<?php
global $wpdb;

$widget_strings = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}icl_strings WHERE context = 'Widgets' AND name LIKE 'widget body - %'" );
foreach ( $widget_strings as $string ) {
	$wpdb->update( $wpdb->prefix . 'icl_strings', array( 'name' => 'widget body - ' . md5( $string->value ) ), array( 'id' => $string->id ) );
}

$widget_strings = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}icl_strings WHERE context = 'Widgets' AND name LIKE 'widget title - %'" );
foreach ( $widget_strings as $string ) {
	$wpdb->update( $wpdb->prefix . 'icl_strings', array( 'name' => 'widget title - ' . md5( $string->value ) ), array( 'id' => $string->id ) );
}


// Add a new `language_context` index to icl_strings table
$sql = "ALTER TABLE `{$wpdb->prefix}icl_strings` ADD INDEX `language_context` ( `context` , `language` )";
$wpdb->query( $sql );