Bypass WordPress theme update notification. বাংলা টিউটোরিয়ালঃ http://obiplabon.im/745/bypass-wordpress-theme-update-notification/

bypass-wp-theme-update.php

<?php
/**
 * Disable theme update notification
 *
 * Disabled this notification because there is a theme
 * in WP theme directory with same name.
 * We'll do this based on author name as author won't be same
 * 
 * @param  array $theme Installed themes information
 * @return array        Modified information
 */
function op_disable_theme_update_notification( $theme ) {
    $slug = 'theme-slug';
	if ( isset( $theme[$slug] ) && $theme[$slug]['author'] == 'Theme Author' ) {
		$theme[$slug]['hasUpdate'] = false;
	}
	return $theme;
}
add_filter( 'wp_prepare_themes_for_js', 'op_disable_theme_update_notification' );