The problem I am facing now is css+div and javascript and php related things. . Which of these two should I choose? They all have a certain foundation, but now I don’t know which one is better to learn. I plan to go out to find a job and want to learn something first. Which one is better?
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The problem I am facing now is css+div and javascript and php related things. . Which of the two should I choose? They all have a certain foundation, but now I don’t know which one is better to learn. I plan to go out to find a job and want to learn something first. Which one is better?
You can find a job no matter what you study, it depends on whether your personal interest is front-end or PHP.
What you have to do is to find a direction to study in, instead of worrying about which technology to choose.
If you don’t have a high degree of education, the company you may apply for in the future (during the period of technical improvement) is likely to be a small company where the front and back ends are not separated.
<code>BOSS:你是技术,这个Case都交给你了。如果只掌握前端,恐怕不能应对工作需求。而搞好PHP,可能交互不能做的很好,但功能至少能实现了。 **学好PHP,走遍天下都不怕** </code>
If you have a higher academic qualification, or the school you graduated from is among the famous schools. At least once you have passed the diploma level, it all depends on your own interests.
In addition, the two are not actually conflicting.
What the hell is css+div?

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You should care about DependencyInjection(DI) because it makes your code clearer and easier to maintain. 1) DI makes it more modular by decoupling classes, 2) improves the convenience of testing and code flexibility, 3) Use DI containers to manage complex dependencies, but pay attention to performance impact and circular dependencies, 4) The best practice is to rely on abstract interfaces to achieve loose coupling.

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

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

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

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