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I'm using a custom Php script to install WordPress via the Softaculous API. Once installed, what's the best way to programmatically install and activate a plugin? I could try setting up a custom WP script in Softaculous with a PHP script in a custom plugin in an mu-plugins folder, but I would prefer not to do that, and instead install/activate the plugin after the WP installation.

So what I would like to do after the WP main install and from an external PHP script if possible is:

1. authenticate with admin credentials via PHP
2. download a specific plugin from the repository
3. install the plugin
4. activate the plugin

Maybe I could use the TGM-Plugin-Activation to install/activate another plugin, but I would need to be able to install/activate that plugin itself. Is this possible without any admin user clicks and without using the mu-plugins folder pre-install?

I've read these posts:

Activating a single plugin via php

Plugin to install a plugin

I'm using a custom Php script to install WordPress via the Softaculous API. Once installed, what's the best way to programmatically install and activate a plugin? I could try setting up a custom WP script in Softaculous with a PHP script in a custom plugin in an mu-plugins folder, but I would prefer not to do that, and instead install/activate the plugin after the WP installation.

So what I would like to do after the WP main install and from an external PHP script if possible is:

1. authenticate with admin credentials via PHP
2. download a specific plugin from the repository
3. install the plugin
4. activate the plugin

Maybe I could use the TGM-Plugin-Activation to install/activate another plugin, but I would need to be able to install/activate that plugin itself. Is this possible without any admin user clicks and without using the mu-plugins folder pre-install?

I've read these posts:

Activating a single plugin via php

Plugin to install a plugin

• plugins
• php
• deployment

Share Improve this question edited Mar 26, 2024 at 1:37 Jesse Nickles 73577 silver badges1919 bronze badges asked Apr 26, 2018 at 10:13 Nick WNick W 12311 silver badge66 bronze badges 2

• Why not use WP CLI to install, active the plugin? – bueltge Commented Apr 26, 2018 at 11:54
• Related: wordpress.stackexchange.com/questions/179963/… – Jesse Nickles Commented Dec 12, 2022 at 18:28

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1 Answer 1

Sorted by: Reset to default 7

WP CLI

The easy way; use the WP CLI (also available as wp-cli.phar) to get a solid, maintainable solution for this requirement. More for this topic you will find at the command

• wp plugin <command>

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WP API

If you will need a custom script is is necessary to load the WP API, via wp-load.php and look for the function activate_plugin($path_to_the_plugin).

Activation

As example what you need to get all requirements to activate a plugin see below

define( 'WP_ADMIN', TRUE );
define( 'WP_NETWORK_ADMIN', TRUE ); // Need for Multisite
define( 'WP_USER_ADMIN', TRUE );

require_once('../wp-load.php');
require_once( '../wp-admin/includes/admin.php' );
require_once( '../wp-admin/includes/plugin.php' );

activate_plugin( 'PATH_TO_THE_PLUGIN' );

Installation

The installation of a plugin is also possible via the API of WP, also code thats should helps a little bit to run in the right direction.

// Include required libs for installation
require_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
require_once( ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php' );
require_once( ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php' );

// Get Plugin Info
$api = plugins_api( 'plugin_information',
    array(
        'slug' => $plugin,
        'fields' => array(
            'short_description' => false,
            'sections' => false,
            'requires' => false,
            'rating' => false,
            'ratings' => false,
            'downloaded' => false,
            'last_updated' => false,
            'added' => false,
            'tags' => false,
            'compatibility' => false,
            'homepage' => false,
            'donate_link' => false,
        ),
    )
);
$skin     = new WP_Ajax_Upgrader_Skin();
$upgrader = new Plugin_Upgrader( $skin );
$upgrader->install( $api->download_link );

A example that install and activate see you in this class.

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