两份PHP程序代码对比,大家认为其编程水平都怎么样?censor.class.php
功能:一个censor审核提交字符串的类(附加在DEDECMS里面)
两份不同的作品,同样的一种功能,大家评比一下~认为他们的水平如何?
如果你是主考官,你会如何选择?为什么?
涉及MySQL数据表:gk_info_censor
<br>mysql> desc gk_info_censor;<br>+-------------+----------------------+------+-----+---------+----------------+<br>| Field | Type | Null | Key | Default | Extra |<br>+-------------+----------------------+------+-----+---------+----------------+<br>| id | smallint(6) unsigned | NO | PRI | NULL | auto_increment |<br>| admin | varchar(15) | NO | | | |<br>| type | smallint(6) | NO | | 1 | |<br>| find | varchar(255) | NO | UNI | | |<br>| replacement | varchar(255) | NO | | | |<br>| extra | varchar(255) | NO | | | |<br>| count | int(11) | NO | | 0 | |<br>| updatetime | int(11) | NO | | NULL | |<br>| tids | mediumtext | NO | | NULL | |<br>| enable | tinyint(1) | NO | | -1 | |<br>+-------------+----------------------+------+-----+---------+----------------+<div class="clear"> </div>

TomakePHPapplicationsfaster,followthesesteps:1)UseOpcodeCachinglikeOPcachetostoreprecompiledscriptbytecode.2)MinimizeDatabaseQueriesbyusingquerycachingandefficientindexing.3)LeveragePHP7 Featuresforbettercodeefficiency.4)ImplementCachingStrategiessuc

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

Dependency injection (DI) significantly improves the testability of PHP code by explicitly transitive dependencies. 1) DI decoupling classes and specific implementations make testing and maintenance more flexible. 2) Among the three types, the constructor injects explicit expression dependencies to keep the state consistent. 3) Use DI containers to manage complex dependencies to improve code quality and development efficiency.

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

PHPisusedforsendingemailsduetoitsbuilt-inmail()functionandsupportivelibrarieslikePHPMailerandSwiftMailer.1)Usethemail()functionforbasicemails,butithaslimitations.2)EmployPHPMailerforadvancedfeatureslikeHTMLemailsandattachments.3)Improvedeliverability

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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