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  Classes of Frank  >  Calculate Date Difference  >  class.Date_Diff_with_Age  >  Download  
File: class.Date_Diff_with_Age
Role: Application script
Content type: text/plain
Description: Added new method get Age
Class: Calculate Date Difference
Compute the time difference between two dates
Author: By
Last change:
Date: 6 years ago
Size: 4,034 bytes
 

Contents

Class file image Download
<?php

/*
 * Date Created: March 12, 2008 
 * Create By: Frank Marcelo
 * Please feel free to email me: frankitoy@gmail.com
 * If you have problems
 * first parameter show be greater than second parameter 
 * dates should be in this format etc September 16, 2008 00:00:00 09/16/2008 01:01:01
 *
 */

class Date_Diff
{
  public 
$dateFrom    ;
  public 
$dateTo      ;
  private 
$intDays    ;
  private 
$intHours   
  private 
$intMinutes ;
  private 
$sError     ;

  public function 
getError()
  {
    return 
"Invalid date format from dateFrom or dateTo."
  }

  public function 
setDate_Diff$dateFrom null $dateTo null )
  {
    
$from $this->isValidDate($dateFrom);
    
$to   $this->isValidDate($dateTo);

    if( 
$from && $to )
    { 
      
$dateDiff mktime$from['hour']  , $from['minutes'] , $from['seconds'] , 
                          
$from['month'] , $from['day']     , $from['year'] ) -
                  
mktime$to['hour']    , $to['minutes']   , $to['seconds'] ,
                          
$to['month']   , $to['day']       , $to['year'] );
      
$this->intDays    floor(  $dateDiff / (60*60*24) );
      
$this->intHours   floor( ($dateDiff - ($this->intDays*60*60*24) ) / (60*60) );
      
$this->intMinutes floor( ($dateDiff - ($this->intDays*60*60*24) - ($this->intHours*60*60) ) /60 );
    }
  }

  public function 
isValidDate$sDate "12/11/2008 00:00:00" )
  {
    if( !
is_null($sDate) && !empty($sDate) )
    {
      if( 
preg_match'/^[0-9][0-9][0-9][0-9]/' $sDate ) )
      {
        list( 
$strFullDate $strHMS ) = explode' ' $sDate );
        list( 
$year $month $day ) = explode'-' $strFullDate );
        
$sDate $month DS $day DS $year .' '.$strHMS;
      }

      
$dateString split" "    $sDate      );
      
$dateParts  split"[/-]" $dateString[0] );
      
$dateParts2 split"[:]"  $dateString[1] );

      if( !
checkdate($dateParts[0],$dateParts[1],$dateParts[2]) ) 
      {  return 
false; }
      return array
             ( 
               
'month'   => intval($dateParts[0])  , 
               
'day'     => intval($dateParts[1])  ,
               
'year'    => intval($dateParts[2])  ,
               
'hour'    => intval($dateParts2[0]) ,
               
'minutes' => intval($dateParts2[1]) ,
               
'seconds' => intval($dateParts2[2])
             );
    }
    else
    { 
      return 
false
    }
  }

  public function 
getDiffInDays()
  { return 
$this->intDays;    }

  public function 
getDiffInHours()
  { return 
$this->intHours;   }
  
  public function 
getDiffInMinutes()
  { return 
$this->intMinutes; }

  public function 
getAge$sDate "12/11/2008 00:00:00" )
  {
    
$strDateNow      =  gmdate("m/d/Y H:i:s",time());
    
$arrOfDateBefore $this->isValidDate$sDate );
    
$arrOfDateNow    $this->isValidDate$strDateNow );
    
/*
    implement using timezone offset
    $offset = +8;
    $now = gmdate("m/d/Y H:i:s", time() + (60*60*$offset) );
    */
    //print_r($arrOfDateNow);

    
$this->setDate_Diff$strDateNow $sDate );
    
$intAge $arrOfDateNow['year'] - $arrOfDateBefore['year'];
    if( ( 
$arrOfDateNow['month']    == $arrOfDateBefore['month'] ) && 
        ( 
$arrOfDateNow['day']      >= $arrOfDateBefore['day']   ) &&
        ( 
$this->getDiffInMinutes() > 0                          ) &&
        ( 
$arrOfDateNow['seconds']  >= $arrOfDateBefore['seconds'])  
    )
    { return 
$intAge; }
    else
    { 
      
$intAge--; 
      return 
$intAge;
    }
  }

  function 
__destruct()
  {
    unset(
$this->dateFrom);
    unset(
$this->dateTo);
    unset(
$this->intDays);
    unset(
$this->intHours);
    unset(
$this->intMinutes); 
  }
}

//$date = new Date_Diff();
//$date->setDate_Diff( '02/01/2007 23:02:01', '01/31/2007 22:01:01');
//echo $date->getDiffInMinutes();
//echo $date->getAge( '04/25/1984 05:09:00' );
//echo $date->getDiffInMinutes();
//echo $date->getError();
?>