ewshared14.php

<?php

//
// Shared code for PHPMaker and PHP Report Maker
//

/**
 * Functions for converting encoding
 */

// Convert to UTF-8
function ew_ConvertToUtf8($str) {
	return ew_Convert(EW_ENCODING, "UTF-8", $str);
}

// Convert from UTF-8
function ew_ConvertFromUtf8($str) {
	return ew_Convert("UTF-8", EW_ENCODING, $str);
}

// Convert encoding
function ew_Convert($from, $to, $str) {
	if (is_string($str) && $from != "" && $to != "" && strtoupper($from) != strtoupper($to)) {
		if (function_exists("iconv")) {
			return iconv($from, $to, $str);
		} elseif (function_exists("mb_convert_encoding")) {
			return mb_convert_encoding($str, $to, $from);
		} else {
			return $str;
		}
	} else {
		return $str;
	}
}

// Convert a value to JSON value
// $type: string/boolean
function ew_VarToJson($val, $type = "", $sep = "\"") {
	global $EW_DATA_STRING_MAX_LENGTH;
	$type = strtolower($type);
	if (is_null($val)) {
		return "null";
	} elseif ($type == "number") {
		return $val;
	} elseif ($type == "boolean" || is_bool($val)) {
		return (ew_ConvertToBool($val)) ? "true" : "false";
	} elseif ($type == "string" || is_string($val)) {
		if (ew_ContainsStr($val, "\0")) // Contains null byte
			return "\"binary\"";
		if (strlen($val) > $EW_DATA_STRING_MAX_LENGTH)
			$val = substr($val, 0, $EW_DATA_STRING_MAX_LENGTH);
		if ($sep == "'")
			return "'" . ew_JsEncode3($val) . "'";
		else
			return "\"" . ew_JsEncode2($val) . "\"";
	}
	return $val;
}

// Convert rows (array) to JSON
function ew_ArrayToJson($ar, $offset = 0) {
	$arOut = array();
	$array = FALSE;
	foreach ($ar as $row) {
		$keys = array_keys($row);
		foreach ($keys as $key) {
			if (is_int($key)) {
				$array = TRUE;
				break;
			}
		}
		break; // First row only
	}
	foreach ($ar as $row) {
		$arwrk = array();
		foreach ($row as $key => $val) {
			if (($array && is_string($key)) || (!$array && is_int($key)))
				continue;
			$key = ($array) ? "" : "\"" . ew_JsEncode2($key) . "\":";
			$arwrk[] = $key . ew_VarToJson($val);
		}
		if ($array) { // Array
			$arOut[] = "[" . implode(",", $arwrk) . "]";
		} else { // Object
			$arOut[] = "{" . implode(",", $arwrk) . "}";
		}
	}
	if ($offset > 0)
		$arOut = array_slice($arOut, $offset);
	return "[" . implode(",", $arOut) . "]";
}
/**
 * Langauge class
 */

class cLanguage {
	var $LanguageId;
	var $Phrases = NULL;
	var $LanguageFolder = EW_LANGUAGE_FOLDER;
	var $Template = ""; // JsRender template
	var $Method = "prependTo"; // JsRender template method
	var $Target = ".navbar-custom-menu .nav"; // JsRender template target
	var $Type = "LI"; // LI/DROPDOWN (for used with top Navbar) or SELECT/RADIO (NOT for used with top Navbar)

	// Constructor
	function __construct($langfolder = "", $langid = "") {
		global $gsLanguage;
		if ($langfolder <> "")
			$this->LanguageFolder = $langfolder;
		$this->LoadFileList(); // Set up file list
		if ($langid <> "") { // Set up language id
			$this->LanguageId = $langid;
			$_SESSION[EW_SESSION_LANGUAGE_ID] = $this->LanguageId;
		} elseif (@$_GET["language"] <> "") {
			$this->LanguageId = $_GET["language"];
			$_SESSION[EW_SESSION_LANGUAGE_ID] = $this->LanguageId;
		} elseif (@$_SESSION[EW_SESSION_LANGUAGE_ID] <> "") {
			$this->LanguageId = $_SESSION[EW_SESSION_LANGUAGE_ID];
		} else {
			$this->LanguageId = EW_LANGUAGE_DEFAULT_ID;
		}
		$gsLanguage = $this->LanguageId;
		$this->Load($this->LanguageId);

		// Call Language Load event
		$this->Language_Load();
	}

	// Load language file list
	function LoadFileList() {
		global $EW_LANGUAGE_FILE;
		if (is_array($EW_LANGUAGE_FILE)) {
			$cnt = count($EW_LANGUAGE_FILE);
			for ($i = 0; $i < $cnt; $i++)
				$EW_LANGUAGE_FILE[$i][1] = $this->LoadFileDesc($this->LanguageFolder . $EW_LANGUAGE_FILE[$i][2]);
		}
	}

	// Load language file description
	function LoadFileDesc($File) {
		if (EW_USE_DOM_XML) {
			$this->Phrases = new cXMLDocument();
			if ($this->Phrases->Load($File))
				return $this->GetNodeAtt($this->Phrases->DocumentElement(), "desc");
		} else {
			$ar = ew_Xml2Array(substr(file_get_contents($File), 0, 512)); // Just read the first part
			return (is_array($ar)) ? @$ar["ew-language"]["attr"]["desc"] : "";
		}
	}

	// Load language file
	function Load($id) {
		global $EW_DECIMAL_POINT, $EW_THOUSANDS_SEP, $EW_MON_DECIMAL_POINT, $EW_MON_THOUSANDS_SEP,
			$EW_CURRENCY_SYMBOL, $EW_POSITIVE_SIGN, $EW_NEGATIVE_SIGN, $EW_FRAC_DIGITS,
			$EW_P_CS_PRECEDES, $EW_P_SEP_BY_SPACE, $EW_N_CS_PRECEDES, $EW_N_SEP_BY_SPACE,
			$EW_P_SIGN_POSN, $EW_N_SIGN_POSN, $EW_TIME_ZONE,
			$EW_DATE_SEPARATOR, $EW_TIME_SEPARATOR, $EW_DATE_FORMAT, $EW_DATE_FORMAT_ID;
		$sFileName = $this->GetFileName($id);
		if ($sFileName == "")
			$sFileName = $this->GetFileName(EW_LANGUAGE_DEFAULT_ID);
		if ($sFileName == "")
			return;
		if (EW_USE_DOM_XML) {
			$this->Phrases = new cXMLDocument();
			$this->Phrases->Load($sFileName);
		} else {
			if (is_array(@$_SESSION[EW_PROJECT_NAME . "_" . $sFileName])) {
				$this->Phrases = $_SESSION[EW_PROJECT_NAME . "_" . $sFileName];
			} else {
				$this->Phrases = ew_Xml2Array(file_get_contents($sFileName));
			}
		}

		// Set up locale / currency format for language
		extract(ew_LocaleConv());
		if (!empty($decimal_point)) $EW_DECIMAL_POINT = $decimal_point;
		if (!empty($thousands_sep)) $EW_THOUSANDS_SEP = $thousands_sep;
		if (!empty($mon_decimal_point)) $EW_MON_DECIMAL_POINT = $mon_decimal_point;
		if (!empty($mon_thousands_sep)) $EW_MON_THOUSANDS_SEP = $mon_thousands_sep;
		if (!empty($currency_symbol)) $EW_CURRENCY_SYMBOL = $currency_symbol;
		if (isset($positive_sign)) $EW_POSITIVE_SIGN = $positive_sign; // Note: $positive_sign can be empty.
		if (!empty($negative_sign)) $EW_NEGATIVE_SIGN = $negative_sign;
		if (isset($frac_digits)) $EW_FRAC_DIGITS = $frac_digits;
		if (isset($p_cs_precedes)) $EW_P_CS_PRECEDES = $p_cs_precedes;
		if (isset($p_sep_by_space)) $EW_P_SEP_BY_SPACE = $p_sep_by_space;
		if (isset($n_cs_precedes)) $EW_N_CS_PRECEDES = $n_cs_precedes;
		if (isset($n_sep_by_space)) $EW_N_SEP_BY_SPACE = $n_sep_by_space;
		if (isset($p_sign_posn)) $EW_P_SIGN_POSN = $p_sign_posn;
		if (isset($n_sign_posn)) $EW_N_SIGN_POSN = $n_sign_posn;
		if (!empty($date_sep)) $EW_DATE_SEPARATOR = $date_sep;
		if (!empty($time_sep)) $EW_TIME_SEPARATOR = $time_sep;
		if (!empty($date_format)) {
			$EW_DATE_FORMAT = ew_DateFormat($date_format);
			$EW_DATE_FORMAT_ID = ew_DateFormatId($date_format);
		}
		/**
		 * Time zone
		 * Read http://www.php.net/date_default_timezone_set for details
		 * and http://www.php.net/timezones for supported time zones
		*/

