function str_replace_limit($haystack, $needle, $replace, $limit, $start_pos = 0)
{
if ($limit <= 0) {
return $haystack;
} else {
$pos = strrpos($haystack, $needle, $start_pos);
if ($pos !== false) {
$newstring = substr_replace($haystack, $replace, $pos, strlen($needle));
return str_replace_limit($newstring, $needle, $replace, $limit - 1, $pos + strlen($replace));
} else {
return $haystack;
}
}
}
private static function check_required_params($params)
{
foreach ($params as $param => $validation) {
if (is_int($param)) {
$param = $validation;
unset($validation);
}
if (is_int(strpos($param, '['))) {
$param = '[' . str_replace_limit('[', '][', $param);
} else {
$param = "[{$param}]";
}
$data = isset_array($param, Request::$params);
if (!empty($validation)) {
if (!validate_data($data, $validation)) {
return false;
}
} elseif ($data === null) {
return false;
}
}
return true;
}
/**
* Parses all Callback tags, and sends them through the given $callback.
*
* @param string $text Text to parse
* @param mixed $callback Callback to apply to each tag
* @param bool $inConditional Whether we are in a conditional tag
* @return string
*/
public function parseCallbackTags($text, $data, $callback)
{
$this->setupRegex();
$inCondition = $this->inCondition;
if ($inCondition) {
$regex = '/\\{\\s*(' . $this->variableRegex . ')(\\s+.*?)?\\s*\\}/ms';
} else {
$regex = '/\\{\\{\\s*(' . $this->variableRegex . ')(\\s+.*?)?\\s*(\\/)?\\}\\}/ms';
}
/**
* $match[0][0] is the raw tag
* $match[0][1] is the offset of raw tag
* $match[1][0] is the callback name
* $match[1][1] is the offset of callback name
* $match[2][0] is the parameters
* $match[2][1] is the offset of parameters
* $match[3][0] is the self closure
* $match[3][1] is the offset of closure
*/
while (preg_match($regex, $text, $match, PREG_OFFSET_CAPTURE)) {
$selfClosed = false;
$parameters = array();
$tag = $match[0][0];
$start = $match[0][1];
$name = $match[1][0];
if (isset($match[2])) {
$cb_data = $data;
if (!empty($this->parser_callback_data)) {
$data = $this->toArray($data);
$cb_data = array_merge($this->parser_callback_data, $data);
}
$raw_params = $this->injectExtractions($match[2][0], '__cond_str');
$parameters = $this->parseParameters($raw_params, $cb_data, $callback);
}
if (isset($match[3])) {
$selfClosed = true;
}
$content = '';
$temp_text = substr($text, $start + strlen($tag));
if (preg_match('/\\{\\{\\s*\\/' . preg_quote($name, '/') . '\\s*\\}\\}/m', $temp_text, $match, PREG_OFFSET_CAPTURE) && !$selfClosed) {
$content = substr($temp_text, 0, $match[0][1]);
$tag .= $content . $match[0][0];
// Is there a nested block under this one existing with the same name?
$nested_regex = '/\\{\\{\\s*(' . preg_quote($name, '/') . ')(\\s.*?)\\}\\}(.*?)\\{\\{\\s*\\/\\1\\s*\\}\\}/ms';
if (preg_match($nested_regex, $content . $match[0][0], $nested_matches)) {
$nested_content = preg_replace('/\\{\\{\\s*\\/' . preg_quote($name, '/') . '\\s*\\}\\}/m', '', $nested_matches[0]);
$content = $this->createExtraction('nested_looped_tags', $nested_content, $nested_content, $content);
}
}
$replacement = call_user_func_array($callback, array($name, $parameters, $content));
// Added by Ivan Tcholakov, 23-DEC-2015.
if ($this->is_attribute_being_parsed && !$inCondition) {
$replacement = $this->serialize($replacement);
}
//
$replacement = $this->parseRecursives($replacement, $content, $callback);
if ($inCondition) {
$replacement = $this->valueToLiteral($replacement);
} else {
$replacement = @(string) $replacement;
}
//
// Modified by Ivan Tcholakov, 25-JAN2016.
// Trying to avoid the error "preg_replace(): Compilation failed: regular expression is too large at offset ...".
