/**
* load extenders
*
* @param string $ext name extender separated by ,
* @return boolean status load extenders
*/
public function loadExtender($ext = '')
{
$out = true;
if ($ext != '') {
$ext = explode(",", $ext);
foreach ($ext as $item) {
if ($item != '' && !$this->_loadExtender($item)) {
throw new Exception('Error load ' . APIHelpers::e($item) . ' extender');
}
}
}
return $out;
}
function Filter($input, $modifiers)
{
global $modx;
$output = $input;
$this->Log(" |--- Input = '" . $output . "'");
if (preg_match_all('~:([^:=]+)(?:=`(.*?)`(?=:[^:=]+|$))?~s', $modifiers, $matches)) {
$modifier_cmd = $matches[1];
// modifier command
$modifier_value = $matches[2];
// modifier value
$count = count($modifier_cmd);
$condition = array();
for ($i = 0; $i < $count; $i++) {
$output = trim($output);
$this->Log(" |--- Modifier = '" . $modifier_cmd[$i] . "'");
if ($modifier_value[$i] != '') {
$this->Log(" |--- Options = '" . $modifier_value[$i] . "'");
}
switch ($modifier_cmd[$i]) {
##### Conditional Modifiers
case "input":
case "if":
$output = $modifier_value[$i];
break;
case "equals":
case "is":
case "eq":
$condition[] = intval($output == $modifier_value[$i]);
break;
case "empty":
$condition[] = intval(empty($output));
break;
case "notequals":
case "isnot":
case "isnt":
case "ne":
$condition[] = intval($output != $modifier_value[$i]);
break;
case "isgreaterthan":
case "isgt":
case "eg":
$condition[] = intval($output >= $modifier_value[$i]);
break;
case "islowerthan":
case "islt":
case "el":
$condition[] = intval($output <= $modifier_value[$i]);
break;
case "greaterthan":
case "gt":
$condition[] = intval($output > $modifier_value[$i]);
break;
case "lowerthan":
case "lt":
$condition[] = intval($output < $modifier_value[$i]);
break;
case "isinrole":
case "ir":
case "memberof":
case "mo":
// Is Member Of (same as inrole but this one can be stringed as a conditional)
if ($output == "&_PHX_INTERNAL_&") {
$output = $this->user["id"];
}
$grps = $this->strlen($modifier_value[$i]) > 0 ? explode(",", $modifier_value[$i]) : array();
$condition[] = intval($this->isMemberOfWebGroupByUserId($output, $grps));
break;
case "or":
$condition[] = "||";
break;
case "and":
$condition[] = "&&";
break;
case "show":
$conditional = implode(' ', $condition);
$isvalid = intval(eval("return (" . $conditional . ");"));
if (!$isvalid) {
$output = NULL;
}
case "then":
$conditional = implode(' ', $condition);
$isvalid = intval(eval("return (" . $conditional . ");"));
if ($isvalid) {
$output = $modifier_value[$i];
} else {
$output = NULL;
}
break;
case "else":
$conditional = implode(' ', $condition);
$isvalid = intval(eval("return (" . $conditional . ");"));
if (!$isvalid) {
$output = $modifier_value[$i];
}
break;
case "select":
$raw = explode("&", $modifier_value[$i]);
$map = array();
for ($m = 0; $m < count($raw); $m++) {
$mi = explode("=", $raw[$m]);
$map[$mi[0]] = $mi[1];
}
$output = $map[$output];
break;
##### End of Conditional Modifiers
##### String Modifiers
##### End of Conditional Modifiers
##### String Modifiers
case "default":
$output = $output === '' ? $modifier_value[0] : $output;
break;
case "lcase":
case "strtolower":
$output = $this->strtolower($output);
break;
case "ucase":
case "strtoupper":
$output = $this->strtoupper($output);
break;
case "ucfirst":
$output = $this->ucfirst($output);
break;
case "lcfirst":
$output = $this->lcfirst($output);
break;
case "ucwords":
$output = $this->ucwords($output);
break;
case "htmlent":
case "htmlentities":
$output = htmlentities($output, ENT_QUOTES, $modx->config['modx_charset']);
break;
case "html_entity_decode":
$output = html_entity_decode($output, ENT_QUOTES, $modx->config['modx_charset']);
break;
case "esc":
$output = preg_replace("/&(#[0-9]+|[a-z]+);/i", "&\$1;", APIHelpers::e($output));
$output = str_replace(array("[", "]", "`"), array("[", "]", "`"), $output);
break;
case "strip":
$output = preg_replace("~([\n\r\t\\s]+)~", " ", $output);
break;
case "notags":
case "strip_tags":
$output = strip_tags($output);
break;
case "length":
case "len":
case "strlen":
$output = $this->strlen($output);
break;
case "reverse":
case "strrev":
$output = $this->strrev($output);
break;
case "wordwrap":
