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$cate = array();for($a=1;$a<100;$a++){ echo "1";        if(!array_key_exists('cattag_'.$a.'_1_1', $_POST))        { echo "2";                //$w = -1;				break;        }               for($b=1;$b<100;$b++)        { echo "3";                if(!array_key_exists('cattag_'.$a.'_'.$b.'_1', $_POST))                {  echo "4";                        //$x = -1;						break;                }                       for($c=0;$c<100;$c++)                {  echo "5";                        if(!array_key_exists('cattag_'.$a.'_'.$b.'_'.$c, $_POST))                        {    echo "6";                               // $y = -1;							   break;                        }                                                         $cate[$a][$b][] = $_POST['cattag_'.$a.'_'.$b.'_'.$c];							                                        }        }}echo "<br>";echo sizeof($cate);echo "<br>";