forked from extern/egroupware
7a39be36b6
- date-time: empty date not recogniced - date-timeonly, date-houronly: use only seconds, no timezone converstation between server-time and UTC (default for mktime())
415 lines
13 KiB
PHP
415 lines
13 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare - eTemplate Extension - Date Widget *
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* http://www.egroupware.org *
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* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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/**
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* eTemplate extension to input or display date and/or time values
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*
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* Contains the following widgets: Date, Date+Time, Time, Hour
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*
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* Supported attributes: format[,options]
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* format: ''=timestamp, or eg. 'Y-m-d H:i' for 2002-12-31 23:59
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* options: &1 = year is int-input not selectbox, &2 = show a [Today] button, (html-UI always uses jscal and dont care for &1+&2)
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* &4 = 1min steps for time (default is 5min, with fallback to 1min if value is not in 5min-steps),
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* &8 = dont show time for readonly and type date-time if time is 0:00,
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* &16 = prefix r/o display with dow
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*
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* This widget is independent of the UI as it only uses etemplate-widgets and has therefor no render-function.
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* Uses the adodb datelibary to overcome the windows-limitation to not allow dates before 1970
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*
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* @package etemplate
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* @subpackage extensions
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* @author RalfBecker-AT-outdoor-training.de
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* @license GPL
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*/
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class date_widget
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{
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/**
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* exported methods of this class
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* @var array
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*/
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var $public_functions = array(
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'pre_process' => True,
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'post_process' => True
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);
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/**
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* availible extensions and there names for the editor
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* @var array
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*/
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var $human_name = array(
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'date' => 'Date', // just a date, no time
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'date-time' => 'Date+Time', // date + time
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'date-timeonly' => 'Time', // time
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'date-houronly' => 'Hour', // hour
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);
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var $dateformat; // eg. Y-m-d, d-M-Y
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var $timeformat; // 12 or 24
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/**
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* Constructor of the extension
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*
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* @param string $ui '' for html
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*/
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function date_widget($ui)
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{
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if ($ui == 'html')
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{
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if (!is_object($GLOBALS['phpgw']->jscalendar))
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{
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$GLOBALS['phpgw']->jscalendar =& CreateObject('phpgwapi.jscalendar');
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}
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$this->jscal =& $GLOBALS['phpgw']->jscalendar;
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}
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$this->timeformat = $GLOBALS['phpgw_info']['user']['preferences']['common']['timeformat'];
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$this->dateformat = $GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat'];
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}
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/**
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* pre-processing of the extension
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*
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* This function is called before the extension gets rendered
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*
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* @param string $name form-name of the control
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* @param mixed &$value value / existing content, can be modified
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* @param array &$cell array with the widget, can be modified for ui-independent widgets
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* @param array &$readonlys names of widgets as key, to be made readonly
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* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
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* @param object &$tmpl reference to the template we belong too
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* @return boolean true if extra label is allowed, false otherwise
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*/
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function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
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{
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$type = $cell['type'];
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list($data_format,$options) = explode(',',$cell['size']);
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if ($type == 'date-houronly' && empty($data_format)) $data_format = 'H';
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$extension_data = array(
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'data_format' => $data_format,
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'type' => $type,
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);
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if (!$value)
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{
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$value = array(
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'Y' => '',
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'm' => '',
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'd' => '',
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'H' => '',
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'i' => ''
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);
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}
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elseif ($data_format != '')
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{
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$date = split('[- /.:,]',$value);
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//echo "date=<pre>"; print_r($date); echo "</pre>";
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$mdy = split('[- /.:,]',$data_format);
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$value = array();
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foreach ($date as $n => $dat)
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{
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switch($mdy[$n])
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{
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case 'Y': $value['Y'] = $dat; break;
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case 'm': $value['m'] = $dat; break;
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case 'd': $value['d'] = $dat; break;
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case 'H': $value['H'] = $dat; break;
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case 'i': $value['i'] = $dat; break;
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}
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}
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}
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else
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{
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// for the timeformats we use only seconds, no timezone conversation between server-time and UTC
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if (substr($type,-4) == 'only') $value -= adodb_date('Z',0);
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$value = array(
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'Y' => adodb_date('Y',$value),
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'm' => adodb_date('m',$value),
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'M' => substr(lang(adodb_date('F',$value)),0,3),
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'd' => adodb_date('d',$value),
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'H' => adodb_date('H',$value),
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'i' => adodb_date('i',$value)
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);
