install.php
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<?php
/**
* This file is called in two instances.
* 1 - When the plugin is activated it will be called from the activation hook in src/boot.php install().
* 2 - When LD core (4.1.1) includes a zip copy of this plugin it will move to the mu-plugins directory. Then call this file to perform needed setup.
*/
$installed_dir = plugin_dir_path( __DIR__ );
$installed_dir = str_replace( '\\', '/', $installed_dir );
$installed_dir = strtolower( $installed_dir );
$installed_dir = trailingslashit( $installed_dir );
$wp_plugin_dir = defined( 'WP_PLUGIN_DIR' ) ? WP_PLUGIN_DIR : trailingslashit( WP_CONTENT_DIR ) . 'plugins';
$wp_plugin_dir = str_replace( '\\', '/', $wp_plugin_dir );
$wp_plugin_dir = strtolower( $wp_plugin_dir );
$wp_plugin_dir = trailingslashit( $wp_plugin_dir );
$hub_plugin_dir = basename( __DIR__ );
$rename_ret = false;
if ( ( $installed_dir !== $wp_plugin_dir ) && ( is_writable( $wp_plugin_dir ) ) ) {
if ( ! file_exists( $installed_dir . $hub_plugin_dir ) ) {
return;
}
// plugin is already installed.
if ( file_exists( $wp_plugin_dir . $hub_plugin_dir ) ) {
// compare the installed version with the version in the mu-plugins directory.
if ( ! function_exists( 'get_plugin_data' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$wp_plugin_version = get_plugin_data( $wp_plugin_dir . $hub_plugin_dir . DIRECTORY_SEPARATOR . 'learndash-hub.php', false, false );
$wp_plugin_version = $wp_plugin_version['Version'];
$mu_plugin_version = get_plugin_data( $installed_dir . $hub_plugin_dir . DIRECTORY_SEPARATOR . 'learndash-hub.php', false, false );
$mu_plugin_version = $mu_plugin_version['Version'];
// if the wp plugin version is greater than the version in the mu plugin dir then we don't need to do anything.
if ( version_compare( $wp_plugin_version, $mu_plugin_version, '>=' ) ) {
return;
}
// delete the old version.
WP_Filesystem();
global $wp_filesystem;
$wp_filesystem->delete( $wp_plugin_dir . $hub_plugin_dir, true );
// remove cached plugin data.
delete_site_option( 'learndash_hub_fetch_projects' );
delete_site_option( 'learndash_hub_update_plugins_cache' );
}
// Move the plugin from the current directory to the plugins/learndash-hub/ directory.
$rename_ret = rename( $installed_dir . $hub_plugin_dir, $wp_plugin_dir . $hub_plugin_dir );
if ( true === $rename_ret ) {
$hub_slug = 'learndash-hub/learndash-hub.php';
// After the rename we need to add ourself to the WP 'active' plugins list.
if ( ( isset( $network_wide ) ) && ( true === $network_wide ) ) {
$current = get_site_option( 'active_sitewide_plugins', array() );
$current[ $hub_slug ] = time();
update_site_option( 'active_sitewide_plugins', $current );
} else {
$current = get_option( 'active_plugins', array() );
if ( ! in_array( $hub_slug, $current, true ) ) {
$current[] = $hub_slug;
sort( $current );
update_option( 'active_plugins', $current );
}
}
}
}