| 1 | <?php |
|---|
| 2 | /* |
|---|
| 3 | Plugin Name: Sample Uninstallable Plugin |
|---|
| 4 | Plugin URI: [insert the plugin uri here] |
|---|
| 5 | Description: A sample plugin for testing the uninstaller |
|---|
| 6 | Author: Andrew Rickmann |
|---|
| 7 | Version: 0.1 |
|---|
| 8 | Author URI: http://www.wp-fun.co.uk |
|---|
| 9 | Generated At: www.wp-fun.co.uk; |
|---|
| 10 | */ |
|---|
| 11 | |
|---|
| 12 | if ( !is_plugin_active( __FILE__ ) ) { |
|---|
| 13 | |
|---|
| 14 | //THIS IS THE UNINSTALL FUNCTIONS |
|---|
| 15 | |
|---|
| 16 | class fw_uninstallation_sample_uninstall { |
|---|
| 17 | |
|---|
| 18 | function uninstall_me(){ |
|---|
| 19 | global $wpdb; |
|---|
| 20 | |
|---|
| 21 | $db_table_name = $wpdb->prefix . "sample_uninstallable_plugin"; |
|---|
| 22 | |
|---|
| 23 | $sql = 'DROP TABLE IF EXISTS '.$db_table_name; |
|---|
| 24 | $wpdb->query( $sql ); |
|---|
| 25 | |
|---|
| 26 | delete_option( "sample_uninstallable_plugin_db_version" ); |
|---|
| 27 | |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | } |
|---|
| 31 | |
|---|
| 32 | return; |
|---|
| 33 | |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | |
|---|
| 37 | |
|---|
| 38 | //start of the plugin as normal |
|---|
| 39 | |
|---|
| 40 | if (!class_exists('fw_uninstallation_sample')) { |
|---|
| 41 | class fw_uninstallation_sample { |
|---|
| 42 | |
|---|
| 43 | /** |
|---|
| 44 | * @var string The name of the database table used by the plugin |
|---|
| 45 | */ |
|---|
| 46 | var $db_table_name = ''; |
|---|
| 47 | |
|---|
| 48 | |
|---|
| 49 | /** |
|---|
| 50 | * PHP 4 Compatible Constructor |
|---|
| 51 | */ |
|---|
| 52 | function fw_uninstallation_sample(){$this->__construct();} |
|---|
| 53 | |
|---|
| 54 | /** |
|---|
| 55 | * PHP 5 Constructor |
|---|
| 56 | */ |
|---|
| 57 | function __construct(){ |
|---|
| 58 | global $wpdb; |
|---|
| 59 | |
|---|
| 60 | |
|---|
| 61 | register_activation_hook(__FILE__,array(&$this,"install_on_activation")); |
|---|
| 62 | |
|---|
| 63 | $this->db_table_name = $wpdb->prefix . "sample_uninstallable_plugin"; |
|---|
| 64 | |
|---|
| 65 | } |
|---|
| 66 | |
|---|
| 67 | |
|---|
| 68 | |
|---|
| 69 | /** |
|---|
| 70 | * Creates or updates the database table, and adds a database table version number to the WordPress options. |
|---|
| 71 | */ |
|---|
| 72 | function install_on_activation() { |
|---|
| 73 | global $wpdb; |
|---|
| 74 | |
|---|
| 75 | //**************************** UNINSTALLER |
|---|
| 76 | register_uninstall_hook( 'uninstall_sample' , __FILE__ , array( 'fw_uninstallation_sample_uninstall' , 'uninstall_me' ) ); |
|---|
| 77 | //******************************************* |
|---|
| 78 | |
|---|
| 79 | |
|---|
| 80 | $plugin_db_version = "0.1"; |
|---|
| 81 | $installed_ver = get_option( "sample_uninstallable_plugin_db_version" ); |
|---|
| 82 | //only run installation if not installed or if previous version installed |
|---|
| 83 | if ($installed_ver === false || $installed_ver != $plugin_db_version) { |
|---|
| 84 | |
|---|
| 85 | //***************************************************************************************** |
|---|
| 86 | // Create the sql - You will need to edit this to include the columns you need |
|---|
| 87 | // Using the dbdelta function to allow the table to be updated if this is an update. |
|---|
| 88 | // Read the limitations of the dbdelta function here: http://codex.wordpress.org/Creating_Tables_with_Plugins |
|---|
| 89 | // remember to update the version number every time you want to make a change. |
|---|
| 90 | //***************************************************************************************** |
|---|
| 91 | $sql = "CREATE TABLE " . $this->db_table_name . " ( |
|---|
| 92 | id mediumint(9) NOT NULL AUTO_INCREMENT, |
|---|
| 93 | test_field VARCHAR(255), |
|---|
| 94 | UNIQUE KEY id (id) |
|---|
| 95 | );"; |
|---|
| 96 | |
|---|
| 97 | require_once(ABSPATH . "wp-admin/upgrade-functions.php"); |
|---|
| 98 | dbDelta($sql); |
|---|
| 99 | //add a database version number for future upgrade purposes |
|---|
| 100 | update_option("sample_uninstallable_plugin_db_version", $plugin_db_version); |
|---|
| 101 | } |
|---|
| 102 | } |
|---|
| 103 | |
|---|
| 104 | } |
|---|
| 105 | } |
|---|
| 106 | |
|---|
| 107 | //instantiate the class |
|---|
| 108 | if (class_exists('fw_uninstallation_sample')) { |
|---|
| 109 | $fw_uninstallation_sample = new fw_uninstallation_sample(); |
|---|
| 110 | } |
|---|
| 111 | |
|---|
| 112 | |
|---|
| 113 | |
|---|
| 114 | ?> |
|---|