Etiket: Calculate Date Diff

<?php
class ZamanFarkiHesapla{
    var $damga1;
    var $damga2;
    function yilGetir($veri){
       $sonuc=getdate($veri);
       return ($sonuc['year']);
    }
    function gunGetir($damga){
       $sonuc=getdate($damga);
       return (($sonuc['yday'])+1);
    }
    function yilGun($year){
        $sonuc=$this->gunGetir(strtotime("$year-12-31"));
        return $sonuc;
    }
    function gecenYilGun($damga){
        $year=$this->yilGetir($damga);
        $sonuc=$this->gunGetir(strtotime("$year-12-31"));
        return $sonuc;
    }
    function sonYilGunu($damga){
        $gecen_yil_gun=$this->gecenYilGun($damga);
        $gun_getir=$this->gunGetir($damga);
        return ($gecen_yil_gun-$gun_getir);
    }
    function farkGetir($d1,$d2){
        $ortala=0;
        $this->damga1=strtotime($d1);
        $this->damga2=strtotime($d2);
        $yil1=$this->yilGetir($this->damga1);
        $yil2=$this->yilGetir($this->damga2);
        $fark=$yil2 - $yil1;
        switch ($fark)      {
            case '0':
                $gun1=$this->gunGetir($this->damga1);
                $gun2=$this->gunGetir($this->damga2);
                $sonuc=$gun2-$gun1;
            break;
            case '1':
                $gun1=$this->sonYilGunu($this->damga1);
                $gun2=$this->gunGetir($this->damga2);
                $sonuc=$gun1+$gun2;
            break;
            case $fark>=2:
                $gun1=$this->sonYilGunu($this->damga1);
                $gun2=$this->gunGetir($this->damga2);
                for( $i=(( $this->yilGetir($this->damga1) )+1);$i<( $this->yilGetir($this->damga2) );$i++ )
                    $ortala+=$this->yilGun($i);
                $sonuc=$gun1+$gun2+$ortala;
            break;
        }
        return $sonuc;              
    }
}   
$dateDiff= new ZamanFarkiHesapla();
echo $dateDiff->farkGetir("1914-07-28","2018-06-05");//1.Dünya Savaşı
?>
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