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}
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$time_0h0 = !(int)$value['H'] && !(int)$value['i'];
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$timeformat = array(3 => 'H', 4 => 'i');
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if ($this->timeformat == '12')
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{
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$value['a'] = $value['H'] < 12 ? 'am' : 'pm';
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if ($value['H'] > 12)
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{
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$value['H'] -= 12;
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}
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$timeformat += array(5 => 'a');
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}
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$format = split('[/.-]',$this->dateformat);
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$readonly = $cell['readonly'] || $readonlys;
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// no time also if $options&8 and readonly and time=0h0
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if ($type != 'date' && !($readonly && ($options & 8) && $time_0h0))
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{
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$format += $timeformat;
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}
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if ($readonly) // is readonly
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{
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$sep = array(
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1 => $this->dateformat[1],
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2 => $this->dateformat[1],
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3 => ' ',
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4 => ':'
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);
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for ($str='',$n = substr($type,-4) == 'only' ? 3 : 0; $n < count($format); ++$n)
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{
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if ($value[$format[$n]])
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{
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if (!$n && $options & 16 )
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{
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$str = lang(adodb_date('l',adodb_mktime(12,0,0,$value['m'],$value['d'],$value['Y']))).' ';
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}
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$str .= ($str != '' ? $sep[$n] : '') . $value[$format[$n]];
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}
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if ($type == 'date-houronly') ++$n; // no minutes
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}
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$value = $str;
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$cell['type'] = 'label';
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if (!$cell['no_lang'])
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{
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$cell['no_lang'] = True;
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$cell['label'] = strlen($cell['label']) > 1 ? lang($cell['label']) : $cell['label'];
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}
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unset($cell['size']);
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return True;
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}
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if ($cell['needed'])
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{
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$GLOBALS['egw_info']['etemplate']['to_process'][$name] = array(
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'type' => 'ext-'.$type,
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'needed' => $cell['needed'],
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);
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}
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$tpl =& new etemplate;
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$tpl->init('*** generated fields for date','','',0,'',0,0); // make an empty template
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// keep the editor away from the generated tmpls
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$tpl->no_onclick = true;
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$types = array(
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'Y' => ($options&1 ? 'int' : 'select-year'), // if options&1 set, show an int-field
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'm' => 'select-month',
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'M' => 'select-month',
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'd' => 'select-day',
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'H' => 'select-number',
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'i' => 'select-number'
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);
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$opts = array(
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'H' => $this->timeformat == '12' ? ',0,12' : ',0,23,01',
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'i' => $value['i'] % 5 || $options & 4 ? ',0,59,01' : ',0,59,05' // 5min steps, if ok with value
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);
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$help = array(
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'Y' => 'Year',
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'm' => 'Month',
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'M' => 'Month',
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'd' => 'Day',
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'H' => 'Hour',
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'i' => 'Minute'
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);
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$row = array();
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for ($i=0,$n= substr($type,-4) == 'only' ? 3 : 0; $n < ($type == 'date' ? 3 : 5); ++$n,++$i)
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{
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$dcell = $tpl->empty_cell();
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// test if we can use jsCalendar
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if ($n == 0 && $this->jscal && $tmpl->java_script())
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{
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$dcell['type'] = 'html';
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$dcell['name'] = 'str';
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$value['str'] = $this->jscal->input($name.'[str]',False,$value['Y'],$value['m'],$value['d'],lang($cell['help']));
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$n = 2; // no other fields
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$options &= ~2; // no set-today button
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}
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else
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{
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$dcell['type'] = $types[$format[$n]];
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$dcell['size'] = $opts[$format[$n]];
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$dcell['name'] = $format[$n];
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$dcell['help'] = lang($help[$format[$n]]).': '.lang($cell['help']); // note: no lang on help, already done
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}
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if ($n == 4)
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{
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$dcell['label'] = ':'; // put a : between hour and minute
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}
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$dcell['no_lang'] = 2;
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$row[$tpl->num2chrs($i)] = &$dcell;
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unset($dcell);
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if ($n == 2 && ($options & 2)) // Today button
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{
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$dcell = $tpl->empty_cell();
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$dcell['name'] = 'today';
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$dcell['label'] = 'Today';
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$dcell['help'] = 'sets today as date';
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$dcell['no_lang'] = True;
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if (($js = $tmpl->java_script()))
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{
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$dcell['needed'] = True; // to get a button
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$dcell['onchange'] = "this.form.elements['$name"."[Y]'].value='".adodb_date('Y')."'; this.form.elements['$name"."[m]'].value='".adodb_date('n')."';this.form.elements['$name"."[d]'].value='".(0+adodb_date('d'))."'; return false;";
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}
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$dcell['type'] = $js ? 'button' : 'checkbox';
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$row[$tpl->num2chrs(++$i)] = &$dcell;
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unset($dcell);
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}
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if ($n == 2 && $type == 'date-time') // insert some space between date+time
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{
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$dcell = $tpl->empty_cell();
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$dcell['type'] = 'html';
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$dcell['name'] = 'space';
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$value['space'] = ' ';
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$row[$tpl->num2chrs(++$i)] = &$dcell;
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unset($dcell);
