diff --git a/booking.module b/booking.module
index a900b26..17bf332 100644
--- a/booking.module
+++ b/booking.module
@@ -39,9 +39,9 @@ module_load_include('inc', 'booking', 'booking.reports');
// Load the include for the admin pages
module_load_include('inc', 'booking', 'booking.admin');
// Load the include for admin pages relating to events
-module_load_include('inc', 'booking', 'booking.events');
+//module_load_include('inc', 'booking', 'booking.events');
// Load the include for admin pages relating to event pricing
-module_load_include('inc', 'booking', 'booking.prices');
+//module_load_include('inc', 'booking', 'booking.prices');
// Load the include for admin pages relating to manual processing of payments
module_load_include('inc', 'booking', 'booking.manual_payment');
// Load the include for helper functions
@@ -243,7 +243,8 @@ function booking_menu() {
'page callback' => 'drupal_get_form',
'page arguments' => array('booking_event_admin'),
'access arguments' => array('administer site configuration'),
- 'weight' => -97,
+ 'weight' => -97,
+ 'file' => 'booking.events.inc',
//'type' => MENU_LOCAL_TASK,
);
$items['admin/config/booking/prices'] = array(
@@ -252,7 +253,8 @@ function booking_menu() {
'page callback' => 'drupal_get_form',
'page arguments' => array('booking_price_admin'),
'access arguments' => array('administer site configuration'),
- 'weight' => -96,
+ 'weight' => -96,
+ 'file' => 'booking.prices.inc',
//'type' => MENU_LOCAL_TASK,
);
@@ -744,6 +746,7 @@ function booking_menu() {
'page arguments' => array('booking_price_form', true),
'access arguments' => array('access administration pages'),
'type' => MENU_LOCAL_ACTION,
+ 'file' => 'booking.prices.inc',
);
$items['admin/config/booking/prices/%/edit'] = array(
@@ -752,6 +755,7 @@ function booking_menu() {
'page arguments' => array('booking_price_form', false, 4),
'access arguments' => array('access administration pages'),
'type' => MENU_CALLBACK,
+ 'file' => 'booking.prices.inc',
);
//Configure events
@@ -762,6 +766,7 @@ function booking_menu() {
'page arguments' => array('booking_event_form', true),
'access arguments' => array('access administration pages'),
'type' => MENU_LOCAL_ACTION,
+ 'file' => 'booking.events.inc',
);
$items['admin/config/booking/events/%/edit'] = array(
@@ -772,6 +777,7 @@ function booking_menu() {
'page arguments' => array('booking_event_form', false, 4),
'access arguments' => array('access administration pages'),
'type' => MENU_CALLBACK,
+ 'file' => 'booking.events.inc',
);
//manage early access codes
diff --git a/booking.variety_admin.inc b/booking.variety_admin.inc
index 37718b2..031f85c 100644
--- a/booking.variety_admin.inc
+++ b/booking.variety_admin.inc
@@ -510,6 +510,29 @@ function booking_variety_sessions_view_summary() {
function booking_varietysessions_csv_report($timeslot_id) {
global $event;
$data = array();
+
+ include_once("./libraries/xlsxwriter.class.php");
+ //ini_set('display_errors', 0);
+ //ini_set('log_errors', 1);
+ //error_reporting(E_ALL & ~E_NOTICE);
+ $filename = "example.xlsx";
+ header('Content-disposition: attachment; filename="'.XLSXWriter::sanitize_filename($filename).'"');
+ header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+ header('Content-Transfer-Encoding: binary');
+ header('Cache-Control: must-revalidate');
+ header('Pragma: public');
+ $rows = array(
+ array('2003','1','-50.5','2010-01-01 23:00:00','2012-12-31 23:00:00'),