		// Set up time zone from language file for multi-language site
		if (!empty($time_zone))
			$EW_TIME_ZONE = $time_zone;
		if (!empty($EW_TIME_ZONE))
			date_default_timezone_set($EW_TIME_ZONE);
	}

	// Get language file name
	function GetFileName($Id) {
		global $EW_LANGUAGE_FILE;
		if (is_array($EW_LANGUAGE_FILE)) {
			$cnt = count($EW_LANGUAGE_FILE);
			for ($i = 0; $i < $cnt; $i++)
				if ($EW_LANGUAGE_FILE[$i][0] == $Id) {
					return $this->LanguageFolder . $EW_LANGUAGE_FILE[$i][2];
				}
		}
		return "";
	}

	// Get node attribute
	function GetNodeAtt($Nodes, $Att) {
		$value = ($Nodes) ? $this->Phrases->GetAttribute($Nodes, $Att) : "";

		//return ew_ConvertFromUtf8($value);
		return $value;
	}

	// Set node attribute
	function SetNodeAtt($Nodes, $Att, $Value) {
		if ($Nodes)
			$this->Phrases->SetAttribute($Nodes, $Att, $Value);
	}

	// Get phrase
	function Phrase($Id, $UseText = FALSE) {
		if (is_object($this->Phrases)) {
			$ImageUrl = $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), "imageurl");
			$ImageWidth = $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), "imagewidth");
			$ImageHeight = $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), "imageheight");
			$ImageClass = $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), "class");
			$Text = $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), "value");
		} elseif (is_array($this->Phrases)) {
			$ImageUrl = ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"]["imageurl"]);
			$ImageWidth = ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"]["imagewidth"]);
			$ImageHeight = ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"]["imageheight"]);
			$ImageClass = ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"]["class"]);
			$Text = ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"]["value"]);
		}
		if (!$UseText && $ImageClass <> "") {
			return "<span data-phrase=\"" . $Id . "\" class=\"" . $ImageClass . "\" data-caption=\"" . ew_HtmlEncode($Text) . "\"></span>";
		} elseif (!$UseText && $ImageUrl <> "") {
			$style = ($ImageWidth <> "") ? " width: " . $ImageWidth . "px;" : "";
			$style .= ($ImageHeight <> "") ? " height: " . $ImageHeight . "px;" : "";
			return "<img data-phrase=\"" . $Id . "\" src=\"" . ew_HtmlEncode($ImageUrl) . "\" style=\"" . trim($style) . "\" alt=\"" . ew_HtmlEncode($Text) . "\" title=\"" . ew_HtmlEncode($Text) . "\">";
		} else {
			return $Text;
		}
	}

	// Set phrase
	function setPhrase($Id, $Value) {
		$this->setPhraseAttr($Id, "value", $Value);
	}

	// Get project phrase
	function ProjectPhrase($Id) {
		if (is_object($this->Phrases)) {
			return $this->GetNodeAtt($this->Phrases->SelectSingleNode("//project/phrase[@id='" . strtolower($Id) . "']"), "value");
		} elseif (is_array($this->Phrases)) {
			return ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["project"]["phrase"][strtolower($Id)]["attr"]["value"]);
		}
	}

	// Set project phrase
	function setProjectPhrase($Id, $Value) {
		if (is_object($this->Phrases)) {
			$this->SetNodeAtt($this->Phrases->SelectSingleNode("//project/phrase[@id='" . strtolower($Id) . "']"), "value", $Value);
		} elseif (is_array($this->Phrases)) {
			$this->Phrases["ew-language"]["project"]["phrase"][strtolower($Id)]["attr"]["value"] = $Value;
		}
	}

	// Get menu phrase
	function MenuPhrase($MenuId, $Id) {
		if (is_object($this->Phrases)) {
			return $this->GetNodeAtt($this->Phrases->SelectSingleNode("//project/menu[@id='" . $MenuId . "']/phrase[@id='" . strtolower($Id) . "']"), "value");
		} elseif (is_array($this->Phrases)) {
			return ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["project"]["menu"][$MenuId]["phrase"][strtolower($Id)]["attr"]["value"]);
		}
	}

	// Set menu phrase
	function setMenuPhrase($MenuId, $Id, $Value) {
		if (is_object($this->Phrases)) {
			$this->SetNodeAtt($this->Phrases->SelectSingleNode("//project/menu[@id='" . $MenuId . "']/phrase[@id='" . strtolower($Id) . "']"), "value", $Value);
		} elseif (is_array($this->Phrases)) {
			$this->Phrases["ew-language"]["project"]["menu"][$MenuId]["phrase"][strtolower($Id)]["attr"]["value"] = $Value;
		}
	}

	// Get table phrase
	function TablePhrase($TblVar, $Id) {
		if (is_object($this->Phrases)) {
			return $this->GetNodeAtt($this->Phrases->SelectSingleNode("//project/table[@id='" . strtolower($TblVar) . "']/phrase[@id='" . strtolower($Id) . "']"), "value");
		} elseif (is_array($this->Phrases)) {
			return ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["project"]["table"][strtolower($TblVar)]["phrase"][strtolower($Id)]["attr"]["value"]);
		}
	}

	// Set table phrase
	function setTablePhrase($TblVar, $Id, $Value) {
		if (is_object($this->Phrases)) {
			$this->SetNodeAtt($this->Phrases->SelectSingleNode("//project/table[@id='" . strtolower($TblVar) . "']/phrase[@id='" . strtolower($Id) . "']"), "value", $Value);
		} elseif (is_array($this->Phrases)) {
			$this->Phrases["ew-language"]["project"]["table"][strtolower($TblVar)]["phrase"][strtolower($Id)]["attr"]["value"] = $Value;
		}
	}

	// Get field phrase
	function FieldPhrase($TblVar, $FldVar, $Id) {
		if (is_object($this->Phrases)) {
			return $this->GetNodeAtt($this->Phrases->SelectSingleNode("//project/table[@id='" . strtolower($TblVar) . "']/field[@id='" . strtolower($FldVar) . "']/phrase[@id='" . strtolower($Id) . "']"), "value");
		} elseif (is_array($this->Phrases)) {
			return ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["project"]["table"][strtolower($TblVar)]["field"][strtolower($FldVar)]["phrase"][strtolower($Id)]["attr"]["value"]);
		}
	}

	// Set field phrase
	function setFieldPhrase($TblVar, $FldVar, $Id, $Value) {
		if (is_object($this->Phrases)) {
			$this->SetNodeAtt($this->Phrases->SelectSingleNode("//project/table[@id='" . strtolower($TblVar) . "']/field[@id='" . strtolower($FldVar) . "']/phrase[@id='" . strtolower($Id) . "']"), "value", $Value);
		} elseif (is_array($this->Phrases)) {
			$this->Phrases["ew-language"]["project"]["table"][strtolower($TblVar)]["field"][strtolower($FldVar)]["phrase"][strtolower($Id)]["attr"]["value"] = $Value;
		}
	}

	// Get phrase attribute
	function PhraseAttr($Id, $Name) {
		if (is_object($this->Phrases)) {
			return $this->GetNodeAtt($this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']"), strtolower($Name));
		} elseif (is_array($this->Phrases)) {
			return ew_ConvertFromUtf8(@$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"][strtolower($Name)]);
		}
		return "";
	}

	// Set phrase attribute
	function setPhraseAttr($Id, $Name, $Value) {
		if (is_object($this->Phrases)) {
			$Node = $this->Phrases->SelectSingleNode("//global/phrase[@id='" . strtolower($Id) . "']");
			if (!$Node) { // Create new phrase
				$Node = $this->Phrases->XmlDoc->createElement("phrase");
				$Node->setAttribute("id", $Id);
				$this->Phrases->SelectSingleNode("//global")->appendChild($Node);
			}
			$this->SetNodeAtt($Node, strtolower($Name), $Value);
		} elseif (is_array($this->Phrases)) {
			$this->Phrases["ew-language"]["global"]["phrase"][strtolower($Id)]["attr"][strtolower($Name)] = $Value;
		}
	}

	// Get phrase class
	function PhraseClass($Id) {
		return $this->PhraseAttr($Id, "class");
	}

	// Set phrase attribute
	function setPhraseClass($Id, $Value) {
		$this->setPhraseAttr($Id, "class", $Value);
	}

