" => array(123xyz,246qyo,sxo33e);
$ret = array();
if(strlen($s)) {
$t = str_replace('<','',$s);
$a = explode('>',$t);
foreach($a as $aa) {
if($aa)
$ret[] = $aa;
}
}
return $ret;
}
// Used to wrap ACL elements in angle brackets for storage
function sanitise_acl(&$item) {
if(strlen($item))
$item = '<' . notags(trim($item)) . '>';
else
unset($item);
}
// Convert an ACL array to a storable string
function perms2str($p) {
$ret = '';
if(is_array($p))
$tmp = $p;
else
$tmp = explode(',',$p);
if(is_array($tmp)) {
array_walk($tmp,'sanitise_acl');
$ret = implode('',$tmp);
}
return $ret;
}
// generate a guaranteed unique (for this domain) item ID for ATOM
// safe from birthday paradox
function item_message_id() {
do {
$dups = false;
$hash = random_string();
$mid = $hash . '@' . get_app()->get_hostname();
$r = q("SELECT `id` FROM `item` WHERE `mid` = '%s' LIMIT 1",
dbesc($mid));
if(count($r))
$dups = true;
} while($dups == true);
return $mid;
}
// Generate a guaranteed unique photo ID.
// safe from birthday paradox
function photo_new_resource() {
do {
$found = false;
$resource = hash('md5',uniqid(mt_rand(),true));
$r = q("SELECT `id` FROM `photo` WHERE `resource_id` = '%s' LIMIT 1",
dbesc($resource)
);
if(count($r))
$found = true;
} while($found == true);
return $resource;
}
// for html,xml parsing - let's say you've got
// an attribute foobar="class1 class2 class3"
// and you want to find out if it contains 'class3'.
// you can't use a normal sub string search because you
// might match 'notclass3' and a regex to do the job is
// possible but a bit complicated.
// pass the attribute string as $attr and the attribute you
// are looking for as $s - returns true if found, otherwise false
function attribute_contains($attr,$s) {
$a = explode(' ', $attr);
if(count($a) && in_array($s,$a))
return true;
return false;
}
function logger($msg,$level = 0) {
// turn off logger in install mode
global $a;
global $db;
if(($a->module == 'install') || (! ($db && $db->connected))) return;
$debugging = get_config('system','debugging');
$loglevel = intval(get_config('system','loglevel'));
$logfile = get_config('system','logfile');
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
@file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
return;
}
// This is a special logging facility for developers. It allows one to target specific things to trace/debug
// and is identical to logger() with the exception of the log filename. This allows one to isolate specific
// calls while allowing logger() to paint a bigger picture of overall activity and capture more detail.
// If you find dlogger() calls in checked in code, you are free to remove them - so as to provide a noise-free
// development environment which responds to events you are targetting personally.
function dlogger($msg,$level = 0) {
// turn off logger in install mode
global $a;
global $db;
if(($a->module == 'install') || (! ($db && $db->connected))) return;
$debugging = get_config('system','debugging');
$loglevel = intval(get_config('system','loglevel'));
$logfile = get_config('system','dlogfile');
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
@file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
return;
}
function profiler($t1,$t2,$label) {
if(file_exists('profiler.out') && $t1 && t2)
@file_put_contents('profiler.out', sprintf('%01.4f %s',$t2 - $t1,$label) . "\n", FILE_APPEND);
}
function activity_match($haystack,$needle) {
if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
return true;
return false;
}
// Pull out all #hashtags and @person tags from $s;
// We also get @person@domain.com - which would make
// the regex quite complicated as tags can also
// end a sentence. So we'll run through our results
// and strip the period from any tags which end with one.
// Returns array of tags found, or empty array.
function get_tags($s) {
$ret = array();
// ignore anything in a code block
$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
// Match full names against @tags including the space between first and last
// We will look these up afterward to see if they are full names or not recognisable.
if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$match)) {
foreach($match[1] as $mtch) {
if(strstr($mtch,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
if(substr($mtch,-1,1) === '.')
