<?php if ( ! defined( 'ABSPATH' ) ) exit;
class NF_Database_Migrations
{
protected $migrations = array();
/**
* Constructor method for the NF_Database_Migrations class.
*
* @since 3.0.0
*
* @updated 3.3.8
*/
public function __construct()
{
$this->migrations[ 'forms' ] = new NF_Database_Migrations_Forms();
$this->migrations[ 'form_meta' ] = new NF_Database_Migrations_FormMeta();
$this->migrations[ 'fields' ] = new NF_Database_Migrations_Fields();
$this->migrations[ 'field_meta' ] = new NF_Database_Migrations_FieldMeta();
$this->migrations[ 'actions' ] = new NF_Database_Migrations_Actions();
$this->migrations[ 'action_meta' ] = new NF_Database_Migrations_ActionMeta();
$this->migrations[ 'objects' ] = new NF_Database_Migrations_Objects();
$this->migrations[ 'object_meta' ] = new NF_Database_Migrations_ObjectMeta();
$this->migrations[ 'relationships' ] = new NF_Database_Migrations_Relationships();
$this->migrations[ 'settings' ] = new NF_Database_Migrations_Settings();
$this->migrations[ 'upgrades' ] = new NF_Database_Migrations_Upgrades();
$this->migrations[ 'chunks' ] = new NF_Database_Migrations_Chunks();
}
/**
* Function to run each migration on the stack.
*
* @since 3.0.0
*/
public function migrate()
{
foreach( $this->migrations as $migration ){
$migration->_run();
}
}
/**
* Function to run any required database upgrades.
*
* @param $callback (String) The method this upgrade will call from individual migration files.
*
* @since 3.4.0
*/
public function do_upgrade( $callback )
{
foreach( $this->migrations as $migration ) {
$migration->_do_upgrade( $callback );
}
}
/**
* This function drops ninja forms tables and options
*
* @param $areYouSure (Boolean)
* @param $areYouReallySure (Boolean)
* @param $nuke_multisite (Boolean)
*
* @since 2.9.34
* @updated 3.3.16
*/
public function nuke( $areYouSure = FALSE, $areYouReallySure = FALSE, $nuke_multisite = TRUE )
{
if( ! $areYouSure || ! $areYouReallySure ) return;
global $wpdb;
if( ! function_exists( 'is_multisite' ) || ! is_multisite() ){
$this->_nuke();
return;
}
// adding this to make sure we don't nuke ALL subsites when upgrading one subsite
if ( $nuke_multisite ) {
$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
foreach( $blog_ids as $blog_id ){
switch_to_blog( $blog_id );
$this->_nuke();
restore_current_blog(); // Call after EVERY switch_to_blog().
}
} else {
$this->_nuke();
return;
}
}
/**
* Function to handle the actual deletion of tables and caches.
*
* @since 3.1.0
*/
private function _nuke()
{
global $wpdb;
/* Drop THREE Tables */
foreach( $this->migrations as $migration ){
$migration->_drop();
}
/* Delete form caches */
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE 'nf_form_%'" );
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE '_transient_nf_form_%'" );
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE '_transient_timeout_nf_form_%'" );
}
/**
* Function to nuke our 3.0 settings.
*
* @param $areYouSure (Boolean)
* @param $areYouReallySure (Boolean)
*
* @since 3.1.0
*/
public function nuke_settings( $areYouSure = FALSE, $areYouReallySure = FALSE )
{
if( ! $areYouSure || ! $areYouReallySure ) return;
global $wpdb;
if( ! function_exists( 'is_multisite' ) || ! is_multisite() ){
$this->_nuke_settings();
return;
}
$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
foreach( $blog_ids as $blog_id ){
switch_to_blog( $blog_id );
$this->_nuke_settings();
restore_current_blog(); // Call after EVERY switch_to_blog().
}
}
/**
* Function to handle the actual deletion of our 3.0 settings.