	// Output XML as JSON
	function XmlToJson($XPath) {
		$NodeList = $this->Phrases->SelectNodes($XPath);
		$Str = "{";
		foreach ($NodeList as $Node) {
			$Id = $this->GetNodeAtt($Node, "id");
			$Value = $this->GetNodeAtt($Node, "value");
			$Str .= "\"" . ew_JsEncode2($Id) . "\":\"" . ew_JsEncode2($Value) . "\",";
		}
		if (substr($Str, -1) == ",") $Str = substr($Str, 0, strlen($Str)-1);
		$Str .= "}";
		return $Str;
	}

	// Output array as JSON
	function ArrayToJson($client) {
		$ar = @$this->Phrases["ew-language"]["global"]["phrase"];
		$Str = "{";
		if (is_array($ar)) {
			foreach ($ar as $id => $node) {
				$is_client = @$node["attr"]["client"] == '1';
				$value = ew_ConvertFromUtf8(@$node["attr"]["value"]);
				if (!$client || ($client && $is_client))
					$Str .= "\"" . ew_JsEncode2($id) . "\":\"" . ew_JsEncode2($value) . "\",";
			}
		}
		if (substr($Str, -1) == ",") $Str = substr($Str, 0, strlen($Str)-1);
		$Str .= "}";
		return $Str;
	}

	// Output all phrases as JSON
	function AllToJson() {
		if (is_object($this->Phrases)) {
			return "var ewLanguage = new ew_Language(" . $this->XmlToJson("//global/phrase") . ");";
		} elseif (is_array($this->Phrases)) {
			return "var ewLanguage = new ew_Language(" . $this->ArrayToJson(FALSE) . ");";
		}
	}

	// Output client phrases as JSON
	function ToJson() {
		ew_SetClientVar("languages", array("languages" => $this->GetLanguages()));
		if (is_object($this->Phrases)) {
			return "var ewLanguage = new ew_Language(" . $this->XmlToJson("//global/phrase[@client='1']") . ");";
		} elseif (is_array($this->Phrases)) {
			return "var ewLanguage = new ew_Language(" . $this->ArrayToJson(TRUE) . ");";
		}
		return "";
	}

	// Output languages as array
	function GetLanguages() {
		global $EW_LANGUAGE_FILE, $gsLanguage;
		$ar = array();
		if (is_array($EW_LANGUAGE_FILE)) {
			$cnt = count($EW_LANGUAGE_FILE);
			if ($cnt > 1) {
				for ($i = 0; $i < $cnt; $i++) {
					$langid = $EW_LANGUAGE_FILE[$i][0];
					$phrase = $this->Phrase($langid) ?: $EW_LANGUAGE_FILE[$i][1];
					$ar[] = array("id" => $langid, "desc" => ew_ConvertFromUtf8($phrase), "selected" => $langid == $gsLanguage);
				}
			}
		}
		return $ar;
	}

	// Get template
	function GetTemplate() {
		if ($this->Template == "") {
			if (ew_SameText($this->Type, "LI")) { // LI template (for used with top Navbar)
				return '{{for languages}}<li{{if selected}} class="active"{{/if}}><a href="#" class="ewTooltip" title="{{>desc}}" onclick="ew_SetLanguage(this);" data-language="{{:id}}">{{:id}}</a></li>{{/for}}';
			} elseif (ew_SameText($this->Type, "DROPDOWN")) { // DROPDOWN template (for used with top Navbar)
				return '<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"><span class="glyphicon glyphicon-globe ewIcon" aria-hidden="true"></span>&nbsp;<span class="caret"></span></a><ul class="dropdown-menu">{{for languages}}<li{{if selected}} class="active"{{/if}}><a href="#" onclick="ew_SetLanguage(this);" data-language="{{:id}}">{{>desc}}</a></li>{{/for}}</ul></li>';
			} elseif (ew_SameText($this->Type, "SELECT")) { // SELECT template (NOT for used with top Navbar)
				return '<div class="ewLanguageOption"><select class="form-control" id="ewLanguage" name="ewLanguage" onchange="ew_SetLanguage(this);">{{for languages}}<option value="{{:id}}"{{if selected}} selected{{/if}}>{{:desc}}</option>{{/for}}</select></div>';
			} elseif (ew_SameText($this->Type, "RADIO")) { // RADIO template (NOT for used with top Navbar)
				return '<div class="ewLanguageOption"><div class="btn-group" data-toggle="buttons">{{for languages}}<label class="btn btn-default ewTooltip" data-container="body" data-placement="bottom" title="{{>desc}}"><input type="radio" name="ewLanguage" autocomplete="off" onchange="ew_SetLanguage(this);{{if selected}} checked{{/if}}" value="{{:id}}">{{:id}}</label>{{/for}}</div></div>';
			}
		}
		return $this->Template;
	}

	// Language Load event
	function Language_Load() {

		// Example:
		//$this->setPhrase("MyID", "MyValue"); // Refer to language file for the actual phrase id
		//$this->setPhraseClass("MyID", "glyphicon glyphicon-xxx ewIcon"); // Refer to http://getbootstrap.com/components/#glyphicons [^] for icon name

	}
}
/**
 * XML document class
 */

class cXMLDocument {
	var $Encoding = "utf-8";
	var $RootTagName;
	var $SubTblName = '';
	var $RowTagName;
	var $XmlDoc = FALSE;
	var $XmlTbl;
	var $XmlSubTbl;
	var $XmlRow;
	var $NullValue = 'NULL';

	// Constructor
	function __construct($encoding = "") {
		if ($encoding <> "")
			$this->Encoding = $encoding;
		if ($this->Encoding <> "") {
			$this->XmlDoc = new DOMDocument("1.0", strval($this->Encoding));
		} else {
			$this->XmlDoc = new DOMDocument("1.0");
		}
	}

	// Load
	function Load($filename) {
		$filepath = realpath($filename);
		return file_exists($filepath) ? $this->XmlDoc->load($filepath) : FALSE;
	}

	// Get document element
	function &DocumentElement() {
		$de = $this->XmlDoc->documentElement;
		return $de;
	}

	// Get attribute
	function GetAttribute($element, $name) {
		return ($element) ? ew_ConvertFromUtf8($element->getAttribute($name)) : "";
	}

	// Set attribute
	function SetAttribute($element, $name, $value) {
		if ($element)
			$element->setAttribute($name, ew_ConvertToUtf8($value));
	}

	// Select single node
	function SelectSingleNode($query) {
		$elements = $this->SelectNodes($query);
		return ($elements->length > 0) ? $elements->item(0) : NULL;
	}

	// Select nodes
	function SelectNodes($query) {
		$xpath = new DOMXPath($this->XmlDoc);
		return $xpath->query($query);
	}

	// Add root
	function AddRoot($roottagname = 'table') {
		$this->RootTagName = ew_XmlTagName($roottagname);
		$this->XmlTbl = $this->XmlDoc->createElement($this->RootTagName);
		$this->XmlDoc->appendChild($this->XmlTbl);
	}

	// Add row
	function AddRow($tabletagname = '', $rowtagname = 'row') {
		$this->RowTagName = ew_XmlTagName($rowtagname);
		$this->XmlRow = $this->XmlDoc->createElement($this->RowTagName);
		if ($tabletagname == '') {
			if ($this->XmlTbl)
				$this->XmlTbl->appendChild($this->XmlRow);
		} else {
			if ($this->SubTblName == '' || $this->SubTblName != $tabletagname) {
				$this->SubTblName = ew_XmlTagName($tabletagname);
				$this->XmlSubTbl = $this->XmlDoc->createElement($this->SubTblName);
				$this->XmlTbl->appendChild($this->XmlSubTbl);
			}
			if ($this->XmlSubTbl)
				$this->XmlSubTbl->appendChild($this->XmlRow);
		}
	}

	// Add field
	function AddField($name, $value) {
		if (is_null($value)) $value = $this->NullValue;
		$value = ew_ConvertToUtf8($value); // Convert to UTF-8
		$xmlfld = $this->XmlDoc->createElement(ew_XmlTagName($name));
		$this->XmlRow->appendChild($xmlfld);
		$xmlfld->appendChild($this->XmlDoc->createTextNode($value));
	}

	// Get XML
	function XML() {
		return $this->XmlDoc->saveXML();
	}
}
/**
 * Menu class
 */

class cMenu {
	var $Id;
	var $IsRoot;
	var $FollowLink = TRUE; // For sidebar menu
	var $Accordion = TRUE; // For sidebar menu
	var $UseSubmenuForRootHeader;
	var $Items = array();
	var $_nullItem = NULL;

	// Constructor
	function __construct($id, $isRoot = FALSE) {
		global $EW_USE_SUBMENU_FOR_ROOT_HEADER;
		$this->Id = $id;
		$this->IsRoot = $isRoot;
		$this->UseSubmenuForRootHeader = $EW_USE_SUBMENU_FOR_ROOT_HEADER;
	}

