //</span><span 这月</span>
<span print_r</span>(<span $month2</span>);<span //</span><span 上月</span>
<span echo</span> '

声明

本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系admin@php.cn

如何使PHP应用程序更快May 12, 2025 am 12:12 AM

tomakephpapplicationsfaster，关注台词：1）useopcodeCachingLikeLikeLikeLikeLikePachetoStorePreciledScompiledScriptbyTecode.2）MinimimiedAtabaseSqueriSegrieSqueriSegeriSybysequeryCachingandeffeftExting.3）Leveragephp7 leveragephp7 leveragephp7 leveragephpphp7功能forbettercodeefficy.4）

PHP性能优化清单：立即提高速度May 12, 2025 am 12:07 AM

到ImprovephPapplicationspeed，关注台词：1）启用opcodeCachingwithapCutoredUcescriptexecutiontime.2）实现databasequerycachingusingpdotominiminimizedatabasehits.3）usehttp/2tomultiplexrequlexrequestsandredececonnection.4 limitsclection.4.4

PHP依赖注入：提高代码可检验性May 12, 2025 am 12:03 AM

依赖注入（DI）通过显式传递依赖关系，显着提升了PHP代码的可测试性。 1）DI解耦类与具体实现，使测试和维护更灵活。 2）三种类型中，构造函数注入明确表达依赖，保持状态一致。 3）使用DI容器管理复杂依赖，提升代码质量和开发效率。

PHP性能优化：数据库查询优化May 12, 2025 am 12:02 AM

databasequeryOptimizationinphpinvolVolVOLVESEVERSEVERSTRATEMIESOENHANCEPERANCE.1）SELECTONLYNLYNESSERSAYCOLUMNSTORMONTOUMTOUNSOUDSATATATATATATATATATATRANSFER.3）

简单指南：带有PHP脚本的电子邮件发送May 12, 2025 am 12:02 AM

phpisusedforsenderemailsduetoitsbuilt-inmail（）函数andsupportiveLibrariesLikePhpMailerandSwiftMailer.1）usethemail（）functionforbasicemails，butithasimails.2）butithasimimitations.2）

PHP性能：识别和修复瓶颈May 11, 2025 am 12:13 AM

PHP性能瓶颈可以通过以下步骤解决：1)使用Xdebug或Blackfire进行性能分析，找出问题所在；2)优化数据库查询并使用缓存，如APCu；3)使用array_filter等高效函数优化数组操作；4)配置OPcache进行字节码缓存；5)优化前端，如减少HTTP请求和优化图片；6)持续监控和优化性能。通过这些方法，可以显着提升PHP应用的性能。

PHP的依赖注入：快速摘要May 11, 2025 am 12:09 AM

依赖性注射（DI）InphpisadesignPatternthatManages和ReducesClassDeptions，增强量产生性，可验证性和Maintainability.itallowspasspassingDepentenciesLikEdenceSeconnectionSeconnectionStoclasseconnectionStoclasseSasasasasareTers，interitationApertatingAeseritatingEaseTestingEasingEaseTeStingEasingAndScalability。

提高PHP性能：缓存策略和技术May 11, 2025 am 12:08 AM

cachingimprovesphpermenceByStorcyResultSofComputationsorqucrouctationsorquctationsorquickretrieval，reducingServerLoadAndenHancingResponsetimes.feftectivestrategiesinclude：1）opcodecaching，whereStoresCompiledSinmememorytssinmemorytoskipcompliation; 2）datacaching datacachingsingMemccachingmcachingmcachings

See all articles