+ array('2003','=B1', '23.5','2010-01-01 00:00:00','2012-12-31 00:00:00'),
+ );
+ $writer = new XLSXWriter();
+ $writer->setAuthor('Some Author');
+ foreach($rows as $row)
+ $writer->writeSheetRow('Sheet1', $row);
+ $writer->writeToStdOut();
+ //$writer->writeToFile('example.xlsx');
+ //echo $writer->writeToString();
+ exit(0);
//verify that $timeslot_id is a number
if (! preg_match('/^[0-9]+$/', $timeslot_id)) {
diff --git a/libraries/xlsxwriter.class.php b/libraries/xlsxwriter.class.php
new file mode 100644
index 0000000..056f04b
--- /dev/null
+++ b/libraries/xlsxwriter.class.php
@@ -0,0 +1,633 @@
+author=$author; }
+ public function setFontName($defaultFontName) { $this->defaultFontName=$defaultFontName; }
+ public function setFontSize($defaultFontSize) { $this->defaultFontSize=$defaultFontSize; }
+ public function setWrapText($defaultWrapText) { $this->defaultWrapText=$defaultWrapText; }
+ public function setVerticalAlign($defaultVerticalAlign) { $this->defaultVerticalAlign=$defaultVerticalAlign; }
+ public function setHorizontalAlign($defaultHorizontalAlign) { $this->defaultHorizontalAlign=$defaultHorizontalAlign; }
+ private function setStyle($defaultStyle) { $this->defaultStyle=$defaultStyle; }
+ public function setStartRow($defaultStartRow) { $this->defaultStartRow=($defaultStartRow > 0) ? ((int)$defaultStartRow - 1) : 0; }
+ public function setStartCol($defaultStartCol) { $this->defaultStartCol=($defaultStartCol > 0) ? ((int)$defaultStartCol - 1) : 0; }
+
+ public function __destruct()
+ {
+ if (!empty($this->temp_files)) {
+ foreach($this->temp_files as $temp_file) {
+ @unlink($temp_file);
+ }
+ }
+ }
+
+ protected function tempFilename()
+ {
+ $filename = tempnam("/tmp", "xlsx_writer_");
+ $this->temp_files[] = $filename;
+ return $filename;
+ }
+
+ public function writeToStdOut()
+ {
+ $temp_file = $this->tempFilename();
+ self::writeToFile($temp_file);
+ readfile($temp_file);
+ }
+
+ public function writeToString()
+ {
+ $temp_file = $this->tempFilename();
+ self::writeToFile($temp_file);
+ $string = file_get_contents($temp_file);
+ return $string;
+ }
+
+ public function writeToFile($filename)
+ {
+ @unlink($filename);//if the zip already exists, overwrite it
+ $zip = new ZipArchive();
+ if (empty($this->sheets_meta)) { self::log("Error in ".__CLASS__."::".__FUNCTION__.", no worksheets defined."); return; }
+ if (!$zip->open($filename, ZipArchive::CREATE)) { self::log("Error in ".__CLASS__."::".__FUNCTION__.", unable to create zip."); return; }
+
+ $zip->addEmptyDir("docProps/");
+ $zip->addFromString("docProps/app.xml" , self::buildAppXML() );
+ $zip->addFromString("docProps/core.xml", self::buildCoreXML());
+
+ $zip->addEmptyDir("_rels/");
+ $zip->addFromString("_rels/.rels", self::buildRelationshipsXML());
+
+ $zip->addEmptyDir("xl/worksheets/");
+ foreach($this->sheets_meta as $sheet_meta) {
+ $zip->addFile($sheet_meta['filename'], "xl/worksheets/".$sheet_meta['xmlname'] );
+ }
+ if (!empty($this->shared_strings)) {
+ $zip->addFile($this->writeSharedStringsXML(), "xl/sharedStrings.xml" ); //$zip->addFromString("xl/sharedStrings.xml", self::buildSharedStringsXML() );
+ }
+ $zip->addFromString("xl/workbook.xml" , self::buildWorkbookXML() );
+ $zip->addFile($this->writeStylesXML(), "xl/styles.xml" ); //$zip->addFromString("xl/styles.xml" , self::buildStylesXML() );
+ $zip->addFromString("[Content_Types].xml" , self::buildContentTypesXML() );