	// Add a menu item ($src for backward compatibility only)
	function AddMenuItem($id, $name, $text, $url, $parentId = -1, $src = "", $allowed = TRUE, $isHeader = FALSE, $isCustomUrl = FALSE, $icon = "", $label = "") {

		// For backward compatibility only (without $name)
		if (is_int($url) && is_bool($src)) {
			list($text, $url, $parentId, $src, $allowed, $isHeader, $isCustomUrl) = array($name, $text, $url, $parentId, $src, $allowed, $isHeader);
			$name = "mi_" . $id;
		}
		$item = new cMenuItem($id, $name, $text, $url, $parentId, $allowed, $isHeader, $isCustomUrl, $icon, $label);

		// Fire MenuItem_Adding event
		if (function_exists("MenuItem_Adding") && !MenuItem_Adding($item))
			return;
		if ($item->parentId < 0) {
			$this->AddItem($item);
		} else {
			if ($parentMenu = &$this->FindItem($item->parentId))
				$parentMenu->AddItem($item);
		}
	}

	// Add item to internal array
	function AddItem($item) {
		$this->Items[] = $item;
	}

	// Clear all menu items
	function Clear() {
		$this->Items = array();
	}

	// Find item
	function &FindItem($_id) {
		$cnt = count($this->Items);
		for ($i = 0; $i < $cnt; $i++) {
			$item = &$this->Items[$i];
			if ($item->id == $_id) {
				return $item;
			} elseif (!is_null($item->submenu)) {
				if ($subitem = &$item->submenu->FindItem($_id))
					return $subitem;
			}
		}
		$nullItem = $this->_nullItem;
		return $nullItem;
	}

	// Find item by menu text
	function &FindItemByText($txt) {
		$cnt = count($this->Items);
		for ($i = 0; $i < $cnt; $i++) {
			$item = &$this->Items[$i];
			if ($item->text == $txt) {
				return $item;
			} elseif (!is_null($item->submenu)) {
				if ($subitem = &$item->submenu->FindItemByText($txt))
					return $subitem;
			}
		}
		$nullItem = $this->_nullItem;
		return $nullItem;
	}

	// Get menu item count
	function Count() {
		return count($this->Items);
	}

	// Move item to position
	function MoveItem($text, $pos) {
		$cnt = count($this->Items);
		if ($pos < 0) {
			$pos = 0;
		} elseif ($pos >= $cnt) {
			$pos = $cnt - 1;
		}
		$item = NULL;
		$cnt = count($this->Items);
		for ($i = 0; $i < $cnt; $i++) {
			if ($this->Items[$i]->Text == $text) {
				$item = $this->Items[$i];
				break;
			}
		}
		if ($item) {
			unset($this->Items[$i]);
			$this->Items = array_merge(array_slice($this->Items, 0, $pos),
				array($item), array_slice($this->Items, $pos));
		}
	}

	// Check if a menu item should be shown
	function RenderItem($item) {
		if (!is_null($item->submenu)) {
			foreach ($item->submenu->Items as $subitem) {
				if ($item->submenu->RenderItem($subitem))
					return TRUE;
			}
		}
		return ($item->allowed && $item->url <> "");
	}

	// Check if a menu item should be opened
	function IsItemOpened($item) {
		if (!is_null($item->submenu)) {
			foreach ($item->submenu->Items as $subitem) {
				if ($item->submenu->IsItemOpened($subitem))
					return TRUE;
			}
		}
		return $item->active;
	}

	// Check if this menu should be rendered
	function RenderMenu() {
		foreach ($this->Items as $item) {
			if ($this->RenderItem($item))
				return TRUE;
		}
		return FALSE;
	}

	// Check if this menu should be opened
	function IsOpened() {
		foreach ($this->Items as $item) {
			if ($this->IsItemOpened($item))
				return TRUE;
		}
		return FALSE;
	}

	// Render the menu as array of object
	function Render() {
		if ($this->IsRoot && function_exists("Menu_Rendering"))
			Menu_Rendering($this);
		if (!$this->RenderMenu())
			return;
		$menu = array();
		$url = ew_CurrentUrl();
		$url = substr($url, strrpos($url, "/") + 1);
		foreach ($this->Items as $item) {
			if ($this->RenderItem($item)) {
				if ($item->isHeader && (!$this->IsRoot || !$this->UseSubmenuForRootHeader)) { // Group title (Header)
					$menu[] = $item->Render(FALSE);
					if (!is_null($item->submenu)) {
						foreach ($item->submenu->Items as $subitem) {
							if ($this->RenderItem($subitem)) {
								if (!$subitem->isCustomUrl && ew_CurrentPage() == ew_GetPageName($subitem->url) || $subitem->isCustomUrl && $url == $subitem->url) {
									$subitem->active = TRUE;
									$subitem->url = "#";
								}
								$menu[] = $subitem->Render();
							}
						}
					}
				} else {
					if (!$item->isCustomUrl && ew_CurrentPage() == ew_GetPageName($item->url) || $item->isCustomUrl && $url == $item->url) {
						$item->active = TRUE;
						$item->url = "#";
					}
					$menu[] = $item->Render();
				}
			}
		}
		if ($this->IsRoot && function_exists("Menu_Rendered"))
			Menu_Rendered($this);
		return count($menu) ? $menu : NULL;
	}

	// Returns the menu as JSON
	function ToJson() {
		$ar = array("items" => $this->Render(), "followLink" => $this->FollowLink, "accordion" => $this->Accordion);
		return ew_ConvertFromUtf8(json_encode($ar));
	}

	// Returns the menu as script tag
	function ToScript() {
		return '<script type="text/javascript">ewVar.menu = ' . $this->ToJson() . ';</script>';
	}
}

// Menu item class
class cMenuItem {
	var $id = "";
	var $name = "";
	var $text = "";
	var $url = "";
	var $parentId = -1;
	var $submenu = NULL; // Data type = cMenu
	var $allowed = TRUE;
	var $target = "";
	var $isHeader = FALSE;
	var $isCustomUrl = FALSE;
	var $href = ""; // href attribute
	var $active = FALSE;
	var $icon = "";
	var $attrs = "";
	var $label = ""; // HTML to be placed in pull-right-container (for vertical menu only)

	// Constructor
	function __construct($_id, $_name, $_text, $_url, $_parentId = -1, $_allowed = TRUE, $_isHeader = FALSE, $_isCustomUrl = FALSE, $_icon = "", $_label = "") {
		$this->id = $_id;
		$this->name = $_name;
		$this->text = $_text;
		$this->url = $_url;
		$this->parentId = $_parentId;
		$this->allowed = $_allowed;
		$this->isHeader = $_isHeader;
		$this->isCustomUrl = $_isCustomUrl;
		$this->icon = $_icon;
		$this->label = $_label;
	}

	// Set property case-insensitively (for backward compatibility) // PHP
	function __set($name, $value) {
		$vars = get_class_vars(get_class($this));
		foreach ($vars as $key => $val) {
			if (ew_SameText($name, $key)) {
				$this->$key = $value;
				break;
			}
		}
	}

	// Get property case-insensitively (for backward compatibility) // PHP
	function __get($name) {
		$vars = get_class_vars(get_class($this));
		foreach ($vars as $key => $val) {
			if (ew_SameText($name, $key)) {
				return $this->$key;
				break;
			}
		}
		return NULL;
	}

	// Add submenu item
	function AddItem($item) {
		if (is_null($this->submenu))
			$this->submenu = new cMenu($this->id);
		$this->submenu->AddItem($item);
	}

	// Render
	function Render($deep = TRUE) {
		$this->text = ew_ConvertToUtf8($this->text);
		$this->name = ew_ConvertToUtf8($this->name);
		$url = ew_GetUrl($this->url);
		if (ew_IsMobile() && !$this->isCustomUrl)
			$url = str_replace("#", (ew_ContainsStr($url, "?") ? "&" : "?") . "hash=", $url);
		if ($url == "")
			$url = "#";
		$this->href = $url;
		$this->attrs = trim($this->attrs);
		if ($this->attrs)
			$this->attrs = " " . $this->attrs;
		$class = trim($this->icon);
		if ($class) {
			$ar = explode(" ", $class);
			foreach ($ar as $name) {
				if (ew_StartsStr("fa-", $name) && !in_array("fa", $ar))
					$ar[] = "fa";
				elseif (ew_StartsStr("glyphicon-", $name) && !in_array("glyphicon", $ar))
					$ar[] = "glyphicon";
			}
			$this->icon = implode(" ", $ar);
		}
		$ar = (array)$this;
		unset($ar["url"], $ar["submenu"], $ar["allowed"], $ar["isCustomUrl"]);
		$ar["items"] = ($deep && !is_null($this->submenu)) ? $this->submenu->Render() : NULL;
		$ar["open"] = ($deep && !is_null($this->submenu)) ? $this->submenu->IsOpened() : FALSE;
		return $ar;
	}
}

