Вот метод внеднрения возможности вставки видео с ютуба для стандартного phpbb 2.х версии
#
#-----[ OPEN ]---------------------------------
#
includes/bbcode.php
#
#-----[ FIND ]---------------------------------
#
$EMBB_widths = array(''
#
#-----[ IN-LINE FIND ]---------------------------------
#
array(''
#
#-----[ IN-LINE AFTER, ADD ]---------------------------------
#
,'60'
#
#-----[ FIND ]---------------------------------
#
$EMBB_values = array(''
#
#-----[ IN-LINE FIND ]---------------------------------
#
$EMBB_values = array(''
#
#-----[ IN-LINE AFTER, ADD ]---------------------------------
#
,'YouTube'
#
#-----[ FIND ]------------------------------------------
#
$bbcode_tpl['email'] = str_replace('{EMAIL}', '\\1', $bbcode_tpl['email']);
#
#-----[ AFTER, ADD ]------------------------------------------
#
$bbcode_tpl['youtube'] = str_replace('{YOUTUBEID}', '\\1', $bbcode_tpl['youtube']);
$bbcode_tpl['youtube'] = str_replace('{YOUTUBELINK}', $lang['youtube_link'], $bbcode_tpl['youtube']);
#
#-----[ FIND ]------------------------------------------
#
$replacements[] = $bbcode_tpl['email'];
#
#-----[ AFTER, ADD ]------------------------------------------
#
// YouTube URL code..
$patterns[] = "#\[youtube\]http://(?:www\.)?youtube.com/watch\?v=([0-9A-Za-z-_]{11})[^[]*\[/youtube\]#is";
$replacements[] = $bbcode_tpl['youtube'];
#
#-----[ OPEN ]---------------------------------
#
language/lang_english/lang_main.php
#
#-----[ FIND ]---------------------------------
#
# NOTE: the full line to look for is:
#$lang['bbcode_f_help'] = "Font size: small text";
#
$lang['bbcode_f_help'] =
#
#-----[ AFTER, ADD ]---------------------------------
#
$lang['bbcode_help']['youtube'] = 'YouTube: YouTube URL';
$lang['youtube_link'] = 'Link';
#
#-----[ OPEN ]------------------------------------------
#
templates/subSilver/bbcode.tpl
#
#-----[ FIND ]------------------------------------------
#
<!-- BEGIN email --><a href="mailto:{EMAIL}">{EMAIL}</a><!-- END email -->
#
#-----[ AFTER, ADD ]------------------------------------------
#
<!-- BEGIN youtube -->
<object width="425" height="350">
<param name="movie" value="http://www.youtube.com/v/{YOUTUBEID}"></param>
<embed src="http://www.youtube.com/v/{YOUTUBEID}" type="application/x-shockwave-flash" width="425" height="350"></embed>
</object><br />
<a href="http://youtube.com/watch?v={YOUTUBEID}" target="_blank">{YOUTUBELINK}</a><br />
<!-- END youtube -->
#
#-----[ OPEN ]---------------------------------
#
templates/subSilver/posting_body.tpl
#
#-----[ FIND ]---------------------------------
#
# NOTE: the actual line to find is MUCH longer, containing all the bbcode tags
#
bbtags = new Array(
#
#-----[ IN-LINE FIND ]---------------------------------
#
'',''
#
#-----[ IN-LINE AFTER, ADD ]---------------------------------
#
,'',''
#
#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------
#
# EoM
Использовать так:
http://youtube.com/watch?v=UY0xwRIGOdc