JezK

Edit File: AdminNotice.php

<?php

namespace PrestoPlayer\Services;

class AdminNotice {

const NOTICE_FIELD = 'presto_player_temp_admin_notice';

public static function displayAdminNotice() {
		$option      = get_option( self::NOTICE_FIELD );
		$message     = isset( $option['message'] ) ? $option['message'] : false;
		$noticeLevel = ! empty( $option['notice-level'] ) ? $option['notice-level'] : 'notice-error';

if ( $message ) {
			echo "<div class='notice {$noticeLevel} is-dismissible'><p>{$message}</p></div>";
			delete_option( self::NOTICE_FIELD );
		}
	}

public static function displayError( $message ) {
		self::updateOption( $message, 'notice-error' );
	}

public static function displayWarning( $message ) {
		self::updateOption( $message, 'notice-warning' );
	}

public static function displayInfo( $message ) {
		self::updateOption( $message, 'notice-info' );
	}

public static function displaySuccess( $message ) {
		self::updateOption( $message, 'notice-success' );
	}

protected static function updateOption( $message, $noticeLevel ) {
		update_option(
			self::NOTICE_FIELD,
			array(
				'message'      => $message,
				'notice-level' => $noticeLevel,
			)
		);
	}
}

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