// MenuItem Adding event
function MenuItem_Adding(&$Item) {

	//var_dump($Item);
	// Return FALSE if menu item not allowed

	return TRUE;
}

// Menu Rendering event
function Menu_Rendering(&$Menu) {

	// Change menu items here
}

// Menu Rendered event
function Menu_Rendered(&$Menu) {

	// Clean up here
}

// Output SCRIPT tag
function ew_AddClientScript($src, $attrs = NULL) {
	global $EW_RELATIVE_PATH;
	if ($EW_RELATIVE_PATH <> "" && !ew_StartsStr($EW_RELATIVE_PATH, $src))
		$src = $EW_RELATIVE_PATH . $src;
	$atts = array("type" => "text/javascript", "src" => $src);
	if (is_array($attrs))
		$atts = array_merge($atts, $attrs);
	echo ew_HtmlElement("script", $atts, "") . "\n";
}

// Output LINK tag
function ew_AddStylesheet($href, $attrs = NULL) {
	global $EW_RELATIVE_PATH;
	if ($EW_RELATIVE_PATH <> "" && !ew_StartsStr($EW_RELATIVE_PATH, $href))
		$href = $EW_RELATIVE_PATH . $href;
	$atts = array("rel" => "stylesheet", "type" => "text/css", "href" => $href);
	if (is_array($attrs))
		$atts = array_merge($atts, $attrs);
	echo ew_HtmlElement("link", $atts, "", FALSE) . "\n";
}

// Is Boolean attribute
function ew_IsBooleanAttr($attr) {
	global $EW_BOOLEAN_HTML_ATTRIBUTES;
	return in_array(strtolower($attr), $EW_BOOLEAN_HTML_ATTRIBUTES);
}

// Build HTML element
function ew_HtmlElement($tagname, $attrs, $innerhtml = "", $endtag = TRUE) {
	$html = "<" . $tagname;
	if (is_array($attrs)) {
		foreach ($attrs as $k => $v) {
			$k = trim($k);
			$v = trim($v);
			if ($k <> "" && ($v <> "" || ew_IsBooleanAttr($k))) { // Allow boolean attributes, e.g. "disabled"
				$html .= " " . $k;
				if ($v <> "")
					$html .= "=\"" . ew_HtmlEncode($v) . "\"";
			}
		}
	}
	$html .= ">";
	if (strval($innerhtml) <> "")
		$html .= $innerhtml;
	if ($endtag)
		$html .= "</" . $tagname . ">";
	return $html;
}

// Encode HTML
function ew_HtmlEncode($exp) {
	return @htmlspecialchars(strval($exp), ENT_COMPAT | ENT_HTML5, EW_ENCODING);
}

// Get title
function ew_HtmlTitle($name) {
	if (preg_match('/\s+title\s*=\s*[\'"]([\s\S]*?)[\'"]/i', $name, $matches)) { // Match title='title'
		return $matches[1];
	} elseif (preg_match('/\s+data-caption\s*=\s*[\'"]([\s\S]*?)[\'"]/i', $name, $matches)) { // Match data-caption='caption'
		return $matches[1];
	} else {
		return $name;
	}
}

// Get title and image
function ew_HtmlImageAndText($name) {
	if (preg_match('/<span([^>]*)>([\s\S]*?)<\/span\s*>/i', $name) || preg_match('/<img([^>]*)>/i', $name))
		$title = ew_HtmlTitle($name);
	else
		$title = $name;
	return ($title <> $name) ? $name . "&nbsp;" . $title : $name;
}

// XML tag name
function ew_XmlTagName($name) {
	if (!preg_match('/\A(?!XML)[a-z][\w0-9-]*/i', $name))
		$name = "_" . $name;
	return $name;
}

// Debug timer
class cTimer {
	public $StartTime;
	public static $Template = "<div class=\"alert alert-info ewAlert\">Page processing time: {time} seconds</div>";

	// Constructor
	function __construct($start = TRUE) {
		if ($start)
			$this->Start();
	}

	// Get time
	function GetTime() {
		return microtime(TRUE);
	}

	// Get elapsed time
	function GetElapsedTime() {
		$curtime = $this->GetTime();
		if (isset($curtime) && isset($this->StartTime) && $curtime > $this->StartTime)
		return $curtime - $this->StartTime;
	}

	// Get script start time
	function Start() {
		if (EW_DEBUG_ENABLED)
			$this->StartTime = $this->GetTime();
	}

	// Display elapsed time (in seconds)
	function Stop() {
		if (EW_DEBUG_ENABLED) {
			$time = $this->GetElapsedTime();
			echo str_replace("{time}", number_format($time, 6), self::$Template);
		}
	}
}

// Convert XML to array
function ew_Xml2Array($contents) {
	if (!$contents) return array();
	if (!function_exists("xml_parser_create")) return FALSE;
	$get_attributes = 1; // Always get attributes. DO NOT CHANGE!

	// Get the XML Parser of PHP
	$parser = xml_parser_create();
	xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8"); // Always return in utf-8
	xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
	xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
	xml_parse_into_struct($parser, trim($contents), $xml_values);
	xml_parser_free($parser);
	if (!$xml_values) return;
	$xml_array = array();
	$parents = array();
	$opened_tags = array();
	$arr = array();
	$current = &$xml_array;
	$repeated_tag_index = array(); // Multiple tags with same name will be turned into an array
	foreach ($xml_values as $data) {
		unset($attributes, $value); // Remove existing values

		// Extract these variables into the foreach scope
		// - tag(string), type(string), level(int), attributes(array)

		extract($data);
		$result = array();
		if (isset($value))
			$result["value"] = $value; // Put the value in a assoc array

		// Set the attributes
		if (isset($attributes) and $get_attributes) {
			foreach ($attributes as $attr => $val)
				$result["attr"][$attr] = $val; // Set all the attributes in a array called 'attr'
		}

		// See tag status and do the needed
		if ($type == "open") { // The starting of the tag '<tag>'
			$parent[$level-1] = &$current;
			if (!is_array($current) || !in_array($tag, array_keys($current))) { // Insert New tag
				if ($tag <> 'ew-language' && @$result["attr"]["id"] <> '') { //
					$last_item_index = $result["attr"]["id"];
					$current[$tag][$last_item_index] = $result;
					$repeated_tag_index[$tag . '_' . $level] = 1;
					$current = &$current[$tag][$last_item_index];
				} else {
					$current[$tag] = $result;
					$repeated_tag_index[$tag . '_' . $level] = 0;
					$current = &$current[$tag];
				}
			} else { // Another element with the same tag name
				if ($repeated_tag_index[$tag . '_' . $level] > 0) { // If there is a 0th element it is already an array
					if (@$result["attr"]["id"] <> '') {
						$last_item_index = $result["attr"]["id"];
					} else {
						$last_item_index = $repeated_tag_index[$tag . '_' . $level];
					}
					$current[$tag][$last_item_index] = $result;
					$repeated_tag_index[$tag . '_' . $level]++;
				} else { // Make the value an array if multiple tags with the same name appear together
					$temp = $current[$tag];
					$current[$tag] = array();
					if (@$temp["attr"]["id"] <> '') {
						$current[$tag][$temp["attr"]["id"]] = $temp;
					} else {
						$current[$tag][] = $temp;
					}
					if (@$result["attr"]["id"] <> '') {
						$last_item_index = $result["attr"]["id"];
					} else {
						$last_item_index = 1;
					}
					$current[$tag][$last_item_index] = $result;
					$repeated_tag_index[$tag . '_' . $level] = 2;
				}
				$current = &$current[$tag][$last_item_index];
			}
		} elseif ($type == "complete") { // Tags that ends in one line '<tag />'
			if (!isset($current[$tag])) { // New key
				$current[$tag] = array(); // Always use array for "complete" type
				if (@$result["attr"]["id"] <> '') {
					$current[$tag][$result["attr"]["id"]] = $result;
				} else {
					$current[$tag][] = $result;
				}
				$repeated_tag_index[$tag . '_' . $level] = 1;
			} else { // Existing key
				if (@$result["attr"]["id"] <> '') {
					$current[$tag][$result["attr"]["id"]] = $result;
				} else {
					$current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
				}
				$repeated_tag_index[$tag . '_' . $level]++;
			}
		} elseif ($type == 'close') { // End of tag '</tag>'
			$current = &$parent[$level-1];
		}
	}
	return $xml_array;
}