$ret[] = substr($mtch,0,-1);
else
$ret[] = $mtch;
}
}
// Otherwise pull out single word tags. These can be @nickname, @first_last
// and #hash tags.
if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) {
foreach($match[1] as $mtch) {
if(strstr($mtch,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
if(substr($mtch,-1,1) === '.')
$mtch = substr($mtch,0,-1);
// ignore strictly numeric tags like #1
if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
continue;
// try not to catch url fragments
if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1)))
continue;
$ret[] = $mtch;
}
}
return $ret;
}
// quick and dirty quoted_printable encoding
function qp($s) {
return str_replace ("%","=",rawurlencode($s));
}
function get_mentions($item,$tags) {
$o = '';
if(! count($tags))
return $o;
foreach($tags as $x) {
if($x['type'] == TERM_MENTION) {
$o .= "\t\t" . '';
$o .= '
';
return $o;
}
function valid_email($x){
if(get_config('system','disable_email_validation'))
return true;
if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
return true;
return false;
}
/**
*
* Function: linkify
*
* Replace naked text hyperlink with HTML formatted hyperlink
*
*/
function linkify($s) {
$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\@\~\#\'\%\$\!\+]*)/", ' $1 ', $s);
$s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
return($s);
}
function get_poke_verbs() {
// index is present tense verb
// value is array containing past tense verb, translation of present, translation of past
$arr = array(
'poke' => array( 'poked', t('poke'), t('poked')),
'ping' => array( 'pinged', t('ping'), t('pinged')),
'prod' => array( 'prodded', t('prod'), t('prodded')),
'slap' => array( 'slapped', t('slap'), t('slapped')),
'finger' => array( 'fingered', t('finger'), t('fingered')),
'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')),
);
call_hooks('poke_verbs', $arr);
return $arr;
}
function get_mood_verbs() {
// index is present tense verb
// value is array containing past tense verb, translation of present, translation of past
$arr = array(
'happy' => t('happy'),
'sad' => t('sad'),
'mellow' => t('mellow'),
'tired' => t('tired'),
'perky' => t('perky'),
'angry' => t('angry'),
'stupefied' => t('stupified'),
'puzzled' => t('puzzled'),
'interested' => t('interested'),
'bitter' => t('bitter'),
'cheerful' => t('cheerful'),
'alive' => t('alive'),
'annoyed' => t('annoyed'),
'anxious' => t('anxious'),
'cranky' => t('cranky'),
'disturbed' => t('disturbed'),
'frustrated' => t('frustrated'),
'motivated' => t('motivated'),
'relaxed' => t('relaxed'),
'surprised' => t('surprised'),
);
call_hooks('mood_verbs', $arr);
return $arr;
}
/**
*
* Function: smilies
*
* Description:
* Replaces text emoticons with graphical images
*
* @Parameter: string $s
*
* Returns string
*
* It is expected that this function will be called using HTML text.
* We will escape text between HTML pre and code blocks from being
* processed.
*
* At a higher level, the bbcode [nosmile] tag can be used to prevent this
* function from being executed by the prepare_text() routine when preparing
* bbcode source for HTML display
*
*/
function smilies($s, $sample = false) {
$a = get_app();
if(intval(get_config('system','no_smilies'))
|| (local_user() && intval(get_pconfig(local_user(),'system','no_smilies'))))
return $s;
$s = preg_replace_callback('/(.*?)<\/pre>/ism','smile_encode',$s);
$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_encode',$s);
$texts = array(
'<3',
'</3',
'<\\3',
':-)',
';-)',
':-(',
':-P',
':-p',
':-"',
':-"',
':-x',
':-X',
':-D',
'8-|',
'8-O',
':-O',
'\\o/',
'o.O',
'O.o',
'o_O',
'O_o',
":'(",
":-!",
":-/",
":-[",
"8-)",
':beer',
':homebrew',
':coffee',
':facepalm',
':like',
':dislike',
'red#',
'r#',
'~friendica'
);
$icons = array(
'~friendica '
);
$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
call_hooks('smilie', $params);
if($sample) {
$s = '';
for($x = 0; $x < count($params['texts']); $x ++) {
$s .= '
