How to Dynamically change Youtube Player video

<script src="https://www.youtube.com/iframe_api" type="text/javascript"></script>
<script type="text/javascript">
    /** List of youtube videos */
    var videos = new Array('tGiJSnwBwDQ', 'NjPCjCCjMH4', 'ioWkx6WRH2I')

    var currentId = -1;
    /** Create player object **/
    var player;
    function onYouTubeIframeAPIReady()
    {
        player = new YT.Player('youtubePlayerId', {events: {onReady: onPlayerReady, onStateChange: onPlayerStateChange}})
    }
    function onPlayerReady(event) {
        /** Mute the video **/
        player.mute();
        player.setVolume(0);
        /** Mute the video **/
        //player.playVideo();
    }
    function onPlayerStateChange(event) {
        /* If video stop */
        if (event.data === 0) {
            currentId++;
            if (videos.length <= (currentId + 1)) {
                currentId = 0;
            }
            player.loadVideoById(videos[currentId]);
        }
        /* If video stop */
    }
</script>
<iframe frameborder="0" height="350" id="youtubePlayerId" src="//www.youtube.com/embed/0Bmhjf0rKe8?rel=0&amp;modestbranding=1&amp;autoplay=0&amp;enablejsapi=1" type="text/html" width="390"></iframe>

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How to add Security in Website?

Server Signature invisible

Whatever technology you are using PHP, .Net, ASP etc you should not let to know other.

Hide the Server Signature.
Open php.ini file.

expose_php = on

to

expose_php = off

Add Following code in .htaccess

ServerSignature Off

XSS Protection header Enabled

Cross-site scripting (XSS) is a type of computer security vulnerability found in web applications. XSS enables attackers to inject client-side script into webpages.
We can add Protection layer to XSS attack by adding this on header.

Add Following code in .htaccess

Header set X-XSS-Protection "1; mode=block"

Content Security Policy (CSP)

It is an added layer of security that helps to detect and mitigate certain types of attacks, including Cross Site Scripting and data injection attacks.
This header is designed to specify how content interacts with your website.
Add Following code in .htaccess

Header set X-Content-Security-Policy "allow 'self';"

X-Content-Type-Options

 This header prevents "mime" based attacks. Add Following code in .htaccess

Header set X-Content-Type-Options "nosniff"

Protection From libwww-perl

LWP is a Perl modules that give Perl programming easy access to sending requests to the website. We can protect our website from this

Add Following code in .htaccess

RewriteCond %{HTTP_USER_AGENT} libwww-perl.* 
RewriteRule .* ? [F,L]

Always Use Https over http

An extra security layer because of SSL (Encryption, Data Integrity, Authentication )

X-Frame-Options

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Add Following code in .htaccess

Header set X-Frame-Options SAMEORIGIN

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