+
+ $zip->addEmptyDir("xl/_rels/");
+ $zip->addFromString("xl/_rels/workbook.xml.rels", self::buildWorkbookRelsXML() );
+ $zip->close();
+ }
+
+
+ public function writeSheet(array $data, $sheet_name='', array $header_types=array(), array $styles )
+ {
+ for ($i = 0; $i < count($styles); $i++) {
+ $styles[$i] += array('sheet' => $sheet_name);
+ }
+ $this->setStyle(array_merge((array)$this->defaultStyle, (array)$styles));
+
+ $data = empty($data) ? array( array('') ) : $data;
+
+ $sheet_filename = $this->tempFilename();
+ $sheet_default = 'Sheet'.(count($this->sheets_meta)+1);
+ $sheet_name = !empty($sheet_name) ? $sheet_name : $sheet_default;
+ $this->sheets_meta[] = array('filename'=>$sheet_filename, 'sheetname'=>$sheet_name ,'xmlname'=>strtolower($sheet_default).".xml" );
+
+ $header_offset = empty($header_types) ? 0 : $this->defaultStartRow + 1;
+ $row_count = count($data) + $header_offset;
+ $column_count = count($data[self::array_first_key($data)]);
+ $max_cell = self::xlsCell( $row_count-1, $column_count-1 );
+
+ $tabselected = count($this->sheets_meta)==1 ? 'true' : 'false';//only first sheet is selected
+ $cell_formats_arr = empty($header_types) ? array_fill(0, $column_count, 'string') : array_values($header_types);
+ $header_row = empty($header_types) ? array() : array_keys($header_types);
+
+ $fd = fopen($sheet_filename, "w+");
+ if ($fd===false) { self::log("write failed in ".__CLASS__."::".__FUNCTION__."."); return; }
+
+ fwrite($fd,''."\n");
+ fwrite($fd,'');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ if (!empty($header_row))
+ {
+ fwrite($fd, '');
+ foreach($header_row as $k=>$v)
+ {
+ $this->writeCell($fd, $this->defaultStartRow + 0, $this->defaultStartCol + $k, $v, $sheet_name);
+ }
+ fwrite($fd, '
');
+ }
+ foreach($data as $i=>$row)
+ {
+ fwrite($fd, '');
+ foreach($row as $k=>$v)
+ {
+ $this->writeCell($fd, $i+$header_offset, $this->defaultStartCol + $k, $v, $sheet_name);
+ }
+ fwrite($fd, '
');
+ }
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '&C&"Times New Roman,Regular"&12&A');
+ fwrite($fd, '&C&"Times New Roman,Regular"&12Page &P');
+ fwrite($fd, '');
+ fwrite($fd,'');
+ fclose($fd);
+ }
+
+ protected function writeCell($fd, $row_number, $column_number, $value, $sheet_name)
+ {
+ $cell = self::xlsCell($row_number, $column_number);
+ $s = '0';
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $key => $style) {
+ if (isset($style['sheet'])) {
+ if ($style['sheet'] == $sheet_name) {
+ if (isset($style['allfilleddata'])) {
+ $s = $key + 1;
+ } else {
+ if (isset($style['columns'])) {
+ if (is_array($style['columns'])) {
+ if (in_array($column_number, $style['columns'])) $s = $key + 1;
+ } else {
+ if ($column_number == $style['columns']) $s = $key + 1;
+ }
+ } elseif (isset($style['rows'])) {
+ if (is_array($style['rows'])) {
+ if (in_array($row_number, $style['rows'])) $s = $key + 1;
+ } else {
+ if ($row_number == $style['rows']) $s = $key + 1;
+ }
+ } elseif (isset($style['cells'])) {
+ if (is_array($style['cells'])) {
+ if (in_array($cell, $style['cells'])) $s = $key + 1;
+ } else {
+ if ($cell == $style['cells']) $s = $key + 1;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ if (is_numeric($value)) {
+ fwrite($fd,''.($value*1).'');//int,float, etc
+ } else if ($cell_format=='date') {
+ fwrite($fd,''.intval(self::convert_date_time($value)).'');
+ } else if ($cell_format=='datetime') {