// Encode value for double-quoted Javascript string
function ew_JsEncode2($val) {
	$val = strval($val);
	if (EW_IS_DOUBLE_BYTE)
		$val = ew_ConvertToUtf8($val);
	$val = str_replace("\\", "\\\\", $val);
	$val = str_replace("\"", "\\\"", $val);
	$val = str_replace("\t", "\\t", $val);
	$val = str_replace("\r", "\\r", $val);
	$val = str_replace("\n", "\\n", $val);
	if (EW_IS_DOUBLE_BYTE)
		$val = ew_ConvertFromUtf8($val);
	return $val;
}

// Encode value to single-quoted Javascript string for HTML attributes
function ew_JsEncode3($val) {
	$val = strval($val);
	if (EW_IS_DOUBLE_BYTE)
		$val = ew_ConvertToUtf8($val);
	$val = str_replace("\\", "\\\\", $val);
	$val = str_replace("'", "\\'", $val);
	$val = str_replace("\"", "&quot;", $val);
	if (EW_IS_DOUBLE_BYTE)
		$val = ew_ConvertFromUtf8($val);
	return $val;
}

// Convert array to JSON for HTML attributes
function ew_ArrayToJsonAttr($ar) {
	$Str = "{";
	foreach ($ar as $key => $val)
		$Str .= $key . ":'" . ew_JsEncode3($val) . "',";
	if (substr($Str, -1) == ",") $Str = substr($Str, 0, strlen($Str)-1);
	$Str .= "}";
	return $Str;
}

// Get current page name
function ew_CurrentPage() {
	return ew_GetPageName(ew_ScriptName());
}

// Get page name
function ew_GetPageName($url) {
	$PageName = "";
	if ($url <> "") {
		$PageName = $url;
		$p = strpos($PageName, "?");
		if ($p !== FALSE)
			$PageName = substr($PageName, 0, $p); // Remove QueryString
		$p = strrpos($PageName, "/");
		if ($p !== FALSE)
			$PageName = substr($PageName, $p + 1); // Remove path
	}
	return $PageName;
}

// Get current user levels as array of user level IDs
function CurrentUserLevels() {
	global $Security;
	if (isset($Security)) {
		return $Security->UserLevelID;
	} else {
		if (isset($_SESSION[EW_SESSION_USER_LEVEL_ID])) {
			return array($_SESSION[EW_SESSION_USER_LEVEL_ID]);
		} else {
			return array();
		}
	}
}

// Check if menu item is allowed for current user level
function AllowListMenu($TableName) {
	if (IsLoggedIn()) { // Get user level ID list as array
		$userlevels = CurrentUserLevels(); // Get user level ID list as array
	} else { // Get anonymous user level ID
		$userlevels = array(-2);
	}
	if (in_array("-1", $userlevels)) {
		return TRUE;
	} else {
		$priv = 0;
		if (is_array(@$_SESSION[EW_SESSION_AR_USER_LEVEL_PRIV])) {
			foreach ($_SESSION[EW_SESSION_AR_USER_LEVEL_PRIV] as $row) {
				if (strval($row[0]) == strval($TableName) &&
					in_array($row[1], $userlevels)) {
					$thispriv = $row[2];
					if (is_null($thispriv))
						$thispriv = 0;
					$thispriv = intval($thispriv);
					$priv = $priv | $thispriv;
				}
			}
		}
		return ($priv & EW_ALLOW_LIST);
	}
}

// Get script name
if (!function_exists("ew_ScriptName")) {

	function ew_ScriptName() {
		$sn = ew_ServerVar("SCRIPT_NAME");
		if (empty($sn)) $sn = ew_ServerVar("URL");
		if (empty($sn)) $sn = ew_ServerVar("PHP_SELF");
		if (empty($sn)) $sn = ew_ServerVar("ORIG_PATH_INFO");

		//if (empty($sn)) $sn = ew_ServerVar("ORIG_SCRIPT_NAME");
		if (empty($sn)) $sn = ew_ServerVar("REQUEST_URI");
		if (empty($sn)) $sn = "UNKNOWN";
		return $sn;
	}
}

// Get server variable by name
function ew_ServerVar($Name) {
	$str = @$_SERVER[$Name];
	if (empty($str)) $str = @$_ENV[$Name];
	return $str;
}

// Get css file
function ew_CssFile($f) {
	global $EW_CSS_FLIP;
	if ($EW_CSS_FLIP)
		return preg_replace('/(.css)$/i', "-rtl.css", $f);
	else
		return $f;
}

// Check if HTTPS
function ew_IsHttps() {
	return ew_ServerVar("HTTPS") <> "" && ew_ServerVar("HTTPS") <> "off" ||
		ew_ServerVar("SERVER_PORT") == 443 ||
		ew_ServerVar("HTTP_X_FORWARDED_PROTO") <> "" && ew_ServerVar("HTTP_X_FORWARDED_PROTO") == "https";
}

// Get domain URL
function ew_DomainUrl() {
	$sUrl = "http";
	$bSSL = ew_IsHttps();
	$sPort = strval(ew_ServerVar("SERVER_PORT"));
	if (ew_ServerVar("HTTP_X_FORWARDED_PROTO") <> "" && strval(ew_ServerVar("HTTP_X_FORWARDED_PORT")) <> "")
		$sPort = strval(ew_ServerVar("HTTP_X_FORWARDED_PORT"));
	$defPort = ($bSSL) ? "443" : "80";
	$sPort = ($sPort == $defPort) ? "" : (":" . $sPort);
	$sUrl .= ($bSSL) ? "s" : "";
	$sUrl .= "://";
	$sUrl .= ew_ServerVar("SERVER_NAME") . $sPort;
	return $sUrl;
}

// Get current URL
function ew_CurrentUrl() {
	$s = ew_ScriptName();
	$q = ew_ServerVar("QUERY_STRING");
	if ($q <> "") $s .= "?" . $q;
	return $s;
}

// Get full URL
function ew_FullUrl($url = "", $type = "") {
	if (ew_IsRemote($url))
		return $url;
	global $EW_FULL_URL_PROTOCOLS;
	$sUrl = ew_DomainUrl() . ew_ScriptName();
	if ($url <> "")
		$sUrl = substr($sUrl, 0, strrpos($sUrl, "/") + 1) . $url;
	$protocol = @$EW_FULL_URL_PROTOCOLS[$type];
	if ($protocol)
		$sUrl = preg_replace('/^\w+(?!:\/\/)/i', $protocol, $sUrl);
	return $sUrl;
}

// Get relative URL
function ew_GetUrl($url) {
	global $EW_RELATIVE_PATH;
	if ($url != "" && !ew_StartsStr("/", $url) && !ew_ContainsStr($url, "://") && !ew_ContainsStr($url, "\\") && !ew_ContainsStr($url, "javascript:")) {
		$path = "";
		if (strrpos($url, "/") !== FALSE) {
			$path = substr($url, 0, strrpos($url, "/"));
			$url = substr($url, strrpos($url, "/")+1);
		}
		$path = ew_PathCombine($EW_RELATIVE_PATH, $path, FALSE);
		if ($path <> "") $path = ew_IncludeTrailingDelimiter($path, FALSE);
		return $path . $url;
	} else {
		return $url;
	}
}

// Include mobile_detect.php
if (!class_exists("Mobile_Detect"))
	include_once "mobile_detect.php";

// Check if mobile device
function ew_IsMobile() {
	global $MobileDetect, $IsMobile;
	if (isset($IsMobile))
		return $IsMobile;
	if (!isset($MobileDetect)) {
		$MobileDetect = new Mobile_Detect;
		$IsMobile = $MobileDetect->isMobile();
	}
	return $IsMobile;
}

// Check if responsive layout
function ew_IsResponsiveLayout() {
	return $GLOBALS["EW_USE_RESPONSIVE_LAYOUT"];
}

// Execute UPDATE, INSERT, or DELETE statements
if (!function_exists("ew_Execute")) {

	function ew_Execute($SQL, $fn = NULL, $c = NULL) {
		if (is_null($c) && (is_string($fn) || is_object($fn) && method_exists($fn, "Execute")))
			$c = $fn;
		if (is_string($c))
			$c = &Conn($c);
		$conn = ($c) ? $c : $GLOBALS["conn"];
		$conn->raiseErrorFn = $GLOBALS["EW_ERROR_FN"];
		$rs = $conn->Execute($SQL);
		$conn->raiseErrorFn = '';
		if (is_callable($fn) && $rs) {
			while (!$rs->EOF) {
				$fn($rs->fields);
				$rs->MoveNext();
			}
			$rs->MoveFirst(); // For MySQL and PostgreSQL only
		}
		return $rs;
	}
}

