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How to upgrade PHP5 to PHP7 under Centos

First download the PHP7 installation package, use wget http://am1.php.net/distributions/php-7.2.0.tar.bz2, or access the download directly, and then ftp to the Linux server to decompress the compressed package.

Jan 22, 2021 am 09:39 AM

centosphp5php7

Introduction to Linux installation of php7.3

The PHP7 tutorial column introduces how to install php7.3 in Linux. Friends in need can take a look. The method is simple and capable.

Jan 21, 2021 am 09:44 AM

linux安装php

Integrate features from PHP5.X to PHP7.1.x

There are so many good features and methods, why not use them, and I hope PHP will get better and better. All new features of PHP 5.1, PHP5.2, PHP5.3, PHP5.4, PHP5.5, PHP5.6, PHP7, PHP7.1 are organized here and are ready for everyone to learn and use.

Jan 20, 2021 am 09:47 AM

PHP5.XPHP7.1.x

Introducing PHP7.3.5 encapsulation class to access mysql database

The php7 tutorial column introduces the PHP7.3.5 encapsulation class to access the mysql database. Friends in need can take a look and discuss it together.

Jan 19, 2021 am 09:19 AM

PHP7.3.5mysql数据库

Detailed tutorial on Linux (Ubuntu) installation and perfect uninstallation of PHP7

When I installed php for the first time, I did not install the php module of apache. As a result, apache could not parse the php file, and the source code was displayed when accessing the file. One command to do it: install php7 and the php7 module of apache: apt-get install php7.0 libapache2-mod-php7.0 restart apache: /etc/init.d/apache2 restart in the /var/www/html directory.. .

Jan 18, 2021 am 09:25 AM

ubuntuPHP7

Introducing the comparison between php7 and php5

When PHP7 debuted, it was claimed to be several times faster than the old version. The speed and efficiency of various open source frameworks or systems running on PHP7 have increased several times. Anyway, both the media and developers are fanning the flames. No, they should be full of praise. I will just watch you pretending to be cool and say nothing. Generally, I am the last person to upgrade mobile phone systems because I don’t want to step into any pitfalls. After all, systems like iOS and Android will have bugs, not to mention the most hacked languages in the world. The time has come today to see if PHP7 is as awesome as the legend says.

Jan 15, 2021 am 09:47 AM

php7php5

How to install various extensions for php7 ext

Two methods: The first one is too troublesome to introduce. The second method: php ext directory: For example: Mysql_PDOcd pdo_mysql //There is no configure file in it, use phpize to expand the module /usr/local/php/bin/phpize yum install autoconf -y //autoconf is a tool used to generate automatic configuration software source code packages to adapt to various UNIX systems...

Jan 14, 2021 am 10:28 AM

php扩展安装

How to connect to database in PHP7

The mysql library has been abolished in PHP7, so you can only use mysqli and PDO mysqli object-oriented style<?php$serve = 'localhost:3306';$username = 'root';$password = 'admin123';$dbname = 'examples';$mysqli = new Mysqli($serve,$username,$password,...

Jan 13, 2021 am 09:25 AM

php7连接数据库

Learn yum to install the latest version of php7

In the past two days, I have installed a virtual machine again, compiled lnmp, and made various extensions. It is very troublesome. Can I install it directly with yum? The answer is yes! 1. First, update the yum source, otherwise it must be an old version, usually 5.6 and below, but php7 has been out for a long time, and the performance has improved by more than 50%! Update the yum source according to the system, mine is centos7, so I run the following code! CentOS/RHEL 7.x:rpm -Uvh https://dl.fedoraproject.or...

Jan 12, 2021 am 09:15 AM

yumphp

Is PHP7 so awesome (horizontal comparison of php7.1 and php5.6)

It has been a year and a half since PHP7 was officially released. When it first came out, it was said to be several times faster than the old version. The speed and efficiency of various open source frameworks or systems running on PHP7 have increased several times. Anyway, both the media and developers are fanning the flames. , no, it should be full of praise. I will just watch you pretending to be cool and say nothing. Generally, I am the last person to upgrade my mobile phone system because I don’t want to step into the trap. After all, iOS and Android...

Jan 11, 2021 am 09:19 AM

PHP7

Chat about php7 garbage collection mechanism

If I don’t explain it specifically, the PHP version is 7.2. I will write it tomorrow. First, I will outline the recycling of zval’s structural variables, memory leaks caused by circular references, and the recycling of object and array...

Jan 08, 2021 am 09:50 AM

php7垃圾回收机制

Introducing Centos to install PHP7 and configure php-fpm to start up

Introduce Centos installation of PHP7 and configure php-fpm to start up. The steps for php-7.2.11 are to download the php compressed package of php-7.2.11 from the official website. The steps for centos 7 to install php-7.2.11...

Jan 07, 2021 am 09:51 AM

centosPHP7php-fpm

Look at the difference between php7 and php5

The php7 column introduces PHP scalar types and return type declarations, which are mainly divided into two modes, mandatory mode and strict mode declare(strict_types=1), which represents strict type checking mode and acts on function calls and return statements; 0 represents weak type Check mode..

Jan 06, 2021 am 09:12 AM

php7php5

Comparative explanation of the differences between PHP7 and previous versions

A comparison between the PHP7 tutorial column and previous versions of PHP. Let’s take a look at the various updated versions of PHP: First, let’s talk about the new things brought by PHP7 1. Type declaration. You can use strings (string), integers (int), floating point numbers (float), and Boolean values (bool)...

Jan 05, 2021 am 09:30 AM

PHP7