+ fwrite($fd,''.self::convert_date_time($value).'');
+ } else if ($value==''){
+ fwrite($fd,'');
+ } else if ($value{0}=='='){
+ fwrite($fd,''.self::xmlspecialchars($value).'');
+ } else if ($value!==''){
+ fwrite($fd,''.self::xmlspecialchars($this->setSharedString($value)).'');
+ }
+ }
+
+ protected function writeStylesXML()
+ {
+ $tempfile = $this->tempFilename();
+ $fd = fopen($tempfile, "w+");
+ if ($fd===false) { self::log("write failed in ".__CLASS__."::".__FUNCTION__."."); return; }
+ fwrite($fd, ''."\n");
+ fwrite($fd, '');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['font'])) $this->fontsCount++;
+ }
+ }
+ }
+ fwrite($fd, '');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ if ($this->defaultFontName == 'MS Sans Serif') {
+ fwrite($fd, ' ');
+ } else if ($this->defaultFontName == 'Calibri') {
+ fwrite($fd, ' ');
+ } else {
+ fwrite($fd, ' ');
+ }
+ fwrite($fd, ' ');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['font'])) {
+ if (isset($style['font']['name'])) $this->fontName = $style['font']['name'];
+ if (isset($style['font']['size'])) $this->fontSize = $style['font']['size'];
+ if (isset($style['font']['color'])) $this->fontColor = $style['font']['color'];
+ if ($style['font']['bold']) $this->fontStyles .= '';
+ if ($style['font']['italic']) $this->fontStyles .= '';
+ if ($style['font']['underline']) $this->fontStyles .= '';
+
+ fwrite($fd, ' ');
+ if ($this->fontStyles) fwrite($fd, ' '.$this->fontStyles);
+ fwrite($fd, ' ');
+ if ($this->fontColor) {
+ fwrite($fd, ' ');
+ } else {
+ fwrite($fd, ' ');
+ }
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ if ($this->fontName == 'MS Sans Serif') {
+ fwrite($fd, ' ');
+ } else if ($this->fontName == 'Calibri') {
+ fwrite($fd, ' ');
+ } else {
+ fwrite($fd, ' ');
+ }
+ fwrite($fd, ' ');
+ }
+ $this->fontStyles = '';
+ }
+ }
+ }
+ fwrite($fd, '');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['fill'])) $this->fillsCount++;
+ }
+ }
+ }
+ fwrite($fd, '');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['fill'])) {
+ if (isset($style['fill']['color'])) $this->fillColor = $style['fill']['color'];
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ }
+ }
+ }
+ }
+ fwrite($fd, '');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['border'])) $this->bordersCount++;
+ }
+ }
+ }
+ fwrite($fd, '');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['border'])) {
+ if (isset($style['border']['style'])) $this->bordersStyle = ' style="'.$style['border']['style'].'"';
+ if (isset($style['border']['color'])) $this->bordersColor = '';
+ fwrite($fd, ' ');
+ fwrite($fd, ' bordersStyle.'>'.$this->bordersColor.'');
+ fwrite($fd, ' bordersStyle.'>'.$this->bordersColor.'');
+ fwrite($fd, ' bordersStyle.'>'.$this->bordersColor.'');
+ fwrite($fd, ' bordersStyle.'>'.$this->bordersColor.'');
+ fwrite($fd, ' ');
+ fwrite($fd, ' ');
+ }
+ }
+ }
+ }
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ $this->stylesCount += count($this->defaultStyle);
+ fwrite($fd, '');
+ $this->defaultWrapText = ($this->defaultWrapText) ? '1' : '0';
+ fwrite($fd, '');
+ if ($this->defaultStyle) {
+ foreach ($this->defaultStyle as $style) {
+ if (isset($style['sheet'])) {
+ if (isset($style['font'])) {
+ $font_Id = $this->fontId += 1;
+ } else {
+ $font_Id = 0;
+ }
+ if (isset($style['fill'])) {
+ $fill_Id = $this->fillId += 1;
+ } else {
+ $fill_Id = 0;
+ }
+ if (isset($style['border'])) {
+ $border_Id = $this->borderId += 1;
