friendica/mod/display.php

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PHP
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<?php
function display_init(App $a) {
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if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
return;
}
$nick = (($a->argc > 1) ? $a->argv[1] : '');
$profiledata = array();
// If there is only one parameter, then check if this parameter could be a guid
if ($a->argc == 2) {
$nick = "";
$itemuid = 0;
// Does the local user have this item?
if (local_user()) {
$r = qu("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
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AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
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if (dbm::is_result($r)) {
$nick = $a->user["nickname"];
$itemuid = local_user();
}
}
// Or is it anywhere on the server?
if ($nick == "") {
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$r = qu("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
`item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
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FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
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AND NOT `item`.`private` AND NOT `user`.`hidewall`
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AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
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if (dbm::is_result($r)) {
$nick = $r[0]["nickname"];
$itemuid = $r[0]["uid"];
}
}
// Is it an item with uid=0?
if ($nick == "") {
$r = qu("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`, `item`.`author-link`,
`item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
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FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
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AND NOT `item`.`private` AND `item`.`uid` = 0
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AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
}
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if (dbm::is_result($r)) {
if ($r[0]["id"] != $r[0]["parent"]) {
$r = qu("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND `id` = %d", $r[0]["parent"]);
}
if (($itemuid != local_user()) AND local_user()) {
// Do we know this contact but we haven't got this item?
// Copy the wohle thread to our local storage so that we can interact.
// We really should change this need for the future since it scales very bad.
$contactid = get_contact($r[0]['owner-link'], local_user());
if ($contactid) {
$items = qu("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id`", intval($r[0]["id"]));
foreach ($items AS $item) {
$itemcontactid = get_contact($item['owner-link'], local_user());
if (!$itemcontactid) {
$itemcontactid = $contactid;
}
unset($item['id']);
$item['uid'] = local_user();
$item['origin'] = 0;
$item['contact-id'] = $itemcontactid;
$local_copy = item_store($item, false, false, true);
logger("Stored local copy for post ".$item['guid']." under id ".$local_copy, LOGGER_DEBUG);
}
}
}
$profiledata = display_fetchauthor($a, $r[0]);
if (strstr(normalise_link($profiledata["url"]), normalise_link(App::get_baseurl()))) {
$nickname = str_replace(normalise_link(App::get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
if (($nickname != $a->user["nickname"])) {
$r = qu("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
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WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
dbesc($nickname)
);
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if (dbm::is_result($r)) {
$profiledata = $r[0];
}
$profiledata["network"] = NETWORK_DFRN;
} else {
$profiledata = array();
}
}
} else {
$a->error = 404;
notice(t('Item not found.') . EOL);
return;
}
}
profile_load($a, $nick, 0, $profiledata);
}
function display_fetchauthor($a, $item) {
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require_once("include/Contact.php");
$profiledata = array();
$profiledata["uid"] = -1;
$profiledata["nickname"] = $item["author-name"];
$profiledata["name"] = $item["author-name"];
$profiledata["picdate"] = "";
$profiledata["photo"] = $item["author-avatar"];
$profiledata["url"] = $item["author-link"];
$profiledata["network"] = $item["network"];
// Check for a repeated message
$skip = false;
$body = trim($item["body"]);
// Skip if it isn't a pure repeated messages
// Does it start with a share?
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if (!$skip AND strpos($body, "[share") > 0) {
$skip = true;
}
// Does it end with a share?
if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8))) {
$skip = true;
}
if (!$skip) {
$attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
// Skip if there is no shared message in there
if ($body == $attributes) {
$skip = true;
}
}
if (!$skip) {
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$author = "";
preg_match("/author='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "") {
$profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
}
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preg_match('/author="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "") {
$profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
}
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$profile = "";
preg_match("/profile='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "") {
$profiledata["url"] = $matches[1];
}
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preg_match('/profile="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "") {
$profiledata["url"] = $matches[1];
}
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$avatar = "";
preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "") {
$profiledata["photo"] = $matches[1];
}
preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "") {
$profiledata["photo"] = $matches[1];
}
$profiledata["nickname"] = $profiledata["name"];
$profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
$profiledata["address"] = "";
$profiledata["about"] = "";
}
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$profiledata = get_contact_details_by_url($profiledata["url"], local_user(), $profiledata);
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$profiledata["photo"] = App::remove_baseurl($profiledata["photo"]);
if (local_user()) {
if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
$profiledata["remoteconnect"] = App::get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
}
} elseif ($profiledata["network"] == NETWORK_DFRN) {
$connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
$profiledata["remoteconnect"] = $connect;
}
return($profiledata);
}
function display_content(App $a, $update = 0) {
if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
notice(t('Public access denied.') . EOL);
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return;
}
require_once('include/security.php');
require_once('include/conversation.php');
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require_once('include/acl_selectors.php');
$o = '';
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$a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
if ($update) {
$nick = $_REQUEST['nick'];
} else {
$nick = (($a->argc > 1) ? $a->argv[1] : '');
}
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if ($update) {
$item_id = $_REQUEST['item_id'];
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$a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
} else {
$item_id = (($a->argc > 2) ? $a->argv[2] : 0);
if ($a->argc == 2) {
$nick = "";
if (local_user()) {
$r = qu("SELECT `id` FROM `item`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
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AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
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if (dbm::is_result($r)) {
$item_id = $r[0]["id"];
$nick = $a->user["nickname"];
