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我使用一個稱爲gridby的WordPress主題，它使用自己的插件將特色圖像更改爲vimeo或youtube的iframe，當fb_video字段包含帖子編輯器中的鏈接時並將視頻圖像顯示在博客提要頁面和帖子中的iframe中而不是特色圖像。我只用它作爲一個vimeo鏈接到目前爲止工作正常，今天只是試圖把youtube視頻鏈接與/ embed在最後，沒有，仍然顯示錯誤。它不是我的代碼，所以如果有人能夠幫助我變得更好，我不需要進一步制動它，因爲我需要這個功能。我把iframe放到編輯器的空白文章中，顯示的不錯，只是不能通過PHP代碼顯示。Youtube嵌入和PHP顯示iframe但顯示錯誤
/* ------------------------------------------------------------------------- *
* Video Functions
/* ------------------------------------------------------------------------- */
/* display url image big youtube and vimeo
/* ------------------------------------ */
if (!function_exists('video_image')) {
function video_image($url, $size){
$image_url = parse_url($url);
if($size == 'small') {
if($image_url['host'] == 'www.youtube.com' || $image_url['host'] == 'youtube.com'){
$array = explode("&", $image_url['query']);
return "http://img.youtube.com/vi/".substr($array[0], 2)."/1.jpg";
} else if($image_url['host'] == 'www.vimeo.com' || $image_url['host'] == 'vimeo.com'){
$hash = unserialize(file_get_contents("http://vimeo.com/api/v2/video/".substr($image_url['path'], 1).".php"));
return $hash[0]["thumbnail_small"];
}
} else if($size == 'hd') {
if($image_url['host'] == 'www.youtube.com' || $image_url['host'] == 'youtube.com'){
$array = explode("&", $image_url['query']);
return "http://img.youtube.com/vi/".substr($array[0], 2)."/hqdefault.jpg";
} else if($image_url['host'] == 'www.vimeo.com' || $image_url['host'] == 'vimeo.com'){
$hash = unserialize(file_get_contents("http://vimeo.com/api/v2/video/".substr($image_url['path'], 1).".php"));
return $hash[0]["thumbnail_large"];
}
}
}
}
/* display iframe of youtube and vimeo
/* ------------------------------------ */
if (!function_exists('video_player')) {
function video_player($url, $autoplay){
$image_url = parse_url($url);
if($autoplay == '1') {
if($image_url['host'] == 'www.youtube.com' || $image_url['host'] == 'youtube.com'){
$array = explode("&", $image_url['query']);
return "<iframe title='YouTube video player' width='400' height='275' src='http://www.youtube.com/embed/".substr($array[0], 2)."?wmode=trasparent&autoplay=1' frameborder='0' wmode='opaque' allowfullscreen></iframe>";
} else if($image_url['host'] == 'www.vimeo.com' || $image_url['host'] == 'vimeo.com'){
return "<iframe src='http://player.vimeo.com/video/".substr($image_url['path'], 1)."?autoplay=true' width='400' height='275' frameborder='0' allowfullscreen'></iframe>";
}
} else {
if($image_url['host'] == 'www.youtube.com' || $image_url['host'] == 'youtube.com'){
$array = explode("&", $image_url['query']);
return "<iframe title='YouTube video player' width='400' height='275' src='http://www.youtube.com/embed/".substr($array[0], 2)."?wmode=trasparent' frameborder='0' wmode='opaque' allowfullscreen></iframe>";
} else if($image_url['host'] == 'www.vimeo.com' || $image_url['host'] == 'vimeo.com'){
return "<iframe src='http://player.vimeo.com/video/".substr($image_url['path'], 1)."' width='400' height='275' frameborder='0' allowfullscreen'></iframe>";
}
}
}
}
/* ------------------------------------------------------------------------- *
* Filter Thumbnail
/* ------------------------------------------------------------------------- */
add_filter('post_thumbnail_html', 'post_thumbnail_html', 10, 3);
function post_thumbnail_html($html, $post_id, $post_image_id) {
$video = get_post_meta($post_id, 'fb_video', true);
if ($html) { /* If have thumbnail image set */
if ($video != '') {
if (is_single()){ /* Show playe on single page */
if(function_exists('video_player')) {
?>
<div class='video-container'><?php echo video_player($video, 0); ?></div>
<?php
}
} else {
echo '<i class="fa fa-play-circle fa-4x"></i>'. $html;
}
} else {
echo $html;
}
} else { /* If haven't thumbnail image set */
if ($video != '') {
if (is_single()){ /* Show playe on single page */
if(function_exists('video_player')) {
?>
<div class='video-container'><?php echo video_player($video, 0); ?></div>
<?php
}
} else {
echo '<i class="fa fa-play-circle fa-4x"></i><img class="img-res" src="'. video_image($video, 'hd').'" alt="' . esc_attr(get_post_field('post_title', $post_id)) . '" />';
}
}
}
}
?>