' . $params['texts'][$x] . ' ' . $params['icons'][$x] . ' ';
}
}
else {
$params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']);
$s = str_replace($params['texts'],$params['icons'],$params['string']);
}
$s = preg_replace_callback('/
(.*?)<\/pre>/ism','smile_decode',$s);
$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_decode',$s);
return $s;
}
function smile_encode($m) {
return(str_replace($m[1],base64url_encode($m[1]),$m[0]));
}
function smile_decode($m) {
return(str_replace($m[1],base64url_decode($m[1]),$m[0]));
}
// expand <3333 to the correct number of hearts
function preg_heart($x) {
$a = get_app();
if(strlen($x[1]) == 1)
return $x[0];
$t = '';
for($cnt = 0; $cnt < strlen($x[1]); $cnt ++)
$t .= '' . $icon . ' ';
$attaches[] = array('title' => $title, 'url' => $url, 'icon' => $icon );
}
}
$s = replace_macros(get_markup_template('item_attach.tpl'), array(
'$attaches' => $attaches
));
return $s;
}
function format_categories(&$item,$writeable) {
$s = '';
$terms = get_terms_oftype($item['term'],TERM_CATEGORY);
if($terms) {
$categories = array();
foreach($terms as $t) {
$term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') ;
if(! trim($term))
continue;
$removelink = (($writeable) ? z_root() . '/filerm/' . $item['id'] . '?f=&cat=' . urlencode($t['term']) : '');
$categories[] = array('term' => $term, 'writeable' => $writeable, 'removelink' => $removelink, 'url' => $t['url']);
}
}
$s = replace_macros(get_markup_template('item_categories.tpl'),array(
'$remove' => t('remove category'),
'$categories' => $categories
));
return $s;
}
function format_filer(&$item) {
$s = '';
$terms = get_terms_oftype($item['term'],TERM_FILE);
if($terms) {
$categories = array();
foreach($terms as $t) {
$term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') ;
if(! trim($term))
continue;
$removelink = z_root() . '/filerm/' . $item['id'] . '?f=&term=' . urlencode($t['term']);
$categories[] = array('term' => $term, 'removelink' => $removelink);
}
}
$s = replace_macros(get_markup_template('item_filer.tpl'),array(
'$remove' => t('remove from file'),
'$categories' => $categories
));
return $s;
}
function prepare_body(&$item,$attach = false) {
$a = get_app();
call_hooks('prepare_body_init', $item);
unobscure($item);
$s = prepare_text($item['body'],$item['mimetype']);
$prep_arr = array('item' => $item, 'html' => $s);
call_hooks('prepare_body', $prep_arr);
$s = $prep_arr['html'];
if(! $attach) {
return $s;
}
$s .= theme_attachments($item);
$writeable = ((get_observer_hash() == $item['owner_xchan']) ? true : false);
$s .= format_categories($item,$writeable);
if(local_user() == $item['uid'])
$s .= format_filer($item);
// Look for spoiler
$spoilersearch = '';
// Remove line breaks before the spoiler
while ((strpos($s, "\n".$spoilersearch) !== false))
$s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
while ((strpos($s, "'.sprintf(t('Click to open/close')).' '.
'';
$s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch));
}
// Look for quote with author
$authorsearch = '';
while ((strpos($s, $authorsearch) !== false)) {
$pos = strpos($s, $authorsearch);
$rnd = random_string(8);
$authorreplace = ''.sprintf(t('Click to open/close')).' '.
'';
$s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch));
}
$prep_arr = array('item' => $item, 'html' => $s);
call_hooks('prepare_body_final', $prep_arr);
return $prep_arr['html'];
}
// Given a text string, convert from bbcode to html and add smilie icons.
function prepare_text($text,$content_type = 'text/bbcode') {
switch($content_type) {
case 'text/plain':
$s = escape_tags($text);
break;
case 'text/html':
$s = $text;
break;
case 'text/markdown':
require_once('library/markdown.php');
$s = Markdown($text);
break;
// No security checking is done here at display time - so we need to verify
// that the author is allowed to use PHP before storing. We also cannot allow
// importation of PHP text bodies from other sites. Therefore this content
// type is only valid for web pages (and profile details).
