Server : Apache/2.4.52 (Ubuntu) System : Linux HAN2 5.15.0-185-generic #195-Ubuntu SMP Fri Jun 19 17:11:50 UTC 2026 x86_64 User : servadmin ( 1000) PHP Version : 8.1.2-1ubuntu2.25 Disable Function : NONE Directory : /www/docs/www.obusignal.com/www.obusignal.com/wp-content/plugins/hungryfeed/libs/ |
<?php
/**
* ################################################################################
* UTILITIES
* ################################################################################
*/
/**
* Util function returns an array value, if not defined then returns default instead.
* @param Array $array
* @param string $key
* @param variant $default
*/
function hungryfeed_val($arr,$key,$default='')
{
return isset($arr[$key]) ? $arr[$key] : $default;
}
/**
* output a fatal error and optionally die
*
* @param string $message
* @param string $title
* @param bool $die
*/
function hungryfeed_fatal($message, $title = "", $die = false)
{
$html = get_option('hungryfeed_error_template',HUNGRYFEED_DEFAULT_ERROR_TEMPLATE);
echo str_replace("{{error}}", trim($title . " " . $message), $html);
if ($die) die();
}
/**
* (function borrowed from cakePHP - original documentation below)
*
* Truncates text.
*
* Cuts a string to the length of $length and replaces the last characters
* with the ending if the text is longer than length.
*
* ### Options:
*
* - `ending` Will be used as Ending and appended to the trimmed string
* - `exact` If false, $text will not be cut mid-word
* - `html` If true, HTML tags would be handled correctly
*
* @param string $text String to truncate.
* @param integer $length Length of returned string, including ellipsis.
* @param array $options An array of html attributes and options.
* @return string Trimmed string.
* @access public
* @link http://book.cakephp.org/view/1469/Text#truncate-1625
*/
function hungryfeed_truncate($text, $length = 100, $options = array()) {
$default = array(
'ending' => '...', 'exact' => true, 'html' => false
);
$options = array_merge($default, $options);
extract($options);
if ($html) {
if (mb_strlen(preg_replace('/<.*?>/', '', $text)) <= $length) {
return $text;
}
$totalLength = mb_strlen(strip_tags($ending));
$openTags = array();
$truncate = '';
preg_match_all('/(<\/?([\w+]+)[^>]*>)?([^<>]*)/', $text, $tags, PREG_SET_ORDER);
foreach ($tags as $tag) {
if (!preg_match('/img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param/s', $tag[2])) {
if (preg_match('/<[\w]+[^>]*>/s', $tag[0])) {
array_unshift($openTags, $tag[2]);
} else if (preg_match('/<\/([\w]+)[^>]*>/s', $tag[0], $closeTag)) {
$pos = array_search($closeTag[1], $openTags);
if ($pos !== false) {
array_splice($openTags, $pos, 1);
}
}
}
$truncate .= $tag[1];
$contentLength = mb_strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', ' ', $tag[3]));
if ($contentLength + $totalLength > $length) {
$left = $length - $totalLength;
$entitiesLength = 0;
if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', $tag[3], $entities, PREG_OFFSET_CAPTURE)) {
foreach ($entities[0] as $entity) {
if ($entity[1] + 1 - $entitiesLength <= $left) {
$left--;
$entitiesLength += mb_strlen($entity[0]);
} else {
break;
}
}
}
$truncate .= mb_substr($tag[3], 0 , $left + $entitiesLength);
break;
} else {
$truncate .= $tag[3];
$totalLength += $contentLength;
}
if ($totalLength >= $length) {
break;
}
}
} else {
if (mb_strlen($text) <= $length) {
return $text;
} else {
$truncate = mb_substr($text, 0, $length - mb_strlen($ending));
}
}
if (!$exact) {
$spacepos = mb_strrpos($truncate, ' ');
if (isset($spacepos)) {
if ($html) {
$bits = mb_substr($truncate, $spacepos);
preg_match_all('/<\/([a-z]+)>/', $bits, $droppedTags, PREG_SET_ORDER);
if (!empty($droppedTags)) {
foreach ($droppedTags as $closingTag) {
if (!in_array($closingTag[1], $openTags)) {
array_unshift($openTags, $closingTag[1]);
}
}
}
}
$truncate = mb_substr($truncate, 0, $spacepos);
}
}
$truncate .= $ending;
if ($html) {
foreach ($openTags as $tag) {
$truncate .= '</'.$tag.'>';
}
}
return $truncate;
}
/**
* Used in combination with set_error_handler before reading feeds so that any errors can be caught
* and displayed in a friendly way without freaking out visitors. to prevent unecessary warnings
* this will disregard any errors of type E_STRICT, E_DEPRECATED and E_USER_DEPRECATED
*
* @param $errno
* @param $errstr
* @param $errfile
* @param $errline
*/
function hungryfeed_handle_rss_error($errno, $errstr, $errfile, $errline)
{
// don't do anything if error reporting is off (the @ is used)
if (error_reporting() == 0) return;
// these may not be defined depending on the version of php
if (!defined('E_STRICT')) define('E_STRICT',2048);
if (!defined('E_DEPRECATED')) define('E_DEPRECATED',8192);
if (!defined('E_USER_DEPRECATED')) define('E_USER_DEPRECATED',16384);
// simplepie causes a few errors unfortunately due to illegal static method calls
// and unfortunately we wind up catching errors in other plugins as well
$ignore = $errno & (E_STRICT | E_DEPRECATED | E_USER_DEPRECATED);
if ($ignore == $errno) return true;
hungryfeed_fatal("Error Processing Feed: " . $errstr . " at " . $errfile . " line " . $errline);
return true;
}
/**
* Create a pagination/filter URL, appending the specified querystring.
* will prepend a ? or & as needed depending on the current url
* @param array $querystring example: array('var1'=>'val1','var2'=>'val2')
* @bool preserve any existing querystring parameters
* @return string
*/
function hungryfeed_create_url($pairs,$preserve_existing = true)
{
$uri = isset($_SERVER["REQUEST_URI"]) ? $_SERVER["REQUEST_URI"] : "";
// need to strip out an previous value
list($base,$original_qs) = explode("?",$uri,2);
$new_qs = "";
$delim = "?";
$params = explode("&",$original_qs);
if ($preserve_existing)
{
// add existing params that we need to preserve
foreach ($params as $param)
{
list($key,$val) = explode("=",$param,2);
if (!array_key_exists($key,$pairs))
{
$new_qs .= $delim . $param;
$delim = "&";
}
}
}
// now add any new params necessary
foreach ($pairs as $key=>$val)
{
$new_qs .= $delim . $key . "=" . $val;
$delim = "&";
}
return $base . $new_qs;
}
/**
* include the simplepie class files and return true if successful. if not
* successful then an error message will be displayed and false will be returned.
*/
function hungryfeed_include_simplepie()
{
if (!class_exists('SimplePie'))
{
if (file_exists(ABSPATH . WPINC . '/class-simplepie.php'))
{
include_once(ABSPATH . WPINC . '/class-simplepie.php');
}
else
{
hungryfeed_fatal("Please either upgrade to WordPress 3 or else install the "
."<a href='http://wordpress.org/extend/plugins/simplepie-core'>SimplePie Core plugin</a> "
."for WordPress.", "HungryFEED can't find SimplePie. Don't be mad at HungryFEED.");
return false;
}
}
return true;
}
?>