Converting youtube url's to embeded video problems

jkewlo · October 17, 2010

Hello everyone

I am working on a blog system. and I am having problems with the youtube video embed I have found some script online that kinda works

If I post more then one youtube link the player shows up.. but it says movie not loaded. if I post just one video it just shows the url to the video on youtube.

here is my youtube_function.php

<?PHP
//convert youtube links into embede

function show_youtube($text)
{
$VID_WID = 320;
$VID_HEI = 240;

for ($k=0; $k<9; $k++)
{
	$text .= "";
	$find = 'youtube.com/watch?v=';
	$pos = strpos($text, $find);
	if ($pos == false)
	{
		break;
	}
	$len = strlen($text);
	for ($i=$pos; $i>=0; $i--)
	{
		if (substr($text, $i, 6) == 'http://')
		{
			$pos1 = $i;
			break;
		}
	}
	for ($i=$pos; $i<$len; $i++)
	{
		if (in_array($text[$i], array('&', ' ', "\r", "\n", ',', "\t")))
		{
			$pos2 = $i;
			break;
		}
	}
	$link1 = substr($text, $pos1, $pos2 - $pos1);
	$link2 = str_replace('/watch?v=', '/v/', $link1);

	$embed =	'<object width="' . $VID_WID . '" height="' . $VID_HEI . '">'.
				'<param name="movie" value="' . $link2 . '"></param>'.
				'<param name="allowFullScreen" value="true"></param>'.
				'<param name="allowscriptaccess" value="always"></param>'.
				'<embed src="' . $link2 . '" type="application/x-shockwave-flash" '.
				'allowscriptaccess="always" allowfullscreen="true" '.
				'width="' . $VID_WID . '" height="' . $VID_HEI . '"></embed></object>';

	$text = str_replace($link1, $embed, $text);
}
return $text;
}
?>

and I have index.php

<?php
session_start();
include ("includes/includes.php");
include ("includes/youtube_function.php");

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<link rel="stylesheet" href="includes/style.css" type="text/css" media="screen" title="no title" charset="utf-8">
<title>Simple Blogging System</title>

</head>

<body>
<div id="wrap">
<div id="header"><h1>Simple Blogging System<br /><font size="6">*Keep it simple*</font></h1></div>
<div id="nav">
<center>
Link Link Link
</center>
</div>
<div id="main">
  <div id="blogPosts">
<?php

$blogPosts = GetBlogPosts();

foreach ($blogPosts as $post)
{
	echo "<div class='post'>";
	echo "<h2>" . $post->title . "</h2>";
	echo show_youtube($post->post, $text);
	echo "<span class='footer'>Posted By: " . $post->author . " Posted On: " . $post->datePosted . " Tags: " . $post->tags . "</span>";
	echo "</div>";

?>
    <br />
    <?php
    }
?>
</div>
</div>
<div id="sidebar">
<h2>Archive</h2>

<p> old </p>
<p> old </p>
<p> old </p>
</div>
<div id="footer">
<p>Simple Blogging System</p>
</div>
</div>
</body>

</html>

so as you can see I have show_youtube($post->post, $text); I have tried this just out of curiosity to see if I could fix this myself. but It seems like the video does not want to run at all... I am confused with this and some help would be greatly appreciated.

Thank you in advance

PaulRyan · October 17, 2010

So this function, it searches the text iputted for youtube links, then converts them to Youtube Embeds?

Just so its clear thats all, then I may be able to help you further

Regards, Paul.

jkewlo · October 17, 2010

yes, that is correct. as I said it will only work if I use more then 1 youtube link ans show where the video embed will be but it gives the white box and movie not loaded if you right click it.

PaulRyan · October 17, 2010

Rightio gotcha now, I'll have a quick look at your current function and see what I can do.

Would you be totally against a whole new function? Or would I have to edit your current one?

Regards, Paul.

jkewlo · October 17, 2010

nope a new function would be fine.

ill post the rest of my functions as well

This is

includes/includes.php

<?php
include 'blogpost.php';

// Change this info so that it works with your system.
$connection = mysql_connect('localhost', '***', '***') or die ("<p class='error'>Sorry, we were unable to connect to the database server.</p>");
$database = "grind3r_blog";
mysql_select_db($database, $connection) or die ("<p class='error'>Sorry, we were unable to connect to the database.</p>");

function GetBlogPosts($inId=null, $inTagId =null)
{
if (!empty($inId))
{
	$query = mysql_query("SELECT * FROM blog_posts WHERE id = " . $inId . " ORDER BY id DESC"); 
}
else if (!empty($inTagId))
{
	$query = mysql_query("SELECT blog_posts.* FROM blog_post_tags LEFT JOIN (blog_posts) ON (blog_post_tags.postID = blog_posts.id) WHERE blog_post_tags.tagID =" . $tagID . " ORDER BY blog_posts.id DESC");
}
else
{
	$query = mysql_query("SELECT * FROM blog_posts ORDER BY id DESC");
}