+ } else {
+ $border_Id = 0;
+ }
+ if (isset($style['wrapText'])) {
+ $wrapText = ($style['wrapText']) ? '1' : '0';
+ } else {
+ $wrapText = $this->defaultWrapText;
+ }
+
+ $format_Id = (isset($style['format'])) ? $style['format'] : '0';
+
+ if (isset($style['verticalAlign'])) {
+ $verticalAlign = $style['verticalAlign'];
+ } else {
+ $verticalAlign = $this->defaultVerticalAlign;
+ }
+ if (isset($style['horizontalAlign'])) {
+ $horizontalAlign = $style['horizontalAlign'];
+ } else {
+ $horizontalAlign = $this->defaultHorizontalAlign;
+ }
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ }
+ }
+ }
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fwrite($fd, '');
+ fclose($fd);
+ return $tempfile;
+ }
+
+ protected function setSharedString($v)
+ {
+ if (isset($this->shared_strings[$v]))
+ {
+ $string_value = $this->shared_strings[$v];
+ }
+ else
+ {
+ $string_value = count($this->shared_strings);
+ $this->shared_strings[$v] = $string_value;
+ }
+ $this->shared_string_count++;//non-unique count
+ return $string_value;
+ }
+
+ protected function writeSharedStringsXML()
+ {
+ $tempfile = $this->tempFilename();
+ $fd = fopen($tempfile, "w+");
+ if ($fd===false) { self::log("write failed in ".__CLASS__."::".__FUNCTION__."."); return; }
+
+ fwrite($fd,''."\n");
+ fwrite($fd,'');
+ foreach($this->shared_strings as $s=>$c)
+ {
+ fwrite($fd,''.self::xmlspecialchars($s).'');
+ }
+ fwrite($fd, '');
+ fclose($fd);
+ return $tempfile;
+ }
+
+ protected function buildAppXML()
+ {
+ $app_xml="";
+ $app_xml.=''."\n";
+ $app_xml.='0';
+ return $app_xml;
+ }
+
+ protected function buildCoreXML()
+ {
+ $core_xml="";
+ $core_xml.=''."\n";
+ $core_xml.='';
+ $core_xml.=''.date("Y-m-d\TH:i:s.00\Z").'';//$date_time = '2013-07-25T15:54:37.00Z';
+ $core_xml.=''.self::xmlspecialchars($this->author).'';
+ $core_xml.='0';
+ $core_xml.='';
+ return $core_xml;
+ }
+
+ protected function buildRelationshipsXML()
+ {
+ $rels_xml="";
+ $rels_xml.=''."\n";
+ $rels_xml.='';
+ $rels_xml.='';
+ $rels_xml.='';
+ $rels_xml.='';
+ $rels_xml.="\n";
+ $rels_xml.='';
+ return $rels_xml;
+ }
+
+ protected function buildWorkbookXML()
+ {
+ $workbook_xml="";
+ $workbook_xml.=''."\n";
+ $workbook_xml.='';
+ $workbook_xml.='';
+ $workbook_xml.='';
+ $workbook_xml.='';
+ foreach($this->sheets_meta as $i=>$sheet_meta) {
+ $workbook_xml.='';
+ }
+ $workbook_xml.='';
+ $workbook_xml.='';
+ return $workbook_xml;
+ }
+
+ protected function buildWorkbookRelsXML()
+ {
+ $wkbkrels_xml="";
+ $wkbkrels_xml.=''."\n";
+ $wkbkrels_xml.='';
+ $wkbkrels_xml.='';
+ foreach($this->sheets_meta as $i=>$sheet_meta) {
+ $wkbkrels_xml.='';
+ }
+ if (!empty($this->shared_strings)) {
+ $wkbkrels_xml.='';
+ }
+ $wkbkrels_xml.="\n";
+ $wkbkrels_xml.='';
+ return $wkbkrels_xml;
+ }
+
+ protected function buildContentTypesXML()
+ {
+ $content_types_xml="";
+ $content_types_xml.=''."\n";
+ $content_types_xml.='';
+ $content_types_xml.='';
+ $content_types_xml.='';
+ foreach($this->sheets_meta as $i=>$sheet_meta) {
+ $content_types_xml.='';
+ }
+ if (!empty($this->shared_strings)) {
+ $content_types_xml.='';
+ }
+ $content_types_xml.='';
+ $content_types_xml.='';
+ $content_types_xml.='';
+ $content_types_xml.='';
+ $content_types_xml.="\n";
+ $content_types_xml.='';
+ return $content_types_xml;
+ }
+
+ //------------------------------------------------------------------
+ /*
+ * @param $row_number int, zero based
