


The advantages of the php integrated installation environment are: 1. Convenience, various necessary components can be installed at one time, and a graphical interface is provided, making the entire installation process simpler and easier to understand; 2. Portability, It can be easily copied to other computers for use, which means that a development environment can be quickly set up without a network connection or in a new working environment; 3. Security, relevant permissions will be configured to more safely control the Web server's use of system resources. access permission.
Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.
The advantages of the PHP integrated installation environment are as follows:
Convenience: The PHP integrated installation environment can install various necessary components at one time , eliminating the tedious process of manual one-by-one installation. And they usually provide a graphical interface to help users complete the settings, making the entire installation process easier and easier to understand.
Portability: The PHP integrated installation environment can be easily copied to other computers for use, which means you can work without a network connection or new Quickly set up a development environment in the environment without being affected by differences between systems.
Security: The PHP integrated installation environment usually configures relevant permissions, such as protected directories, to more safely control the Web server's access to system resources. , to avoid some loopholes and security issues.
The following are several commonly used PHP integrated installation environments:
XAMPP: XAMPP is available for Windows , Linux and Mac operating platforms, including Apache HTTP Server, MySQL, PHP and Perl and other software.
WAMP: Similar to XAMPP, WAMP is also a cross-platform PHP integrated installation environment. The suite includes Apache, PHP, MySQL, PhpMyAdmin, and several other components.
MAMP: This integrated installation environment is specially designed for Mac OS X systems. MAMP also includes components such as Apache and PHP. The difference is that the MySQL version it matches is different from the other two integrated environments.
The above is the detailed content of What are the advantages of php integrated installation environment?. 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。

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。

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。

查找方法:1、用strpos(),语法“strpos("字符串值","查找子串")+1”;2、用stripos(),语法“strpos("字符串值","查找子串")+1”。因为字符串是从0开始计数的,因此两个函数获取的位置需要进行加1处理。


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