


PHP is an embedded scripting language with no future_PHP Tutorial
Editor's note: Although this article may be controversial, I found it insightful
when I first saw it in June, and now I feel the need to repost it here.
Our "Practical Journey" website has provided a lot of introductions about application servers. I think that various
application servers that support jsp (and of course also support ejb and j2ee) will, perhaps already, become mainstream. Many people like php,
perhaps because it contains a spirit of freedom, or has many conveniences, etc.
Everything is evolving, so this is still just an opinion and commentary. But opinions like this are gradually increasing
. )
---------------------------------------------
PHP It is an embedded scripting language with no future. The reasons are manifold.
First, PHP lacks scale support.
Similar embedded languages, one is ASP and the other is JSP. The former can get ActiveX support through Microsoft Windowsd's COM/
DCOM, and the latter can get support through SUN Java's Java Class and EJB
Two , lack of multi-layer structure support.
For large-load sites, there is only one solution: distributed computing. The database, application logic layer, and presentation logic layer are separated from each other, and the same layer can also be separated according to traffic to form a two-dimensional array. ASP can obtain this structural support through DCOM and Microsoft's Tra
nscation Server. JSP can obtain this structural support through EJB/CORBA and the Application Server of many manufacturers, but PHP does not have such conditions.
Third, PHP has extremely unreasonably implemented a confusing and inconsistent database interface support. For example, the interfaces for Oracle,
MySQL, and Sybase are different from each other. This makes people feel incredible, and it also hinders its application in electronic commerce - even PERL obtains an abstract database interface through DBI!
E-commerce is very popular in the United States now. This refers to the supporting environment for e-commerce. Microsoft's current energy is probably focused on W2K and the
big lawsuit, so its voice in this area is very small. I believe you have seen the advertisement of IBM's eBuisness in various media
. Its core is Web Sphere using JSP/Servlet. Another very famous e-commerce software
provider in the West is Intershop. Its original products Intershop1 2, 3, 4 occupy the main e-commerce software share
. They are all supported through CGI. But after October this year, it launched Enfinity, an e-commerce Application Server using JSP/Se
b has heard of it because it is the developer of ColdFushion. Cold Fushion is something similar to PHP, but Allaire is no longer ready to develop it because it has launched another Application Server: JRun, a JSP/Servlet tool. Another very famous manufacturer in the field of e-commerce is Oracle
. Oracle8i is already an EJB Container, and its Application Server uses a more traditional mechanism.
But it launched its own JSP interpreter two days ago.
Earlier this year, Netscape publicly stated that it would no longer develop Liveware technology. Liveware is embedded,
or called Server Side. Now it has formed a business alliance with SUN, and naturally uses JSP/Servlet.
Some domestic news media have not been able to catch up for some unknown reason. This trend in the United States is still hyping up
some things that are destined to be outdated. Of course, I'm not saying that PHP is going to die. It may still exist, but it will only be used on
some small non-commercial sites. If you are interested in developing in this area, or want to reserve some technology,
I suggest you spend some energy on ASP or JSP. On Linux, JSP can have many good supports and implementations, such as IBM
WebSphere, Oracle 8i+JSP, Apache Jserv+GNU JSP, Allaire JRun, and a new project of Apache: Jarkarta. In addition, if you want If you want to gain a foothold in future e-commerce support, please also pay attention to XML.
http://www.bkjia.com/PHPjc/532061.html
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PHPisusedforsendingemailsduetoitsintegrationwithservermailservicesandexternalSMTPproviders,automatingnotificationsandmarketingcampaigns.1)SetupyourPHPenvironmentwithawebserverandPHP,ensuringthemailfunctionisenabled.2)UseabasicscriptwithPHP'smailfunct

The best way to send emails is to use the PHPMailer library. 1) Using the mail() function is simple but unreliable, which may cause emails to enter spam or cannot be delivered. 2) PHPMailer provides better control and reliability, and supports HTML mail, attachments and SMTP authentication. 3) Make sure SMTP settings are configured correctly and encryption (such as STARTTLS or SSL/TLS) is used to enhance security. 4) For large amounts of emails, consider using a mail queue system to optimize performance.

CustomheadersandadvancedfeaturesinPHPemailenhancefunctionalityandreliability.1)Customheadersaddmetadatafortrackingandcategorization.2)HTMLemailsallowformattingandinteractivity.3)AttachmentscanbesentusinglibrarieslikePHPMailer.4)SMTPauthenticationimpr

Sending mail using PHP and SMTP can be achieved through the PHPMailer library. 1) Install and configure PHPMailer, 2) Set SMTP server details, 3) Define the email content, 4) Send emails and handle errors. Use this method to ensure the reliability and security of emails.

ThebestapproachforsendingemailsinPHPisusingthePHPMailerlibraryduetoitsreliability,featurerichness,andeaseofuse.PHPMailersupportsSMTP,providesdetailederrorhandling,allowssendingHTMLandplaintextemails,supportsattachments,andenhancessecurity.Foroptimalu

The reason for using Dependency Injection (DI) is that it promotes loose coupling, testability, and maintainability of the code. 1) Use constructor to inject dependencies, 2) Avoid using service locators, 3) Use dependency injection containers to manage dependencies, 4) Improve testability through injecting dependencies, 5) Avoid over-injection dependencies, 6) Consider the impact of DI on performance.

PHPperformancetuningiscrucialbecauseitenhancesspeedandefficiency,whicharevitalforwebapplications.1)CachingwithAPCureducesdatabaseloadandimprovesresponsetimes.2)Optimizingdatabasequeriesbyselectingnecessarycolumnsandusingindexingspeedsupdataretrieval.

ThebestpracticesforsendingemailssecurelyinPHPinclude:1)UsingsecureconfigurationswithSMTPandSTARTTLSencryption,2)Validatingandsanitizinginputstopreventinjectionattacks,3)EncryptingsensitivedatawithinemailsusingOpenSSL,4)Properlyhandlingemailheaderstoa


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