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<?php
/*
// "Simple Picture Slideshow" Plugin for Joomla 3.1 - Version 1.5.8
// License: GNU General Public License version 2 or later; see LICENSE.txt
// Author: Andreas Berger - andreas_berger@bretteleben.de
// Copyright (C) 2013 Andreas Berger - http://www.bretteleben.de. All rights reserved.
// Project page and Demo at http://www.bretteleben.de
// ***Last update: 2013-08-23***
*/
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');
// Helper Class
class plgContentSimplepictureslideshowHelper{
// replace plugin-calls and try to remove enclosing paragraphs
public static function beReplaceCall( $myneedle, $myreplacement, $myhaystack) {
/* parameters
$myneedle the string to replace
$myreplacement what to insert
$myhaystack where to search
*/
$myneedle = preg_quote($myneedle, '#');
if(preg_match("#<p>(\s|<br />)*".$myneedle."(\s|<br />)*</p>#s", $myhaystack)>=1){
$myhaystack = preg_replace( "#<p>(\s|<br />)*".$myneedle."(\s|<br />)*</p>#s", $myreplacement , $myhaystack ,1);
}
else{
$myhaystack = preg_replace( "#".$myneedle."#s", $myreplacement , $myhaystack ,1);
}
return $myhaystack;
}
// sort image array according the set sort order
public static function beSortImages( $myarray, $myorder) { //20090828
/* parameters
$myarray the array to sort
($images[] = array('filename' => VALUE, 'flastmod' => VALUE);)
$myorder the sort order
*/
unset($theage); //unset temporary array
unset($thename); //unset temporary array
switch ($myorder) {
case 1: //alphabetic descending caseinsensitive
foreach ($myarray as $key => $val) {$thename[$key]=substr(strtolower($val['filename']),0,-4);}
array_multisort($thename, SORT_DESC, $myarray);
break;
case 2: //old to new
foreach ($myarray as $key => $val) {$theage[$key]=$val['flastmod'];}
array_multisort($theage, SORT_ASC, $myarray);
break;
case 3: //new to old
foreach ($myarray as $key => $val) {$theage[$key]=$val['flastmod'];}
array_multisort($theage, SORT_DESC, $myarray);
break;
case 4: //random
shuffle($myarray);
break;
default: //alphabetic ascending caseinsensitive
foreach ($myarray as $key => $val) {$thename[$key]=substr(strtolower($val['filename']),0,-4);}
array_multisort($thename, SORT_ASC, $myarray);
break;
}
return $myarray;
}
// replace quotes
public static function beKickQuotes($e) { //20090828
/* parameters
$e string
*/
$e = str_replace('"', '\\"', $e);
$e = str_replace("'", "'", $e);
return $e;
}
// check for mb_strtolower and use it if available
public static function beStrtolower($mystring) {
/* parameters
$mystring the string to convert
*/
$mystring=(plgContentSimplepictureslideshowHelper::beIs_utf8($mystring))?($mystring):(utf8_encode($mystring));
$mystring=(function_exists('mb_strtolower'))?(mb_strtolower($mystring)):(strtolower($mystring));
return $mystring;
}
// Returns true if $string is valid UTF-8 and false otherwise.
public static function beIs_utf8($string) {
// From http://w3.org/International/questions/qa-forms-utf-8.html
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}
}
?>