dynamically call javascript function in php whit parameters

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I am creating a Video List dynamically. Here, I have added javascript onclick event dynamically; But, I have to call a javascript function which get parameter from php.
here is my php code:

PHP

while (($file = readdir($dh)) !== false) {

                    if ($file == ".") {
                        echo '..<br>';
                    } elseif ($file == "..") {
                        echo '..<br>';
                    } else {
                        echo ''. $file . '<br>';
                        echo '<br><video id="button_' . $i . '" autobuffer preload="auto" style="width:200px;height:300px"  src="videos/' . $file . '"  önclick=' . $ch . 'add(this.src)' . $ch . '></video>';
                        //echo '<br><input type="button" id="button_' . $i . '" class="mybuttons" value="Play" name="videos/' . $file . '" onclick=' . $ch . 'add(this.name)' . $ch . '/>';
                        $i = $i + 1;
                    }
                }

And my javascript function is:

JavaScript

function playVideo2() {
               var starttime = 2;  // start at 2 seconds
               var endtime = 6;    // stop at 4 seconds
               var b = <?php echo 'button_3'; ?>;
               var c = "'" + b + "'";
               var video = document.getElementById(c);
               video.play();
               setTimeout(function() {
                   video.pause();
               }, 125);
               //handler should be bound first
           }

And :

JavaScript

function playVideo() {
                var starttime = 2;  // start at 2 seconds
                var endtime = 6;    // stop at 4 seconds

                var video = document.getElementById('v0');
                video.play();
                setTimeout(function() {
                    video.pause();
                }, 125);
                //handler should be bound first
            }

In function playVideo2(), I have tried PHP there. This is not working while I have call this function from html. My html code:

HTML

<body  önload="playVideo();
                playVideo2();">
        <p id="time"></p>
        <video id="v0" controls tabindex="0" autobuffer preload>
            <source type="video/webm; codecs="vp8, vorbis"" src="videos/Wildlife.webm"></source>

            <p>Sorry, your browser does not support the <video> element.</p>
        </video>

Posted 28-Apr-13 3:01am

UL UL ALBAB

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Prasad Khandekar · Answer 1 · 2013-04-28T05:47:00

Hello,

Try changing the PHP code as shown below.

PHP

while (($file = readdir($dh)) !== false) {
    if ($file == ".") {
        echo '..<br>';
    } elseif ($file == "..") {
        echo '..<br>';
    } else {
        echo ''. $file . '<br>';
        echo '<br><video id="button_' . $i . '" autobuffer="" preload="auto" style="width:200px;height:300px" src="videos/' . $file . '" önclick="playVideo(this);"></video>';
        $i = $i + 1;
    }
}</br></br></br></br>

Your javascript function becomes something like one shown below.

JavaScript

function playVideo(vid) {
    var starttime = 2;  // start at 2 seconds
    var endtime = 6;    // stop at 4 seconds

    vid.play();
    setTimeout(function() {
        stopVideo(vid);
    }, 125);
}

function stopVideo(vid) {
   vid.pause();
}

Regards,