PHP code example of wp-forge / wp-upgrade-handler

1. Go to this page and download the library: Download wp-forge/wp-upgrade-handler library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

wp-forge / wp-upgrade-handler example snippets




use WP_Forge\UpgradeHandler\UpgradeHandler;

// Define the current plugin version in the code
define( 'MY_PLUGIN_VERSION', '1.4.1' );

// Only handle upgrades in the admin
if ( is_admin() ) {

	// Handle plugin upgrades
	$upgrade_handler = new UpgradeHandler(
		__DIR__ . '/upgrades',              // Directory where upgrade routines live
		get_option( 'my_plugin_version' ),  // Old plugin version (from database)
		MY_PLUGIN_VERSION                   // New plugin version (from code)
	);

	// Returns true if the old version doesn't match the new version
	$did_upgrade = $upgrade_handler->maybe_upgrade();

	if ( $did_upgrade ) {
		// If an upgrade occurred, update the new version in the database to prevent running the routine(s) again.
		update_option( 'my_plugin_version', MY_PLUGIN_VERSION, true );
	}
}




// Rename 'old_option' to 'new_option', if necessary.
$old_option = get_option( 'old_option' );
if( $old_option ) {
    update_option( 'new_option', get_option( 'old_option' ) );
    delete_option( 'old_option' );
}