+ * @param $column_number int, zero based
+ * @return Cell label/coordinates, ex: A1, C3, AA42
+ * */
+ public static function xlsCell($row_number, $column_number)
+ {
+ $n = $column_number;
+ for($r = ""; $n >= 0; $n = intval($n / 26) - 1) {
+ $r = chr($n%26 + 0x41) . $r;
+ }
+ return $r . ($row_number+1);
+ }
+ //------------------------------------------------------------------
+ public static function log($string)
+ {
+ file_put_contents("php://stderr", date("Y-m-d H:i:s:").rtrim(is_array($string) ? json_encode($string) : $string)."\n");
+ }
+ //------------------------------------------------------------------
+ public static function xmlspecialchars($val)
+ {
+ return str_replace("'", "'", htmlspecialchars($val));
+ }
+ //------------------------------------------------------------------
+ public static function array_first_key(array $arr)
+ {
+ reset($arr);
+ $first_key = key($arr);
+ return $first_key;
+ }
+ //------------------------------------------------------------------
+ public static function convert_date_time($date_input) //thanks to Excel::Writer::XLSX::Worksheet.pm (perl)
+ {
+ $days = 0; # Number of days since epoch
+ $seconds = 0; # Time expressed as fraction of 24h hours in seconds
+ $year=$month=$day=0;
+ $hour=$min =$sec=0;
+
+ $date_time = $date_input;
+ if (preg_match("/(\d{4})\-(\d{2})\-(\d{2})/", $date_time, $matches))
+ {
+ list($junk,$year,$month,$day) = $matches;
+ }
+ if (preg_match("/(\d{2}):(\d{2}):(\d{2})/", $date_time, $matches))
+ {
+ list($junk,$hour,$min,$sec) = $matches;
+ $seconds = ( $hour * 60 * 60 + $min * 60 + $sec ) / ( 24 * 60 * 60 );
+ }
+
+ //using 1900 as epoch, not 1904, ignoring 1904 special case
+
+ # Special cases for Excel.
+ if ("$year-$month-$day"=='1899-12-31') return $seconds ; # Excel 1900 epoch
+ if ("$year-$month-$day"=='1900-01-00') return $seconds ; # Excel 1900 epoch
+ if ("$year-$month-$day"=='1900-02-29') return 60 + $seconds ; # Excel false leapday
+
+ # We calculate the date by calculating the number of days since the epoch
+ # and adjust for the number of leap days. We calculate the number of leap
+ # days by normalising the year in relation to the epoch. Thus the year 2000
+ # becomes 100 for 4 and 100 year leapdays and 400 for 400 year leapdays.
+ $epoch = 1900;
+ $offset = 0;
+ $norm = 300;
+ $range = $year - $epoch;
+
+ # Set month days and check for leap year.
+ $leap = (($year % 400 == 0) || (($year % 4 == 0) && ($year % 100)) ) ? 1 : 0;
+ $mdays = array( 31, ($leap ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
+
+ # Some boundary checks
+ if($year < $epoch || $year > 9999) return 0;
+ if($month < 1 || $month > 12) return 0;
+ if($day < 1 || $day > $mdays[ $month - 1 ]) return 0;
+
+ # Accumulate the number of days since the epoch.
+ $days = $day; # Add days for current month
+ $days += array_sum( array_slice($mdays, 0, $month-1 ) ); # Add days for past months
+ $days += $range * 365; # Add days for past years
+ $days += intval( ( $range ) / 4 ); # Add leapdays
+ $days -= intval( ( $range + $offset ) / 100 ); # Subtract 100 year leapdays
+ $days += intval( ( $range + $offset + $norm ) / 400 ); # Add 400 year leapdays
+ $days -= $leap; # Already counted above
+
+ # Adjust for Excel erroneously treating 1900 as a leap year.
+ if ($days > 59) { $days++;}
+
+ return $days + $seconds;
+ }
+ //------------------------------------------------------------------
+}
\ No newline at end of file