// It may be possible to provide a PHP message body which is evaluated on the
// sender's site before sending it elsewhere. In that case we will have a
// different content-type here.
case 'application/x-php':
ob_start();
eval($text);
$s = ob_get_contents();
ob_end_clean();
break;
case 'text/bbcode':
case '':
default:
require_once('include/bbcode.php');
if(stristr($text,'[nosmile]'))
$s = bbcode($text);
else
$s = smilies(bbcode($text));
$s = zidify_links($s);
break;
}
//logger('prepare_text: ' . $s);
return $s;
}
/**
* zidify_callback() and zidify_links() work together to turn any HTML a tags with class="zrl" into zid links
* These will typically be generated by a bbcode '[zrl]' tag. This is done inside prepare_text() rather than bbcode()
* because the latter is used for general purpose conversions and the former is used only when preparing text for
* immediate display.
*
* Issues: Currently the order of HTML parameters in the text is somewhat rigid and inflexible.
* We assume it looks like and will not work if zrl and href appear in a different order.
*/
function zidify_callback($match) {
if (feature_enabled(local_user(),'sendzid')) {
$replace = '';
$empty_selected = (($current === '') ? ' selected="selected" ' : '');
$o .= '' . t('default') . ' ';
foreach($r as $rr) {
$selected = (($rr['mid'] == $current) ? ' selected="selected" ' : '');
$o .= '' . $rr['sid'] . ' ';
}
$o .= ' ';
}
return $o;
}
function mimetype_select($channel_id, $current = 'text/bbcode') {
$x = array(
'text/bbcode',
'text/html',
'text/markdown',
'text/plain'
);
$r = q("select account_id, account_roles from account left join channel on account_id = channel_account_id where
channel_id = %d limit 1",
intval($channel_id)
);
if($r) {
if($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE) {
if(local_user() && get_account_id() == $r[0]['account_id'])
$x[] = 'application/x-php';
}
}
$o = t('Page content type: ');
$o .= '';
foreach($x as $y) {
$select = (($y == $current) ? ' selected="selected" ' : '');
$o .= '' . $y . ' ';
}
$o .= ' ';
return $o;
}
function lang_selector() {
global $a;
$langs = glob('view/*/strings.php');
$lang_options = array();
$selected = "";
if(is_array($langs) && count($langs)) {
$langs[] = '';
if(! in_array('view/en/strings.php',$langs))
$langs[] = 'view/en/';
asort($langs);
foreach($langs as $l) {
if($l == '') {
$lang_options[""] = t('default');
continue;
}
$ll = substr($l,5);
$ll = substr($ll,0,strrpos($ll,'/'));
$selected = (($ll === $a->language && (x($_SESSION, 'language'))) ? $ll : $selected);
$lang_options[$ll]=$ll;
}
}
$tpl = get_markup_template("lang_selector.tpl");
$o = replace_macros($tpl, array(
'$title' => t('Select an alternate language'),
'$langs' => array($lang_options, $selected),
));
return $o;
}
function return_bytes ($size_str) {
switch (substr ($size_str, -1))
{
case 'M': case 'm': return (int)$size_str * 1048576;
case 'K': case 'k': return (int)$size_str * 1024;
case 'G': case 'g': return (int)$size_str * 1073741824;
default: return $size_str;
}
}
function generate_user_guid() {
$found = true;
do {
$guid = random_string(16);
$x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
dbesc($guid)
);
if(! count($x))
$found = false;
} while ($found == true );
return $guid;
}
function base64url_encode($s, $strip_padding = true) {
$s = strtr(base64_encode($s),'+/','-_');
if($strip_padding)
$s = str_replace('=','',$s);
return $s;
}
function base64url_decode($s) {
if(is_array($s)) {
logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
return $s;
}
/*
* // Placeholder for new rev of salmon which strips base64 padding.
* // PHP base64_decode handles the un-padded input without requiring this step
* // Uncomment if you find you need it.
