Recommendation: "PHP Practical Training"
In today's rapid development of the Internet, PHP plays an important role in IT It has always stood firm in the industry, mainly because it is much simpler than Java and CC and has a wide range of applications. Most large websites are developed with PHP. PHP has always been very popular as an open source back-end development language, which also makes PHP Salaries have been increasing steadily. So why choose PHP language as website development language?
The following points summarize the characteristics and advantages of choosing PHP as a website development language.
1. Open source
PHP is an open source language (free to download, free to use, free to share). Neither developers nor users need to pay attention to using PHP. bear any costs.
2. Portability
PHP can run on any server (whether it is Windows or Linux). Of course, the benefits of choosing a Linux server are better than a Windows server. Because the former is zero cost.
3. Ease of use
PHP is a language that is very easy to learn, use and deploy. Because of this, PHP is widely used.
4. Rich open source code support
PHP has many open source applications provided to developers and users for free, such as the famous wordpress.
5. Efficient frameworks
In addition to providing open source applications, PHP also has many efficient frameworks that allow developers to develop large-scale applications faster and better. Applications, famous frameworks such as: ZEND, Codeigniter, Thinkphp developed by Chinese people.
PHP is so popular as a development language, so it should be widely used.
In short, there are many advantages to using PHP language for enterprise website development. Of course, if you don’t have the energy to do PHP development, you can directly consult online for website building systems specially developed with PHP! It can be developed twice, saving trouble and time!
Note: php Chinese website provides a large number of free, original, high-definition php video tutorials, and will hold php public welfare training regularly!
The above is the detailed content of Why choose PHP language as website development language?. For more information, please follow other related articles on the PHP Chinese website!

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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