function item_redir_and_replace_images($body, $images, $cid)
{
$origbody = $body;
$newbody = '';
$cnt = 1;
$pos = get_bb_tag_pos($origbody, 'url', 1);
while ($pos !== false && $cnt < 1000) {
$search = '/\\[url\\=(.*?)\\]\\[!#saved_image([0-9]*)#!\\]\\[\\/url\\]' . '/is';
$replace = '[url=' . z_path() . '/redir/' . $cid . '?f=1&url=' . '$1' . '][!#saved_image' . '$2' . '#!][/url]';
$newbody .= substr($origbody, 0, $pos['start']['open']);
$subject = substr($origbody, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
$origbody = substr($origbody, $pos['end']['close']);
if ($origbody === false) {
$origbody = '';
}
$subject = preg_replace($search, $replace, $subject);
$newbody .= $subject;
$cnt++;
$pos = get_bb_tag_pos($origbody, 'url', 1);
}
$newbody .= $origbody;
$cnt = 0;
foreach ($images as $image) {
// We're depending on the property of 'foreach' (specified on the PHP website) that
// it loops over the array starting from the first element and going sequentially
// to the last element
$newbody = str_replace('[!#saved_image' . $cnt . '#!]', '[img]' . $image . '[/img]', $newbody);
$cnt++;
}
return $newbody;
}
function bb_tag_preg_replace($pattern, $replace, $name, $s)
{
$string = $s;
$occurance = 1;
$pos = get_bb_tag_pos($string, $name, $occurance);
while ($pos !== false && $occurance < 1000) {
$start = substr($string, 0, $pos['start']['open']);
$subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
$end = substr($string, $pos['end']['close']);
if ($end === false) {
$end = '';
}
$subject = preg_replace($pattern, $replace, $subject);
$string = $start . $subject . $end;
$occurance++;
$pos = get_bb_tag_pos($string, $name, $occurance);
}
return $string;
}