//$text = preg_replace('/'.preg_quote($tag, '/').'/m', addcslashes($replacement, '\\$'), $text, 1);
$text = str_replace_limit($tag, $replacement, $text, $replacement_count, 1);
//
$text = $this->injectExtractions($text, 'nested_looped_tags');
}
return $text;
}
function show_keyword($content)
{
global $Key_word, $webdb, $pre, $db;
if (!$webdb[ifShowKeyword]) {
return $content;
}
require_once ROOT_PATH . "data/keyword.php";
//把图片描述去掉
//$content=preg_replace("/ alt=([^ >]+)/is","",$content);
foreach ($Key_word as $key => $value) {
if (!$value) {
$value = "{$webdb['www_url']}/do/search.php?type=title&keyword=" . urlencode($key);
}
//$rs = $db->get_one("SELECT num FROM {$pre}keyword WHERE `keywords` = '{$key}'");
//$content=str_replace_limit($key,"<a href=$value style=text-decoration:underline;font-size:14px;color:{$webdb[ShowKeywordColor]}; target=_blank>$key</a>",$content,$rs[num]);
//$content=str_replace_limit($key,"<a href=$value style=text-decoration:underline;font-size:14px;color:{$webdb[ShowKeywordColor]}; target=_blank>$key</a>",$content,2); //重复的关键字只能显示两次
$search[] = $key;
$replace[] = "<a href={$value} style=text-decoration:underline;font-size:14px;color:{$webdb[ShowKeywordColor]}; target=_blank>{$key}</a>";
}
$search && ($content = str_replace_limit($search, $replace, $content, 2));
return $content;
}
static function parse_multimark(&$sql, &$params)
{
if (is_bool(strpos($sql, '??'))) {
return;
}
$sql = str_replace('??', 'MULTIMARK', $sql);
$sql = explode('?', $sql);
$parsed_params = array();
foreach ($sql as &$part) {
$current_param = current($params);
next($params);
if (is_bool(strpos($part, 'MULTIMARK'))) {
$parsed_params[] = $current_param;
continue;
}
if (!is_array($current_param)) {
throw new Exception('DB::parse_multimark: Parameter passed is not an array.');
}
$parsed_params = array_merge($parsed_params, $current_param);
$marks = implode(', ', array_fill(0, count($current_param), '?'));
$part = str_replace_limit('MULTIMARK', $marks, $part);
unset($part);
}
$params = $parsed_params;
$sql = implode('?', $sql);
}
/**
*
* @param object $object_
* @param array $arrayFilter
* @return array
* Extract object data to return an array
*/
function extractData($object_, array $arrayFilter = array(), $multiple = false)
{
$data = null;
if (!$multiple) {
foreach (get_class_methods($object_) as $key => $value) {
if (strpos($value, 'get') !== false) {
if (method_exists($object_, $value)) {
$method = $object_->{$value}();
if (!is_null($method)) {
$key = strtolower(str_replace_limit('_', '', preg_replace('/([A-Z])/', '_$1', str_replace('get', '', $value)), 1));
$data[$key] = $object_->{$value}();
}
}
}
}
} elseif ($multiple) {
$temp = null;
foreach ($object_ as $object) {
foreach (get_class_methods($object) as $key => $value) {
if (strpos($value, 'get') !== false) {
if (method_exists($object, $value)) {
$method = $object->{$value}();
if (!is_null($method)) {
$key = strtolower(str_replace_limit('_', '', preg_replace('/([A-Z])/', '_$1', str_replace('get', '', $value)), 1));
$temp[$key] = $object->{$value}();
}
}
}
}
$data[] = $temp;
}
}
return $data;
}
function isset_array($arr, &$var_to_check = null)
{
$arr = str_replace(array('[', ']'), array("['", "']"), $arr);
$result = null;
if ($var_to_check) {
$ext_var = (array) $var_to_check;
} else {
$var_to_check = substr($arr, 0, strpos($arr, '['));
global ${$var_to_check};
if (!isset(${$var_to_check})) {
return;
}
$ext_var = (array) ${$var_to_check};
$arr = str_replace_limit($var_to_check, '', $arr);
}
eval('isset($ext_var' . $arr . ') && $result = $ext_var' . $arr . ';');
return $result;
}