// Executes the query, and returns the first column of the first row
if (!function_exists("ew_ExecuteScalar")) {

	function ew_ExecuteScalar($SQL, $c = NULL) {
		$res = FALSE;
		$rs = ew_LoadRecordset($SQL, $c);
		if ($rs && !$rs->EOF && $rs->FieldCount() > 0) {
			$res = $rs->fields[0];
			$rs->Close();
		}
		return $res;
	}
}

// Executes the query, and returns the first row
if (!function_exists("ew_ExecuteRow")) {

	function ew_ExecuteRow($SQL, $c = NULL) {
		$res = FALSE;
		$rs = ew_LoadRecordset($SQL, $c);
		if ($rs && !$rs->EOF) {
			$res = $rs->fields;
			$rs->Close();
		}
		return $res;
	}
}

// Executes the query, and returns all rows
if (!function_exists("ew_ExecuteRows")) {

	function ew_ExecuteRows($SQL, $c = NULL) {
		$res = FALSE;
		$rs = ew_LoadRecordset($SQL, $c);
		if ($rs && !$rs->EOF) {
			$res = $rs->GetRows();
			$rs->Close();
		}
		return $res;
	}
}

// Executes the query, and returns all rows as JSON
// options: header(bool), utf8(bool), array(bool), firstonly(bool)

if (!function_exists("ew_ExecuteJson")) {

	function ew_ExecuteJson($SQL, $options = NULL, $c = NULL) {
		$ar = is_array($options) ? $options : array();
		if (is_bool($options)) // First only, backward compatibility
			$ar["firstonly"] = $options;
		if (is_null($c) && is_object($options) && method_exists($options, "Execute")) // ew_ExecuteJson($SQL, $c)
			$c = $options;
		$res = "false";
		$header = array_key_exists("header", $ar) && $ar["header"]; // Set header for JSON
		$utf8 = $header || array_key_exists("utf8", $ar) && $ar["utf8"]; // Convert to utf-8
		$array = array_key_exists("array", $ar) && $ar["array"];
		$firstonly = array_key_exists("firstonly", $ar) && $ar["firstonly"];
		if ($firstonly)
			$rows = array(ew_ExecuteRow($SQL, $c));
		else
			$rows = ew_ExecuteRows($SQL, $c);
		if (is_array($rows)) {
			$arOut = array();
			foreach ($rows as $row) {
				$arwrk = array();
				foreach ($row as $key => $val) {
					if (($array && is_string($key)) || (!$array && is_int($key)))
						continue;
					$key = ($array) ? "" : "\"" . ew_JsEncode2($key) . "\":";
					$arwrk[] = $key . ew_VarToJson($val);
				}
				if ($array) { // Array
					$arOut[] = "[" . implode(",", $arwrk) . "]";
				} else { // Object
					$arOut[] = "{" . implode(",", $arwrk) . "}";
				}
			}
			$res = ($firstonly) ? $arOut[0] : "[" . implode(",", $arOut) . "]";
			if ($utf8)
				$res = ew_ConvertToUtf8($res);
		}
		if ($header)
			header("Content-Type: application/json; charset=utf-8");
		return $res;
	}
}

// Get result in HTML table
// options: fieldcaption(bool|array), horizontal(bool), tablename(string|array), tableclass(string)

if (!function_exists("ew_ExecuteHtml")) {

	// Get result in HTML table
	function ew_ExecuteHtml($SQL, $options = NULL, $c = NULL) {
		$TableClass = "table table-bordered ewDbTable"; // Table CSS class name
		$ar = is_array($options) ? $options : array();
		$horizontal = (array_key_exists("horizontal", $ar) && $ar["horizontal"]);
		$rs = ew_LoadRecordset($SQL, $c);
		if (!$rs || $rs->EOF || $rs->FieldCount() < 1)
			return "";
		$html = "";
		$class = (array_key_exists("tableclass", $ar) && $ar["tableclass"]) ? $ar["tableclass"] : $TableClass;
		if ($rs->RecordCount() > 1 || $horizontal) { // Horizontal table
			$cnt = $rs->FieldCount();
			$html = "<table class=\"" . $class . "\">";
			$html .= "<thead><tr>";
			$row = &$rs->fields;
			foreach ($row as $key => $value) {
				if (!is_numeric($key))
					$html .= "<th>" . ew_GetFieldCaption($key, $ar) . "</th>";
			}
			$html .= "</tr></thead>";
			$html .= "<tbody>";
			$rowcnt = 0;
			while (!$rs->EOF) {
				$html .= "<tr>";
				$row = &$rs->fields;
				foreach ($row as $key => $value) {
					if (!is_numeric($key))
						$html .= "<td>" . $value . "</td>";
				}
				$html .= "</tr>";
				$rs->MoveNext();
			}
			$html .= "</tbody></table>";
		} else { // Single row, vertical table
			$html = "<table class=\"" . $class . "\"><tbody>";
			$row = &$rs->fields;
			foreach ($row as $key => $value) {
				if (!is_numeric($key)) {
					$html .= "<tr>";
					$html .= "<td>" . ew_GetFieldCaption($key, $ar) . "</td>";
					$html .= "<td>" . $value . "</td></tr>";
				}
			}
			$html .= "</tbody></table>";
		}
		return $html;
	}

	// Get field caption
	function ew_GetFieldCaption($key, $ar) {
		global $Language;
		$caption = "";
		if (!is_array($ar))
			return $key;
		$tablename = @$ar["tablename"];
		$usecaption = (array_key_exists("fieldcaption", $ar) && $ar["fieldcaption"]);
		if ($usecaption) {
			if (is_array($ar["fieldcaption"])) {
				$caption = @$ar["fieldcaption"][$key];
			} elseif (isset($Language)) {
				if (is_array($tablename)) {
					foreach ($tablename as $tbl) {
						$caption = @$Language->FieldPhrase($tbl, $key, "FldCaption");
						if ($caption <> "")
							break;
					}
				} elseif ($tablename <> "") {
					$caption = @$Language->FieldPhrase($tablename, $key, "FldCaption");
				}
			}
		}
		return ($caption <> "") ? $caption : $key;
	}
}

// Load recordset
if (!function_exists("ew_LoadRecordset")) {

	function &ew_LoadRecordset($SQL, $c = NULL) {
		if (is_string($c))
			$c = &Conn($c);
		$conn = ($c) ? $c : $GLOBALS["conn"];
		$rs = $conn->Execute($SQL);
		return $rs;
	}
}

// Prepend CSS class name
function ew_PrependClass(&$attr, $classname) {
	$classname = trim($classname);
	if ($classname <> "") {
		$ar = array_filter(explode(" ", $attr));
		array_unshift($ar, $classname);
		$ar = array_unique($ar);
		$attr = implode(" ", $ar);
	}
}

// Append CSS class name
function ew_AppendClass(&$attr, $classname) {
	$classname = trim($classname);
	if ($classname <> "") {
		$ar = array_filter(explode(" ", $attr));
		array_push($ar, $classname);
		$ar = array_unique($ar);
		$attr = implode(" ", $ar);
	}
}

// Remove CSS class name
function ew_RemoveClass(&$attr, $classname) {
	$classname = trim($classname);
	if ($classname <> "") {
		$ar = array_filter(explode(" ", $attr));
		$ar = array_diff($ar, array($classname));
		$attr = implode(" ", $ar);
	}
}

// Get numeric formatting information
function ew_LocaleConv() {
	$langid = CurrentLanguageID();
	$localefile = EW_LOCALE_FOLDER . strtolower($langid) . ".json";
	if (!file_exists($localefile)) // Locale file not found, fall back to English ("en") locale
		$localefile = EW_LOCALE_FOLDER . "en.json";
	$locale = json_decode(file_get_contents($localefile), TRUE);
	$locale["currency_symbol"] = ew_ConvertFromUtf8($locale["currency_symbol"]);
	return $locale;
}

// Get internal default date format (e.g. "yyyy/mm/dd"") from date format (int)
// 5 - Ymd (default)
// 6 - mdY
// 7 - dmY
// 9 - YmdHis
// 10 - mdYHis
// 11 - dmYHis
// 12 - ymd
// 13 - mdy
// 14 - dmy
// 15 - ymdHis
// 16 - mdyHis
// 17 - dmyHis
function ew_DateFormat($dateFormat) {
	global $EW_DATE_SEPARATOR;
	if (is_numeric($dateFormat)) {
		$dateFormat = intval($dateFormat);
		switch ($dateFormat) {
			case 5:
			case 9:
				return "yyyy" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "dd";
			case 6:
			case 10:
				return "mm" . $EW_DATE_SEPARATOR . "dd" . $EW_DATE_SEPARATOR . "yyyy";
			case 7:
			case 11:
				return "dd" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "yyyy";
			case 12:
			case 15:
				return "yy" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "dd";
			case 13:
			case 16:
				return "mm" . $EW_DATE_SEPARATOR . "dd" . $EW_DATE_SEPARATOR . "yy";
			case 14:
			case 17:
				return "dd" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "yy";
		}
	} elseif (is_string($dateFormat)) {
		switch (substr($dateFormat, 0, 3)) {
			case "Ymd":
				return "yyyy" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "dd";
			case "mdY":
				return "mm" . $EW_DATE_SEPARATOR . "dd" . $EW_DATE_SEPARATOR . "yyyy";
			case "dmY":
				return "dd" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "yyyy";
			case "ymd":
				return "yy" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "dd";
			case "mdy":
				return "mm" . $EW_DATE_SEPARATOR . "dd" . $EW_DATE_SEPARATOR . "yy";
			case "dmy":
				return "dd" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "yy";
		}
	}
	return "yyyy" . $EW_DATE_SEPARATOR . "mm" . $EW_DATE_SEPARATOR . "dd";
}

