工作职责:
a) 实现搜索应用产品的Web界面,优化代码并保持良好兼容性
b) 设计并实现搜索应用产品的交互,提高网页性能和用户体验
c) Web前沿技术的调研与应用探索
职位要求:
d) 计算机及相关专业本科以上学历
e) 精通Linux/Unix平台上的PHP程序开发;
f) 熟悉JavaScript、Ajax等Web开发技术,有良好的程序设计和架构能力
g) 熟悉常用数据结构、算法
h) 了解html/xhtml、css等网页制作技术,熟悉页面架构和布局
i) 对web技术钻研有强烈兴趣,有良好的学习能力和强烈的进取心
j) 思维缜密、思路清晰,较好的逻辑分析能力
k) 良好的沟通和口头、书面表达能力
具备以下条件者优先:
l) 熟悉smarty框架
m) 熟悉并能够解决浏览器兼容性问题
n) 熟悉web标准,对表现与数据分离,html语义化等有深刻理解
o) 熟悉常用数据库,在数据库表设计、性能优化有丰富经验p) linux/Unix、PHP、nginx源码或有相关开发经验
联系方式:Q:2335772841 email:melodym@chnbole.com

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ToimprovePHPapplicationspeed,followthesesteps:1)EnableopcodecachingwithAPCutoreducescriptexecutiontime.2)ImplementdatabasequerycachingusingPDOtominimizedatabasehits.3)UseHTTP/2tomultiplexrequestsandreduceconnectionoverhead.4)Limitsessionusagebyclosin

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DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi

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PHP performance bottlenecks can be solved through the following steps: 1) Use Xdebug or Blackfire for performance analysis to find out the problem; 2) Optimize database queries and use caches, such as APCu; 3) Use efficient functions such as array_filter to optimize array operations; 4) Configure OPcache for bytecode cache; 5) Optimize the front-end, such as reducing HTTP requests and optimizing pictures; 6) Continuously monitor and optimize performance. Through these methods, the performance of PHP applications can be significantly improved.

DependencyInjection(DI)inPHPisadesignpatternthatmanagesandreducesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itallowspassingdependencieslikedatabaseconnectionstoclassesasparameters,facilitatingeasiertestingandscalability.

CachingimprovesPHPperformancebystoringresultsofcomputationsorqueriesforquickretrieval,reducingserverloadandenhancingresponsetimes.Effectivestrategiesinclude:1)Opcodecaching,whichstorescompiledPHPscriptsinmemorytoskipcompilation;2)DatacachingusingMemc


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