*
* $l = strlen($s);
* if(! strpos($s,'=')) {
* $m = $l % 4;
* if($m == 2)
* $s .= '==';
* if($m == 3)
* $s .= '=';
* }
*
*/
return base64_decode(strtr($s,'-_','+/'));
}
function cleardiv() {
return '
';
}
function bb_translate_video($s) {
$matches = null;
$r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
if($r) {
foreach($matches as $mtch) {
if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
$s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
elseif(stristr($mtch[1],'vimeo'))
$s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
}
}
return $s;
}
function html2bb_video($s) {
$s = preg_replace('#]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)#ism',
'[vimeo]$2[/vimeo]', $s);
return $s;
}
/**
* apply xmlify() to all values of array $val, recursively
*/
function array_xmlify($val){
if (is_bool($val)) return $val?"true":"false";
if (is_array($val)) return array_map('array_xmlify', $val);
return xmlify((string) $val);
}
function reltoabs($text, $base)
{
if (empty($base))
return $text;
$base = rtrim($base,'/');
$base2 = $base . "/";
// Replace links
$pattern = "/]*) href=\"(?!http|https|\/)([^\"]*)\"/";
$replace = " 1900) {
$y = date('Y');
if($i <= $y+1 && strpos($s,'-') == 4) {
$m = intval(substr($s,5));
if($m > 0 && $m <= 12)
return true;
}
}
return false;
}
function legal_webbie($s) {
if(! strlen($s))
return '';
$x = $s;
do {
$s = $x;
$x = preg_replace('/^([^a-z])(.*?)/',"$2",$s);
} while($x != $s);
return preg_replace('/([^a-z0-9\-\_])/','',$x);
}
function check_webbie($arr) {
$str = '';
$taken = array();
if(count($arr)) {
foreach($arr as $x) {
$y = legal_webbie($x);
if(strlen($y)) {
if($str)
$str .= ',';
$str .= "'" . dbesc($y) . "'";
}
}
if(strlen($str)) {
$r = q("select channel_address from channel where channel_address in ( $str ) ");
if(count($r)) {
foreach($r as $rr) {
$taken[] = $rr['channel_address'];
}
}
foreach($arr as $x) {
if(! in_array($x,$taken)) {
return $x;
}
}
}
}
return '';
}
function ids_to_querystr($arr,$idx = 'id') {
$t = array();
foreach($arr as $x)
$t[] = $x[$idx];
return(implode(',', $t));
}
// Fetches xchan and hubloc data for an array of items with only an
// author_xchan and owner_xchan. If $abook is true also include the abook info.
// This is needed in the API to save extra per item lookups there.
function xchan_query(&$items,$abook = true) {
$arr = array();
if($items && count($items)) {
foreach($items as $item) {
if($item['owner_xchan'] && (! in_array($item['owner_xchan'],$arr)))
$arr[] = "'" . dbesc($item['owner_xchan']) . "'";
if($item['author_xchan'] && (! in_array($item['author_xchan'],$arr)))
$arr[] = "'" . dbesc($item['author_xchan']) . "'";
}
}
if(count($arr)) {
if($abook) {
$chans = q("select * from xchan left join hubloc on hubloc_hash = xchan_hash left join abook on abook_xchan = xchan_hash and abook_channel = %d
where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )",
intval($item['uid'])
);
}
else {
$chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash
where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )");
}
}
if($items && count($items) && $chans && count($chans)) {
for($x = 0; $x < count($items); $x ++) {
$items[$x]['owner'] = find_xchan_in_array($items[$x]['owner_xchan'],$chans);
$items[$x]['author'] = find_xchan_in_array($items[$x]['author_xchan'],$chans);
}
}
}
function xchan_mail_query(&$item) {
$arr = array();
$chans = null;
if($item) {
if($item['from_xchan'] && (! in_array($item['from_xchan'],$arr)))
$arr[] = "'" . dbesc($item['from_xchan']) . "'";
if($item['to_xchan'] && (! in_array($item['to_xchan'],$arr)))
$arr[] = "'" . dbesc($item['to_xchan']) . "'";
}
if(count($arr)) {
$chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash
where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )");
}
if($chans) {
$item['from'] = find_xchan_in_array($item['from_xchan'],$chans);
$item['to'] = find_xchan_in_array($item['to_xchan'],$chans);
}
}
function find_xchan_in_array($xchan,$arr) {
if(count($arr)) {
foreach($arr as $x) {
if($x['xchan_hash'] === $xchan) {
return $x;
}
}
}
return array();
}
function get_rel_link($j,$rel) {
if(count($j))
foreach($j as $l)
if($l['rel'] === $rel)
return $l['href'];
return '';
}
// Lots of code to write here
function magic_link($s) {
return $s;
}
// if $escape is true, dbesc() each element before adding quotes
function stringify_array_elms(&$arr,$escape = false) {
for($x = 0; $x < count($arr); $x ++)
$arr[$x] = "'" . (($escape) ? dbesc($arr[$x]) : $arr[$x]) . "'";
}
/**
* Indents a flat JSON string to make it more human-readable.