// Validate locale file date format
function ew_DateFormatId($dateFormat) {
	if (is_numeric($dateFormat)) {
		$dateFormat = intval($dateFormat);
		return (in_array($dateFormat, array(5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17))) ? $dateFormat : 5;
	} elseif (is_string($dateFormat)) {
		switch ($dateFormat) {
			case "Ymd":
				return 5;
			case "mdY":
				return 6;
			case "dmY":
				return 7;
			case "YmdHis":
				return 9;
			case "mdYHis":
				return 10;
			case "dmYHis":
				return 11;
			case "ymd":
				return 12;
			case "mdy":
				return 13;
			case "dmy":
				return 14;
			case "ymdHis":
				return 15;
			case "mdyHis":
				return 16;
			case "dmyHis":
				return 17;
		}
	}
	return 5;
}

// Get path relative to a base path
function ew_PathCombine($BasePath, $RelPath, $PhyPath) {
	if (ew_IsRemote($RelPath)) // Allow remote file
		return $RelPath;
	$PhyPath = !ew_IsRemote($BasePath) && $PhyPath;
	$Delimiter = ($PhyPath) ? EW_PATH_DELIMITER : '/';
	if ($BasePath <> $Delimiter) // If BasePath = root, do not remove delimiter
		$BasePath = ew_RemoveTrailingDelimiter($BasePath, $PhyPath);
	$RelPath = ($PhyPath) ? str_replace(array('/', '\\'), EW_PATH_DELIMITER, $RelPath) : str_replace('\\', '/', $RelPath);
	$RelPath = ew_IncludeTrailingDelimiter($RelPath, $PhyPath);
	$p1 = strpos($RelPath, $Delimiter);
	$Path2 = "";
	while ($p1 !== FALSE) {
		$Path = substr($RelPath, 0, $p1 + 1);
		if ($Path == $Delimiter || $Path == '.' . $Delimiter) {

			// Skip
		} elseif ($Path == '..' . $Delimiter) {
			$p2 = strrpos($BasePath, $Delimiter);
			if ($p2 === 0) // BasePath = "/xxx", cannot move up
				$BasePath = $Delimiter;
			elseif ($p2 !== FALSE && substr($BasePath, -2) <> "..")
				$BasePath = substr($BasePath, 0, $p2);
			elseif ($BasePath <> "" && $BasePath <> "." && $BasePath <> "..")
				$BasePath = "";
			else
				$Path2 .= ".." . $Delimiter;
		} else {
			$Path2 .= $Path;
		}
		$RelPath = substr($RelPath, $p1+1);
		if ($RelPath === FALSE)
			$RelPath = "";
		$p1 = strpos($RelPath, $Delimiter);
	}
	return (($BasePath === "" || $BasePath === ".") ? "" : ew_IncludeTrailingDelimiter($BasePath, $PhyPath)) . $Path2 . $RelPath;
}

// Remove the last delimiter for a path
function ew_RemoveTrailingDelimiter($Path, $PhyPath) {
	$Delimiter = (!ew_IsRemote($Path) && $PhyPath) ? EW_PATH_DELIMITER : '/';
	while (substr($Path, -1) == $Delimiter)
		$Path = substr($Path, 0, strlen($Path)-1);
	return $Path;
}

// Include the last delimiter for a path
function ew_IncludeTrailingDelimiter($Path, $PhyPath) {
	$Path = ew_RemoveTrailingDelimiter($Path, $PhyPath);
	$Delimiter = (!ew_IsRemote($Path) && $PhyPath) ? EW_PATH_DELIMITER : '/';
	return $Path . $Delimiter;
}

// Get session timeout time (seconds)
function ew_SessionTimeoutTime() {
	if (EW_SESSION_TIMEOUT > 0) // User specified timeout time
		$mlt = EW_SESSION_TIMEOUT * 60;
	else // Get max life time from php.ini
		$mlt = intval(ini_get("session.gc_maxlifetime"));
	if ($mlt <= 0)
		$mlt = 1440; // PHP default (1440s = 24min)
	return $mlt - 30; // Add some safety margin
}

// Contains a substring (case-sensitive)
function ew_ContainsStr($haystack, $needle, $offset = 0) {
	return strpos($haystack, $needle, $offset) !== FALSE;
}

// Contains a substring (case-insensitive)
function ew_ContainsText($haystack, $needle, $offset = 0) {
	return stripos($haystack, $needle, $offset) !== FALSE;
}

// Starts with a substring (case-sensitive)
function ew_StartsStr($needle, $haystack) {
	return strpos($haystack, $needle) === 0;
}

// Starts with a substring (case-insensitive)
function ew_StartsText($needle, $haystack) {
	return stripos($haystack, $needle) === 0;
}

// Ends with a substring (case-sensitive)
function ew_EndsStr($needle, $haystack) {
	return strrpos($haystack, $needle) === strlen($haystack) - strlen($needle);
}

// Ends with a substring (case-insensitive)
function ew_EndsText($needle, $haystack) {
	return strripos($haystack, $needle) === strlen($haystack) - strlen($needle);
}

// Same trimmed strings (case-sensitive)
function ew_SameStr($str1, $str2) {
	return strcmp(trim($str1), trim($str2)) === 0;
}

// Same trimmed strings (case-insensitive)
function ew_SameText($str1, $str2) {
	return strcasecmp(trim($str1), trim($str2)) === 0;
}

// Set client variable
function ew_SetClientVar($name, $value) {
	global $EW_CLIENT_VAR;
	if (strval($name) <> "")
		$EW_CLIENT_VAR[strval($name)] = $value;
}

// Is remote path
function ew_IsRemote($Path) {
	global $EW_REMOTE_FILE_PATTERN;
	return preg_match($EW_REMOTE_FILE_PATTERN, $Path);
}

// Get/Set global login status array
function &LoginStatus($name = "", $value = NULL) {
	global $LoginStatus;
	$numargs = func_num_args();
	if ($numargs == 1) { // Get
		$value = (array_key_exists($name, $LoginStatus)) ? $LoginStatus[$name] : NULL;
		return $value;
	} elseif ($numargs == 2) { // Set
		$LoginStatus[$name] = $value;
	}
	return $LoginStatus;
}

// Is auto login (login with option "Auto login until I logout explicitly")
function IsAutoLogin() {
	return (@$_SESSION[EW_SESSION_USER_LOGIN_TYPE] == "a");
}

// Get current page heading
function CurrentPageHeading() {
	global $Language, $Page;
	if (EW_PAGE_TITLE_STYLE <> "Title" && isset($Page) && method_exists($Page, "PageHeading")) {
		$heading = $Page->PageHeading();
		if ($heading <> "")
			return $heading;
	}
	return $Language->ProjectPhrase("BodyTitle");
}

// Get current page subheading
function CurrentPageSubheading() {
	global $Page;
	$heading = "";
	if (EW_PAGE_TITLE_STYLE <> "Title" && isset($Page) && method_exists($Page, "PageSubheading"))
		$heading = $Page->PageSubheading();
	return $heading;
}

// Set up login status
function SetupLoginStatus() {
	global $LoginStatus, $Language;
	$LoginStatus["isLoggedIn"] = IsLoggedIn();
	$LoginStatus["currentUserName"] = CurrentUserName();
	$LoginStatus["logoutUrl"] = ew_GetUrl("logout.php");
	$LoginStatus["logoutText"] = $Language->Phrase("Logout");
	$LoginStatus["loginUrl"] = ew_GetUrl("login.php");
	$LoginStatus["loginText"] = $Language->Phrase("Login");
	$LoginStatus["canLogin"] = !IsLoggedIn() && !ew_EndsStr($LoginStatus["loginUrl"], @$_SERVER["URL"]);
	$LoginStatus["canLogout"] = IsLoggedIn();
}
?>