This article mainly explains how to upgrade from PHP5.X to PHP7. I hope it can help everyone.

1. Install PHP7 in Ubuntu14.04 or 14.10

First add an update source

apt-get install python-software-properties

sudo add-apt-repository ppa:ondrej/php

Update

apt-get update

2. Update PHP7.0 for Apache server

Apache uses the mod_php module to execute PHP code. Install the latest PHP version:

sudo apt-get install php7.0 libapache2-mod-php7.0 php7.0 -mcrypt

If you are using a MySQL database, then you need to execute the following statements and update the relevant bindings of PHP-MySQL. Of course, you can also use other useful modules, such as Curl, GD, Cli, JSON, etc.

sudo apt-get install php7.0-mysql php7.0-cli php7.0-gd php7.0-json

if If you want to install some additional PHP7.0 modules, you can use the apt-cache command to perform fuzzy queries.

sudo apt-cache search php7

After installation, you can restart the Apache server and verify the php version

$ sudo service apache2 restart

$ php -v

You can also put it in the web directory for verification

sudo vi /var/www/html/info.php

phpinfo();

?> ;

If the web page still displays 5. , then restart Apache2

sudoadd-apt-repository ppa:ondrej/php

##sudoapt-get updateapt-cache search php7.1

apt-get install php7.1

a2dismod php5

If there are other versions before , disable it here

a2enmod php7.1

##apt-get install php7.1-soap

apt-get install php7.1-mcrypt

This article mainly explains how to upgrade from PHP5.X to PHP7.

1. Install PHP7 in Ubuntu14.04 or 14.10

First add an update source

apt-get install python-software-properties

sudo add-apt-repository ppa:ondrej/php

##Update

apt-get update

2. Update PHP7.0 for Apache server

Apache executes PHP The code uses the mod_php module, install the latest PHP version:

sudo apt-get install php7.0 libapache2-mod-php7.0 php7.0 -mcrypt

If you are using a MySQL database, then you need to execute the following statement and update the relevant bindings of PHP-MySQL. Of course, you can also use other useful modules, such as Curl, GD, Cli, JSON, etc.

sudo apt-get install php7.0-mysql php7.0-cli php7.0-gd php7.0-json

if If you want to install some additional PHP7.0 modules, you can use the apt-cache command to perform fuzzy queries.

sudo apt-cache search php7

After installation, you can restart the Apache server and verify the php version

$ sudo service apache2 restart

$ php -v

You can also put it in the web directory for verification

sudo vi /var/www/html/info.php

phpinfo();

##?>

If 5.X is still displayed on the web page, then it is necessary Disable the php5 module in the apache2 configuration, then reinstall php7.0 (it will be loaded automatically if nothing happens), and then restart Apache2

sudoadd-apt-repository ppa:ondrej /php

sudoapt-get updateapt-cache search php7.1

apt-get install php7.1

a2dismod php5

If there were other versions before, disable them here

a2enmod php7.1

apt-get install php7.1-mysql

apt-get install php7.1-curl

apt-get install php7.1-mbstring

apt-get install php7.1-gd

apt-get install php7.1- xml

apt-get install php7.1-soap

Summary of function types and calling methods of php7.0

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