*
* @param string $json The original JSON string to process.
*
* @return string Indented version of the original JSON string.
*/
function jindent($json) {
$result = '';
$pos = 0;
$strLen = strlen($json);
$indentStr = ' ';
$newLine = "\n";
$prevChar = '';
$outOfQuotes = true;
for ($i=0; $i<=$strLen; $i++) {
// Grab the next character in the string.
$char = substr($json, $i, 1);
// Are we inside a quoted string?
if ($char == '"' && $prevChar != '\\') {
$outOfQuotes = !$outOfQuotes;
// If this character is the end of an element,
// output a new line and indent the next line.
} else if(($char == '}' || $char == ']') && $outOfQuotes) {
$result .= $newLine;
$pos --;
for ($j=0; $j<$pos; $j++) {
$result .= $indentStr;
}
}
// Add the character to the result string.
$result .= $char;
// If the last character was the beginning of an element,
// output a new line and indent the next line.
if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) {
$result .= $newLine;
if ($char == '{' || $char == '[') {
$pos ++;
}
for ($j = 0; $j < $pos; $j++) {
$result .= $indentStr;
}
}
$prevChar = $char;
}
return $result;
}
function json_decode_plus($s) {
$x = json_decode($s,true);
if(! $x)
$x = json_decode(str_replace(array('\\"','\\\\'),array('"','\\'),$s),true);
return $x;
}
function design_tools() {
$channel = get_app()->get_channel();
$who = $channel['channel_address'];
return replace_macros(get_markup_template('design_tools.tpl'), array(
'$title' => t('Design'),
'$who' => $who,
'$blocks' => t('Blocks'),
'$menus' => t('Menus'),
'$layout' => t('Layouts'),
'$pages' => t('Pages')
));
}
/* case insensitive in_array() */
function in_arrayi($needle, $haystack) {
return in_array(strtolower($needle), array_map('strtolower', $haystack));
}
 . '/images/smiley-heart.gif)
',
' . '/images/smiley-brokenheart.gif)
',
' . '/images/smiley-smile.gif)
',
' . '/images/smiley-wink.gif)
',
' . '/images/smiley-frown.gif)
',
' . '/images/smiley-tongue-out.gif)
',
' . '/images/smiley-kiss.gif)
',
' . '/images/smiley-laughing.gif)
',
' . '/images/smiley-surprised.gif)
',
' . '/images/smiley-thumbsup.gif)
',
' . '/images/smiley-Oo.gif)
',
' . '/images/smiley-cry.gif)
',
' . '/images/smiley-foot-in-mouth.gif)
',
' . '/images/smiley-undecided.gif)
',
' . '/images/smiley-embarassed.gif)
',
' . '/images/smiley-cool.gif)
',
' . '/images/beer_mug.gif)
',
' . '/images/coffee.gif)
',
' . '/images/smiley-facepalm.gif)
',
' . '/images/like.gif)
',
' . '/images/dislike.gif)
',
' . '/images/rhash-16.png)
the Red Matrix',
' . '/images/friendica-16.png)
'
);
$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
call_hooks('smilie', $params);
if($sample) {
$s = '';
for($x = 0; $x < count($params['texts']); $x ++) {
$s .= '