}
}
if ($nick == "") {
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$r = qu("SELECT `user`.`nickname`, `item`.`id` FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
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AND NOT `item`.`private` AND NOT `user`.`hidewall`
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AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
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// AND NOT `item`.`private` AND `item`.`wall`
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if (dbm::is_result($r)) {
$item_id = $r[0]["id"];
$nick = $r[0]["nickname"];
}
}
if ($nick == "") {
$r = qu("SELECT `item`.`id` FROM `item`
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WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
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AND NOT `item`.`private` AND `item`.`uid` = 0
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AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
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// AND NOT `item`.`private` AND `item`.`wall`
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if (dbm::is_result($r)) {
$item_id = $r[0]["id"];
}
}
}
}
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if ($item_id AND !is_numeric($item_id)) {
$r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($item_id), intval($a->profile['uid']));
if (dbm::is_result($r)) {
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$item_id = $r[0]["id"];
} else {
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$item_id = false;
}
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}
if (!$item_id) {
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$a->error = 404;
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notice(t('Item not found.').EOL);
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return;
}
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$groups = array();
$contact = null;
$remote_contact = false;
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$contact_id = 0;
if (is_array($_SESSION['remote'])) {
foreach ($_SESSION['remote'] as $v) {
if ($v['uid'] == $a->profile['uid']) {
$contact_id = $v['cid'];
break;
}
}
}
if ($contact_id) {
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$groups = init_groups_visitor($contact_id);
$r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
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intval($contact_id),
intval($a->profile['uid'])
);
if (dbm::is_result($r)) {
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$contact = $r[0];
$remote_contact = true;
}
}
if (!$remote_contact) {
if (local_user()) {
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$contact_id = $_SESSION['cid'];
$contact = $a->contact;
}
}
$r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
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intval($a->profile['uid'])
);
if (dbm::is_result($r)) {
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$a->page_contact = $r[0];
}
$is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
if ($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
notice(t('Access to this profile has been restricted.') . EOL);
return;
}
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// We need the editor here to be able to reshare an item.
if ($is_owner) {
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$x = array(
'is_owner' => true,
'allow_location' => $a->user['allow_location'],
'default_location' => $a->user['default-location'],
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'nickname' => $a->user['nickname'],
'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
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'acl' => populate_acl($a->user, true),
'bang' => '',
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'visitor' => 'block',
'profile_uid' => local_user(),
'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
);
$o .= status_editor($a,$x,0,true);
}
$sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
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if ($update) {
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$r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
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AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
$sql_extra AND `unseen`",
intval($a->profile['uid']),
intval($item_id)
);
if (!$r) {
return '';
}
}
$r = qu(item_query()." AND `item`.`uid` = %d
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AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
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$sql_extra
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ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
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intval($a->profile['uid']),
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intval($item_id)
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);
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if (!$r && local_user()) {
// Check if this is another person's link to a post that we have
$r = qu("SELECT `item`.uri FROM `item`
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WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
LIMIT 1",
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intval($item_id),
dbesc($item_id)
);
if (dbm::is_result($r)) {
$item_uri = $r[0]['uri'];
$r = qu(item_query()." AND `item`.`uid` = %d
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AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
intval(local_user()),
dbesc($item_uri),
intval(local_user())
);
}
}
if ($r) {
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if ((local_user()) && (local_user() == $a->profile['uid'])) {
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$unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
intval($r[0]['parent']));
if ($unseen) {
q("UPDATE `item` SET `unseen` = 0 WHERE `parent` = %d AND `unseen`",
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intval($r[0]['parent'])
);
}
}
$items = conv_sort($r,"`commented`");
if (!$update) {
$o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
}
$o .= conversation($a,$items,'display', $update);
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// Preparing the meta header
require_once('include/bbcode.php');
require_once("include/html2plain.php");
$description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
$title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
$author_name = $r[0]["author-name"];
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$image = $a->remove_baseurl($r[0]["thumb"]);
if ($title == "") {
$title = $author_name;
}
$description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
$title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
$author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
//<meta name="keywords" content="">
$a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
// Schema.org microdata
$a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
$a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
// Twitter cards
$a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
$a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
// Dublin Core
$a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
// Open Graph
$a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
// article:tag
return $o;
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}
$r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
dbesc($item_id),
dbesc($item_id)
);
if ($r) {
if ($r[0]['deleted']) {
notice(t('Item has been removed.') . EOL );
} else {
notice(t('Permission denied.') . EOL );
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}
} else {
notice(t('Item not found.') . EOL );
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}
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return $o;
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}