$postArray = array();
while ($row = mysql_fetch_assoc($query))
{
	$myPost = new BlogPost($row["id"], $row['title'], $row['post'], $row['postfull'], $row["author_id"], $row['date_posted']);
	array_push($postArray, $myPost);
}
return $postArray;
}
?>

and blogpost.php

<?php

class BlogPost
{

public $id;
public $title;
public $post;
public $author;
public $tags;
public $datePosted;
public $archive;



function __construct($inId=null, $inTitle=null, $inPost=null, $inPostFull=null, $inAuthorId=null, $inDatePosted=null, $inArchive=null)
{
if (!empty($inId))
{
	$this->id = $inId;
}
if (!empty($inTitle))
{
	$this->title = $inTitle;
}
if (!empty($inPost))
{
	$this->post = $inPost;
}

if (!empty($inDatePosted))
{
	$splitDate = explode("-", $inDatePosted);
	$this->datePosted = $splitDate[1] . "/" . $splitDate[2] . "/" . $splitDate[0];
}

if (!empty($inAuthorId))
{
	$query = mysql_query("SELECT first_name, last_name FROM people WHERE id = " . $inAuthorId);
	$row = mysql_fetch_assoc($query);
	$this->author = $row["first_name"] . " " . $row["last_name"];
}

$postTags = "No Tags";
if (!empty($inId))
{
	$query = mysql_query("SELECT tags.* FROM blog_post_tags LEFT JOIN (tags) ON (blog_post_tags.tag_id = tags.id) WHERE blog_post_tags.blog_post_id = " . $inId);
	$tagArray = array();
	$tagIDArray = array();
	while($row = mysql_fetch_assoc($query))
	{
		array_push($tagArray, $row["name"]);
		array_push($tagIDArray, $row["id"]);
	}
	if (sizeof($tagArray) > 0)
	{
		foreach ($tagArray as $tag)
		{
			if ($postTags == "No Tags")
			{
				$postTags = $tag;
			}
			else
			{
				$postTags = $postTags . ", " . $tag;
			}
		}
	}
}
$this->tags = $postTags;
}

}

?>

I hope this helps you some.. This is my first time trying to write a blog system.

PaulRyan · October 18, 2010

For this function to work the Youtube URL's should be full URL's, for example http://www.youtube.com/watch?v=m4PQyOOuxBU

<?php

  function youtubeVideos($inputString) {

    $videoWidth  = 320;
    $videoHeight = 240;

    $string  = explode('http://www.youtube.com/watch?v=',$inputString);
    $count   = count($string);
    $videoArray = array();
    $finalArray = array();
    $outputString = $string[0];

      for($i=1; $i<$count; $i++) {
        array_push($videoArray, substr($string[$i],0,11));
      }

    $videoCount = count($videoArray); 

      for($i=0; $i<$videoCount; $i++) {
        $embed = '<object width="' . $videoWidth . '" height="' . $videoHeight . '">'.
                 '<param name="movie" value="http://www.youtube.com/v/' . $videoArray[$i] . '"></param>'.
                 '<param name="allowFullScreen" value="true"></param>'.
                 '<param name="allowscriptaccess" value="always"></param>'.
                 '<embed src="http://www.youtube.com/v/' . $videoArray[$i] . '" type="application/x-shockwave-flash" '.
                 'allowscriptaccess="always" allowfullscreen="true" '.
                 'width="' . $videoWidth . '" height="' . $videoHeight . '"></embed></object>';
        array_push($finalArray, $embed);
      }

      for($i=1; $i<$count; $i++) {
       $outputString .= $finalArray[$i-1].substr($string[$i],11);
      }

    if($outputString) {
      return $outputString;
    } else {
      return $inputString;
    }
  }

  $myPost = 'BarnYard, such a funny but compelling movie.
I love one of the main characters Ben, such a role model for young kids.
This movie also has a great cover of the classic Johnny Cash song "I won\'t back down" listen to it below. 
http://www.youtube.com/watch?v=m4PQyOOuxBU
(I love that song to be honest)';

  echo nl2br(youtubeVideos($myPost));

?>

Try it out and tell me how it goes bud.

Regards, Paul.

jkewlo · October 19, 2010

It works Great!! thanks.

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Converting youtube url's to embeded video problems

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