script que pega os vídeos enviado ao youtube por um determinado usuário.

simplexml-youttube-tempo-execucao.php

<?php
$start = microtime(true);
header('Content-Type: text/html; charset=ISO-8859-1');
echo '<h3 style="color: #2e8ece; font-family: sans-serif; font-weight: normal !important; margin: 10px; width: 100%; text-align: center; clear:both;">Tempo inicial de execução do script: '.$start.'</h3>';


ini_set('display_errors', 1);
error_reporting(E_ALL);
?>


		<style>
			body{overflow: hidden;}
			.elastislide-wrapper{
				height: auto;
			}

			#multimedia {
			  position: relative;
			  padding-top: 0px;
			  height: 385px;
			  overflow: hidden;
			  padding-bottom: 0px;
			}
			.list-videos-h{
				margin: 2px; display: inline-block;
			}
		</style>


		<section class="fixed-bar">
			<!-- Elastislide Carousel -->
			<ul id="carousel" class="elastislide-list">

				<?php
		                    // método 2 - integração php (simple xml com api do youtube)

		                    // read feed into SimpleXML object
		                    $sxml = simplexml_load_file('http://gdata.youtube.com/feeds/api/users/GISCAEMPREENDIMENTOS/uploads');
		                    //$sxml = simplexml_load_file('http://gdata.youtube.com/feeds/api/users/TheVintronic/uploads');
		                    if(!$sxml) echo 'Erro ao carregar vídeos contate a <abbr title="envie um e-mail para atendimento@onservices.com.br">administração</abbr>.';


		                      $cont = 0;
		                        // iterate over entries in feed

		                        foreach ($sxml->entry as $entry) {
		                          // get nodes in media: namespace for media information
		                          $media = $entry->children('http://search.yahoo.com/mrss/');

		                          // get video player URL
		                          $attrs = $media->group->player->attributes();
		                          $watch = $attrs['url'];
		                            #transformando a url para uma válida
		                           $watch = str_replace('http://www.youtube.com/watch?v=',  'http://www.youtube.com/embed/', $watch);
		                           $watch = str_replace('&feature=youtube_gdata_player', '', $watch);

		                           //first vídeo url
		                           if($cont == 0)
		                           	$firstVideo = $watch;

		                          // get video thumbnail
		                          $attrs = $media->group->thumbnail[0]->attributes();
		                          $thumbnail = $attrs['url'];

		                          // get <yt:duration> node for video length
		                          $yt = $media->children('http://gdata.youtube.com/schemas/2007');
		                          $attrs = $yt->duration->attributes();
		                          $length = $attrs['seconds'];

		                          // get <yt:stats> node for viewer statistics
		                          $yt = $entry->children('http://gdata.youtube.com/schemas/2007');
		                          $attrs = $yt->statistics->attributes();
		                          $viewCount = (float) $attrs['viewCount'];
		                          //var_dump($viewCount);
		                          // get <gd:rating> node for video ratings
		                          $gd = $entry->children('http://schemas.google.com/g/2005');
		                          if ($gd->rating) {
		                            $attrs = $gd->rating->attributes();
		                            $rating = $attrs['average'];
		                          } else {
		                            $rating = 0;
		                          }

		                          //configurações de exibições
		                         if($viewCount == "1")
	                                 $youtube_rank = ($viewCount.' exibição</p>');
	                             else
	                             	if($viewCount == "0" || empty($viewCount))
	                                 $youtube_rank = 'nenhuma exibição</p>';
	                             else
	                                 $youtube_rank = ($viewCount).' exibições</p>';

	                              //título do vídeo
	                             $youtube_title = utf8_decode(substr(($media->group->title),0,100));

		                          echo '<li class="list-videos-h" style="width:150px !important; height: 117px !important;"><a href="'.$watch.'" data-rank="'.$youtube_rank.'" data-title="'.$youtube_title.'" class="youtube-list"><img width="150" height="117" src="'.$thumbnail.'"/></a></li>';


		                        }//fim foreach videos


		      ?>

				<ul>
			</section>
			<!-- End Elastislide Carousel -->

<?php
$end_time = microtime(true);
echo "<h2>End time: </h2>".$end_time.'<br>';
$time_taken = microtime(true) - $start;
echo '<h3 style="color: #2e8ece; font-family: sans-serif; font-weight: normal !important; margin: 10px; width: 100%; text-align: center; clear:both;">Tempo total de execução do script: '.$time_taken.' segs</h3>';
?>