


This article brings you relevant knowledge about PHP. It mainly talks about how to configure multiple versions of PHP for Nginx and Apache, and how to cut multiple conf files. Interested friends will take a look below. Let's take a look, hope it helps everyone.
Sometimes our projects cannot all have the same PHP version, and each project needs to be configured with a different version of PHP. Pagoda and PHPStudy are implemented through the following configuration:
Nginx
Cut conf (unselected)
Add
include vhosts/*.conf;# in nginx.conf ##In this way, Nginx will automatically import all *.conf files in the current directory->vhosts directory, making it easier for each project to manage the Nginx configuration file independently
Configuring multiple versions of PHP
Addserver { listen 80; server_name localhost; root "D:/WWW"; location / { index index.php index.html; include D:/WWW/nginx.htaccess; autoindex on; } location ~ \.php(.*)$ { fastcgi_pass 127.0.0.1:9010; fastcgi_index index.php; fastcgi_split_path_info ^((?U).+\.php)(/?.+)$; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param PATH_INFO $fastcgi_path_info; fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info; include fastcgi_params; } }
- fastcgi_pass is the PHP execution IP port in the conf file
- fastcgi_index default PHP file
- fastcgi_split_path_info is regular
- fastcgi_param is the directory where PHP is located (Nginx will automatically obtain and assign the value to $fastcgi_script_name)
Apache
Cut conf (not optional)
AddInclude conf/vhosts/*.confin httpd.conf so that Apache will automatically introduce the Apache installation directory->conf ->All *.conf files in the vhosts directory to facilitate each project to manage the Apache configuration file independently
Configuring multiple versions of PHP
Add # in the conf file ##FcgidInitialEnv PHPRC "D:/Extensions/php/php8.2.2-nts" AddHandler fcgid-script .php FcgidWrapper "D:/Extensions/php/php8.2.2-nts/php-cgi.exe" .php
Just specify the corresponding directory.
Recommended learning: "
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php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($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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