// default: 70
$wrapat = intval($modifier_value[$i]) ? intval($modifier_value[$i]) : 70;
$output = preg_replace("~(\\b\\w+\\b)~e", "wordwrap('\\1',\$wrapat,' ',1)", $output);
break;
case "limit":
// default: 100
$limit = intval($modifier_value[$i]) ? intval($modifier_value[$i]) : 100;
$output = $this->substr($output, 0, $limit);
break;
case "str_shuffle":
case "shuffle":
$output = $this->str_shuffle($output);
break;
case "str_word_count":
case "word_count":
case "wordcount":
$output = $this->str_word_count($output);
break;
##### Special functions
##### Special functions
case "math":
$filter = preg_replace("~([a-zA-Z\n\r\t\\s])~", "", $modifier_value[$i]);
$filter = str_replace("?", $output, $filter);
$output = eval("return " . $filter . ";");
break;
case "isnotempty":
if (!empty($output)) {
$output = $modifier_value[$i];
}
break;
case "isempty":
case "ifempty":
if (empty($output)) {
$output = $modifier_value[$i];
}
break;
case "nl2br":
$output = nl2br($output);
break;
case "date":
$output = strftime($modifier_value[$i], 0 + $output);
break;
case "set":
$c = $i + 1;
if ($count > $c && $modifier_cmd[$c] == "value") {
$output = preg_replace("~([^a-zA-Z0-9])~", "", $modifier_value[$i]);
}
break;
case "value":
if ($i > 0 && $modifier_cmd[$i - 1] == "set") {
$modx->SetPlaceholder("phx." . $output, $modifier_value[$i]);
}
$output = NULL;
break;
case "md5":
$output = md5($output);
break;
case "userinfo":
if ($output == "&_PHX_INTERNAL_&") {
$output = $this->user["id"];
}
$output = $this->ModUser($output, $modifier_value[$i]);
break;
case "inrole":
// deprecated
if ($output == "&_PHX_INTERNAL_&") {
$output = $this->user["id"];
}
$grps = $this->strlen($modifier_value[$i]) > 0 ? explode(",", $modifier_value[$i]) : array();
$output = intval($this->isMemberOfWebGroupByUserId($output, $grps));
break;
// If we haven't yet found the modifier, let's look elsewhere
// If we haven't yet found the modifier, let's look elsewhere
default:
// modified by Anton Kuzmin (23.06.2010) //
$snippetName = 'phx:' . $modifier_cmd[$i];
if (isset($modx->snippetCache[$snippetName])) {
$snippet = $modx->snippetCache[$snippetName];
} else {
// not in cache so let's check the db
$sql = "SELECT snippet FROM " . $modx->getFullTableName("site_snippets") . " WHERE " . $modx->getFullTableName("site_snippets") . ".name='" . $modx->db->escape($snippetName) . "';";
$result = $modx->dbQuery($sql);
if ($modx->recordCount($result) == 1) {
$row = $modx->fetchRow($result);
$snippet = $modx->snippetCache[$row['name']] = $row['snippet'];
$this->Log(" |--- DB -> Custom Modifier");
} else {
if ($modx->recordCount($result) == 0) {
// If snippet not found, look in the modifiers folder
$filename = $modx->config['rb_base_dir'] . 'plugins/phx/modifiers/' . $modifier_cmd[$i] . '.phx.php';
if (@file_exists($filename)) {
$file_contents = @file_get_contents($filename);
$file_contents = str_replace('<' . '?php', '', $file_contents);
$file_contents = str_replace('?' . '>', '', $file_contents);
$file_contents = str_replace('<?', '', $file_contents);
$snippet = $modx->snippetCache[$snippetName] = $file_contents;
$modx->snippetCache[$snippetName . 'Props'] = '';
$this->Log(" |--- File ({$filename}) -> Custom Modifier");
} else {
$this->Log(" |--- PHX Error: {$modifier_cmd[$i]} could not be found");
}
}
}
}
$cm = $snippet;
// end //
ob_start();
$options = $modifier_value[$i];
$custom = eval($cm);
$msg = ob_get_contents();
$output = $msg . $custom;
ob_end_clean();
break;
}
if (count($condition)) {
$this->Log(" |--- Condition = '" . $condition[count($condition) - 1] . "'");
}
$this->Log(" |--- Output = '" . $output . "'");
}
}
return $output;
}
/**
* load extenders
*
* @param string $ext name extender separated by ,
* @return boolean status load extenders
*/
public function loadExtender($ext = '')
{
$out = true;
if ($ext != '') {
$ext = explode(",", $ext);
foreach ($ext as $item) {
try {
if ($item != '' && !$this->_loadExtender($item)) {
$out = false;
throw new Exception('Error load ' . APIHelpers::e($item) . ' extender');
break;
}
} catch (Exception $e) {
$this->ErrorLogger($e->getMessage(), $e->getCode(), $e->getFile(), $e->getLine(), $e->getTrace());
}
}
}
return $out;
}
