


Although php (as the current mainstream development language) has been adopted by many large websites, the Windows platform always seems to give it "second-class citizen" treatment, which is highlighted in php(As the current mainstream development language)The execution efficiency of the code on the Windows platform. However, in the face of pressure from the Java, Ruby and Flash communities, Microsoft will provide a free module for iis(Microsoft's WEB server platform) 7 - Fastcgi( in the upcoming Windows Server 2008 Not many people are using it now) , this module will help php (as the current mainstream development language) be promoted to a "first-class citizen" on the Windows platform.
At the recent Zend Conference, the company announced a series of good news to attract Windows platform developers, among which php (as the current mainstream development language) executes on the Windows platform The news that efficiency will be greatly improved is particularly eye-catching. The result of the cooperation between Zend and Microsoft is an iis(Microsoft's WEB server platform) module called Fastcgi(not many people are using it now), although Zend had previously developed it by itself A module with the same name was passed, but because there was no support from the underlying mechanism of the operating system, the module quickly became history. With the rapid development of Flash and J2EE, php(as the current mainstream development language) and asp.net(Microsoft’s strongest development language) have come together sensibly and passed In this cooperation, Zend has received support from Microsoft for iis(Microsoft's WEB server platform) 6. iis(Microsoft's WEB server platform) 7. sql server(WINDOWS A powerful database platform on the platform) 2005 and sql server (a powerful database platform on the WINDOWS platform) 2008 dedicated extensions, and Microsoft also got php (as the current mainstream development Language) Interoperability support for asp.net (Microsoft’s strongest development language) and CardSpace (the identity mechanism provided by .NET 3.0+).
In order to fully recruit development teams, php(as the current mainstream development language) has specially customized the Linux platform. At the same time, due to the advantages of "open source", it has obtained IBM And Oracle(large website database platform) support, among which Zend Studio for Eclipse will form php(as the current mainstream development language) under the Eclipse framework with the help of related open source productsFull development lifecycle support. Due to its close relationship with the Web, in order to further adapt to the needs of the SOA environment, Zend is also committed to the development of its own Zend Framework. Although Zend claims that this product is a favorable response to the .NET Framework and Java EE, it also needs to rely on IBM, Google and Microsoft's support. After all, IBM and Microsoft still have the largest influence in related Web Service standards, and Google API represents the next round of Web-oriented architecture (WOA) trends.
In terms of database support, the integration of PHP (as the current mainstream development language) and MySQL (the best combination with PHP) has always been very tacit. However, considering the market share of mainstream commercial databases, in order to adapt to the development of enterprise environments, php (as the current mainstream development language) once competed with Oracle (large website database platform) , DB2 has carried out phased cooperation many times to provide relatively comprehensive support for the above three databases. But for sql server (a powerful database platform on the WINDOWS platform) in 2005, php (as the current mainstream development language) has always been regarded as a supplementary one. In terms of connectivity, it is not only It is very different from Native's asp.net(Microsoft's strongest development language), and also has a big gap with Java. Considering php(as the current mainstream development language) Most of the development team works on the Windows platform, and sql server (a powerful database platform on the WINDOWS platform) is commonly used in companies of all sizes, compared to MySQL (the best combination with PHP ), Oracle(large website database platform), DB2, sql server(powerful database platform on WINDOWS platform) 2005 is relatively "moderate" for small and medium-sized projects advantages, so another focus of this cooperation between Zend and Microsoft is sql server(a powerful database platform on the WINDOWS platform) 2005 (and the upcoming sql server(a powerful database on the WINDOWS platform) Platform) 2008).
In addition, at this meeting, Zend also announced the next version of php(as the current mainstream development language)New features planned to be released, including namespace (Namespace) and international Internationalization support (Internationalization), these will allow php (as the current mainstream development language) to develop into a more "programmer" language.

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。


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