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}
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if ($type == 'date-houronly') $n++; // no minutes
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if ($n == 4 && $type != 'date' && $this->timeformat == '12')
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{
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$dcell = $tpl->empty_cell();
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$dcell['type'] = 'radio';
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$dcell['name'] = 'a';
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$dcell['help'] = $cell['help'];
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$dcell['size'] = $dcell['label'] = 'am';
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$row[$tpl->num2chrs(++$i)] = $dcell;
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$dcell['size'] = $dcell['label'] = 'pm';
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$row[$tpl->num2chrs(++$i)] = &$dcell;
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unset($dcell);
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}
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}
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$tpl->data[0] = array();
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$tpl->data[1] = &$row;
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$tpl->set_rows_cols();
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$tpl->size = ',,,,0';
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$cell['size'] = $cell['name'];
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$cell['type'] = 'template';
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$cell['name'] = $tpl->name;
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$cell['obj'] = &$tpl;
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return True; // extra Label is ok
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}
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/**
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* postprocessing method, called after the submission of the form
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*
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* It has to copy the allowed/valid data from $value_in to $value, otherwise the widget
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* will return no data (if it has a preprocessing method). The framework insures that
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* the post-processing of all contained widget has been done before.
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*
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* Only used by select-dow so far
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*
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* @param string $name form-name of the widget
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* @param mixed &$value the extension returns here it's input, if there's any
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* @param mixed &$extension_data persistent storage between calls or pre- and post-process
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* @param boolean &$loop can be set to true to request a re-submision of the form/dialog
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* @param object &$tmpl the eTemplate the widget belongs too
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* @param mixed &value_in the posted values (already striped of magic-quotes)
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* @return boolean true if $value has valid content, on false no content will be returned!
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*/
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function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
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{
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//echo "<p>date_widget::post_process('$name','$extension_data[type]','$extension_data[data_format]') value="; print_r($value); echo ", value_in="; print_r($value_in); echo "</p>\n";
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if (!isset($value) && !isset($value_in))
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{
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return False;
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}
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$no_date = substr($extension_data['type'],-4) == 'only';
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if ($value['today'])
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{
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$set = array('Y','m','d');
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foreach($set as $d)
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{
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$value[$d] = adodb_date($d);
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}
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}
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if (isset($value_in['str']) && !empty($value_in['str']))
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{
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if (!is_array($value))
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{
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$value = array();
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}
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$value += $this->jscal->input2date($value_in['str'],False,'d','m','Y');
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}
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if ($value['d'] || $no_date &&
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(isset($value['H']) && $value['H'] !== '' || isset($value['i']) && $value['i'] !== ''))
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{
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if ($value['d'])
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{
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if (!$value['m'])
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{
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$value['m'] = adodb_date('m');
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}
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if (!$value['Y'])
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{
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$value['Y'] = adodb_date('Y');
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}
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elseif ($value['Y'] < 100)
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{
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$value['Y'] += $value['Y'] < 30 ? 2000 : 1900;
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}
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}
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else // for the timeonly field
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{
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$value['d'] = $value['m'] = 1;
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$value['Y'] = 1970;
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}
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if (isset($value['a']))
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{
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if ($value['a'] == 'pm' && $value['H'] < 12)
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{
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$value['H'] += 12;
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}
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}
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// checking the date is a correct one
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if (!checkdate($value['m'],$value['d'],$value['Y']))
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{
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$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$name] .= lang("'%1' is not a valid date !!!",
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$GLOBALS['phpgw']->common->dateformatorder($value['Y'],$value['m'],$value['d'],true));
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}
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$data_format = $extension_data['data_format'];
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if (empty($data_format))
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{
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// for time or hour format we use just seconds (and no timezone correction between server-time and UTC)
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$value = $no_date ? 3600 * (int) $value['H'] + 60 * (int) $value['i'] :
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adodb_mktime((int) $value['H'],(int) $value['i'],0,$value['m'],$value['d'],$value['Y']);
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}
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else
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{
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for ($n = 0,$str = ''; $n < strlen($data_format); ++$n)
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{
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if (strstr('YmdHi',$c = $data_format[$n]))
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{
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$str .= sprintf($c=='Y'?'%04d':'%02d',$value[$c]);
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}
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else
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{
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$str .= $c;
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}
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}
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$value = $str;
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}
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}
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else
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{
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$value = '';
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}
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return True;
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}
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}
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