Comparison of PHP and JSP
PHP
Recommended: php server
PHP (Hypertext Preprocessor) is a scripting language embedded in HTML pages. It borrows a lot of syntax from C and Perl languages, and combines it with PHP's own features to enable Web developers to quickly write dynamically generated pages.
PHP is a completely free open source product that does not cost money. Apache and MYSQL are also free and open source. They are very popular abroad. When used together, PHP and MYSQL can quickly build a good dynamic website system. , so most foreign host systems are equipped with free APACHE + PHP + MYSQL. It is generally believed that the execution efficiency of this combination is higher than that of IIS+ASP+ACCESS, and the use of the latter requires additional payment to Microsoft.
PHP's syntax is very similar to Perl, but PHP contains far more functions than Perl. PHP does not have a namespace, so you must work hard to avoid module name conflicts when programming. Although an open source language requires simple syntax and rich functions, the inherent flaws in PHP's internal structure make PHP unsuitable for writing websites larger than small and medium-sized amateur websites.
JSP
JSP (JavaServer Pages) is a dynamic web page technology launched by Sun. JSP technology uses Java language as the scripting language, and people who are familiar with JAVA language can get started quickly.
Although JSP itself is also a scripting language, it is essentially different from PHP. PHP is interpreted and executed by the language engine, while the JSP code is compiled into a Servlet and executed by the Java virtual machine. This compilation operation only occurs on the first request for the JSP page. Therefore, it is generally believed that the execution efficiency of JSP is higher than that of PHP and ASP.
JSP is a server-side scripting language. The biggest advantage is that it has high development efficiency. JSP can use JavaBeans or EJB (Enterprise JavaBeans) to execute the requirements of the application. More complex processing, but this kind of website architecture is not conducive to maintenance because its business rule code and page code are mixed together, so it is not suitable for the requirements of large applications. It is replaced by a Web architecture based on MVC.
Performance Comparison
Some people have done experiments to do loop performance tests and Oracle database access tests for these two languages.
In the loop performance test, JSP only took an astonishing four seconds to end the 20000*20000 loop. The PHP test was 2000*2000 cycles (an order of magnitude less), but it took 63 seconds each.
In the database test, the two performed 1000 Insert, Update, Select and Delete on Oracle 8 respectively: JSP took 13 seconds and PHP took 69 seconds.
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