*
* @since 3.1.0
*/
private function _nuke_settings()
{
global $wpdb;
/* Delete known options */
delete_option( 'nf_admin_notice' );
delete_option( 'nf_form_tel_data' );
delete_option( 'nf_form_tel_sent' );
delete_option( 'nf_tel_collate' );
delete_option( 'ninja_forms_allow_tracking' );
delete_option( 'ninja_forms_db_version' );
delete_option( 'ninja_forms_do_not_allow_tracking' );
delete_option( 'ninja_forms_load_deprecated' );
delete_option( 'ninja_forms_mailchimp_interests' );
delete_option( 'ninja_forms_oauth_client_secret' );
delete_option( 'ninja_forms_optin_reported' );
delete_option( 'ninja_forms_settings' );
delete_option( 'ninja_forms_transactional_email_enabled' );
delete_option( 'ninja_forms_version' );
/* Delete possible options */
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE 'wp_nf_%'" );
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE 'ninja_forms_%'" );
/* Delete background processing flags */
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE 'wp_nf_update_fields_%'" );
}
/**
* Function to nuke our 2.9 database tables.
*
* @param $areYouSure (Boolean)
* @param $areYouReallySure (Boolean)
*
* @since 3.1.0
*/
public function nuke_deprecated( $areYouSure = FALSE, $areYouReallySure = FALSE )
{
if( ! $areYouSure || ! $areYouReallySure ) return;
global $wpdb;
if( ! function_exists( 'is_multisite' ) || ! is_multisite() ){
$this->_nuke_deprecated();
return;
}
$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
foreach( $blog_ids as $blog_id ){
switch_to_blog( $blog_id );
$this->_nuke_deprecated();
restore_current_blog(); // Call after EVERY switch_to_blog().
}
}
/**
* Function to handle the actual deletion of deprecated tables and options.
*
* @since 3.1.0
*/
private function _nuke_deprecated()
{
global $wpdb;
/* Drop Deprecated Tables (v2.9.x) */
$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}nf_objectmeta`" );
$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}nf_objects`" );
$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}nf_relationships`" );
$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}ninja_forms_fav_fields`" );
$wpdb->query( "DROP TABLE IF EXISTS `{$wpdb->prefix}ninja_forms_fields`" );
/* Delete Deprecated Options (v2.9.x) */
delete_option( 'nf_upgrade_notice' );
delete_option( 'nf_converted_subs' );
delete_option( 'nf_converted_forms' );
delete_option( 'nf_convert_subs_num' );
delete_option( 'nf_convert_subs_step' );
delete_option( 'nf_convert_subs_step' );
delete_option( 'nf_email_fav_updated' );
delete_option( 'nf_database_migrations' );
delete_option( 'nf_converted_form_reset' );
delete_option( 'nf_version_upgraded_from' );
delete_option( 'nf_convert_forms_complete' );
delete_option( 'nf_convert_notifications_forms' );
delete_option( 'nf_convert_notifications_complete' );
delete_option( 'nf_update_email_settings_complete' );
/* Delete Deprecarted Upgrade Options (v2.9.x) */
$wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE 'nf_upgrade_%'" );
/* Maybe Remove Deprecated Scheduled Cron (v2.9.x) */
if( $timestamp = wp_next_scheduled( 'ninja_forms_daily_action' ) ){
wp_unschedule_event( $timestamp, 'ninja_forms_daily_action' );
}
}
}
ما بقاش الذكاء الاصطناعي مجرد خيال علمي أو تطور مستنيينه في المستقبل… لأ، ده بقى واقع عايشينه كل يوم، وبيأثر بشكل مباشر على شغلنا، ومهاراتنا، وحتى على الوظايف نفسها. في الفيديو ده، هنتكلم عن إزاي الذكاء الاصطناعي قلب موازين سوق العمل، إيه المهن اللي بدأت تختفي، وإيه اللي طلع جديد، وإزاي نجهز نفسنا للمستقبل اللي بدأ خلاص.