282 lines
6.8 KiB
PHP
282 lines
6.8 KiB
PHP
<?php
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/**
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* @file include/text.php
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*/
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use Friendica\App;
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use Friendica\Content\Smilies;
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Protocol;
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use Friendica\Model\Contact;
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use Friendica\Model\FileTag;
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use Friendica\Util\Strings;
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/**
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* Turn user/group ACLs stored as angle bracketed text into arrays
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*
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* @param string $s
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* @return array
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*/
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function expand_acl($s) {
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// turn string array of angle-bracketed elements into numeric array
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// e.g. "<1><2><3>" => array(1,2,3);
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$ret = [];
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if (strlen($s)) {
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$t = str_replace('<', '', $s);
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$a = explode('>', $t);
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foreach ($a as $aa) {
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if (intval($aa)) {
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$ret[] = intval($aa);
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}
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}
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}
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return $ret;
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}
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/**
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* Wrap ACL elements in angle brackets for storage
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* @param string $item
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*/
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function sanitise_acl(&$item) {
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if (intval($item)) {
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$item = '<' . intval(Strings::escapeTags(trim($item))) . '>';
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} else {
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unset($item);
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}
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}
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/**
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* Convert an ACL array to a storable string
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*
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* Normally ACL permissions will be an array.
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* We'll also allow a comma-separated string.
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*
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* @param string|array $p
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* @return string
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*/
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function perms2str($p) {
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$ret = '';
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if (is_array($p)) {
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$tmp = $p;
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} else {
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$tmp = explode(',', $p);
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}
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if (is_array($tmp)) {
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array_walk($tmp, 'sanitise_acl');
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$ret = implode('', $tmp);
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}
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return $ret;
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}
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/**
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* for html,xml parsing - let's say you've got
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* an attribute foobar="class1 class2 class3"
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* and you want to find out if it contains 'class3'.
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* you can't use a normal sub string search because you
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* might match 'notclass3' and a regex to do the job is
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* possible but a bit complicated.
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* pass the attribute string as $attr and the attribute you
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* are looking for as $s - returns true if found, otherwise false
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*
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* @param string $attr attribute value
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* @param string $s string to search
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* @return boolean True if found, False otherwise
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*/
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function attribute_contains($attr, $s) {
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$a = explode(' ', $attr);
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return (count($a) && in_array($s,$a));
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}
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/**
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* Compare activity uri. Knows about activity namespace.
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*
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* @param string $haystack
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* @param string $needle
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* @return boolean
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*/
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function activity_match($haystack,$needle) {
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return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
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}
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/**
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* quick and dirty quoted_printable encoding
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*
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* @param string $s
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* @return string
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*/
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function qp($s) {
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return str_replace("%", "=", rawurlencode($s));
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}
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/**
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* @brief Find any non-embedded images in private items and add redir links to them
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*
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* @param App $a
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* @param array &$item The field array of an item row
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*/
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function redir_private_images($a, &$item)
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{
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$matches = [];
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$cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
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if ($cnt) {
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foreach ($matches as $mtch) {
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if (strpos($mtch[1], '/redir') !== false) {
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continue;
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}
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if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == Protocol::DFRN)) {
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$img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']);
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$item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
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}
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}
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}
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}
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/**
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* @brief Given a text string, convert from bbcode to html and add smilie icons.
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*
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* @param string $text String with bbcode.
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* @return string Formatted HTML
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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function prepare_text($text)
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{
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$s = BBCode::convert($text);
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return trim($s);
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}
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/**
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* return array with details for categories and folders for an item
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*
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* @param array $item
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* @return array
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*
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* [
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* [ // categories array
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* {
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* 'name': 'category name',
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* 'removeurl': 'url to remove this category',
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* 'first': 'is the first in this array? true/false',
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* 'last': 'is the last in this array? true/false',
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* } ,
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* ....
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* ],
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* [ //folders array
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* {
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* 'name': 'folder name',
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* 'removeurl': 'url to remove this folder',
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* 'first': 'is the first in this array? true/false',
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* 'last': 'is the last in this array? true/false',
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* } ,
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* ....
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* ]
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* ]
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*/
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function get_cats_and_terms($item)
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{
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$categories = [];
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$folders = [];
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$first = true;
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foreach (FileTag::fileToArray($item['file'] ?? '', 'category') as $savedFolderName) {
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$categories[] = [
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'name' => $savedFolderName,
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'url' => "#",
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'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&cat=' . rawurlencode($savedFolderName) : ""),
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'first' => $first,
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'last' => false
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];
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$first = false;
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}
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if (count($categories)) {
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$categories[count($categories) - 1]['last'] = true;
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}
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if (local_user() == $item['uid']) {
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foreach (FileTag::fileToArray($item['file'] ?? '') as $savedFolderName) {
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$folders[] = [
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'name' => $savedFolderName,
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'url' => "#",
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'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . rawurlencode($savedFolderName) : ""),
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'first' => $first,
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'last' => false
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];
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$first = false;
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}
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}
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if (count($folders)) {
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$folders[count($folders) - 1]['last'] = true;
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}
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return [$categories, $folders];
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}
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/**
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* return number of bytes in size (K, M, G)
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* @param string $size_str
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* @return int
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*/
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function return_bytes($size_str) {
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switch (substr ($size_str, -1)) {
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case 'M': case 'm': return (int)$size_str * 1048576;
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case 'K': case 'k': return (int)$size_str * 1024;
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case 'G': case 'g': return (int)$size_str * 1073741824;
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default: return $size_str;
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}
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}
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function bb_translate_video($s) {
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$matches = null;
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$r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
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if ($r) {
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foreach ($matches as $mtch) {
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if ((stristr($mtch[1], 'youtube')) || (stristr($mtch[1], 'youtu.be'))) {
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$s = str_replace($mtch[0], '[youtube]' . $mtch[1] . '[/youtube]', $s);
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} elseif (stristr($mtch[1], 'vimeo')) {
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$s = str_replace($mtch[0], '[vimeo]' . $mtch[1] . '[/vimeo]', $s);
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}
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}
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}
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return $s;
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}
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function undo_post_tagging($s) {
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$matches = null;
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$cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
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if ($cnt) {
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foreach ($matches as $mtch) {
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if (in_array($mtch[1], ['!', '@'])) {
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$contact = Contact::getDetailsByURL($mtch[2]);
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$mtch[3] = empty($contact['addr']) ? $mtch[2] : $contact['addr'];
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}
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$s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
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}
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}
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return $s;
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}
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/// @TODO Rewrite this
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function is_a_date_arg($s) {
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$i = intval($s);
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if ($i > 1900) {
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$y = date('Y');
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if ($i <= $y + 1 && strpos($s, '-') == 4) {
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$m = intval(substr($s, 5));
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if ($m > 0 && $m <= 12) {
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return true;
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}
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}
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}
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return false;
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}
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