Php de süzme

$string = dosya_indir("$file");
preg_match_all('/<a href=\'(.*?)=(.*?)&lid=([0-9].*?)\'/',$string,$bilgi);

for($i=0;$i<count($bilgi[3]);$i++) {
$id=$bilgi[3][$i];
echo $id."<br>";
}

$string = dosya_indir("$file");
preg_match_all('/<a href=\'(.*?)=(.*?)&lid=([0-9].*?)\'/',$string,$bilgi);

$bilgi[3] = array_unique($bilgi[3]);

for($i=0;$i<count($bilgi[3]);$i++) {
$id=$bilgi[3][$i];
echo $id."<br>";
}

$string = dosya_indir("$file");
preg_match_all('/<a href=\'(.*?)=(.*?)&lid=([0-9].*?)\'/',$string,$bilgi);

echo "suzme oncesi<br>";
print_r($bilgi[3]);
$bilgi[3] = array_unique($bilgi[3]);
echo "suzme sonrasi<br>";
print_r($bilgi[3]);

for($i=0;$i<count($bilgi[3]);$i++) {
$id=$bilgi[3][$i];
echo $id."<br>";
}

suzme oncesi<br>Array
(
    [0] => 3502
    [1] => 2695
    [2] => 2537
    [3] => 2537
    [4] => 2537
    [5] => 2695
    [6] => 2695
    [7] => 2695
    [8] => 4646
    [9] => 4646
    [10] => 4646
    [11] => 670
    [12] => 670
    [13] => 670
    [14] => 669
    [15] => 669
    [16] => 669
    [17] => 4734
    [18] => 4734
    [19] => 4734
    [20] => 6310
    [21] => 6310
    [22] => 6310
    [23] => 2143
    [24] => 2143
    [25] => 2143
    [26] => 4274
    [27] => 4274
    [28] => 4274
    [29] => 4943
    [30] => 4943
    [31] => 4943
    [32] => 3242
    [33] => 3242
    [34] => 3242
    [35] => 5355
    [36] => 5355
    [37] => 5355
    [38] => 4578
    [39] => 4578
    [40] => 4525
    [41] => 4525
    [42] => 4525
    [43] => 3917
    [44] => 3917
)
suzme sonrasi<br>Array
(
    [0] => 3502
    [1] => 2695
    [2] => 2537
    [8] => 4646
    [11] => 670
    [14] => 669
    [17] => 4734
    [20] => 6310
    [23] => 2143
    [26] => 4274
    [29] => 4943
    [32] => 3242
    [35] => 5355
    [38] => 4578
    [40] => 4525
    [43] => 3917
)
3502<br>2695<br>2537<br><br><br><br><br><br>4646<br><br><br>670<br><br><br>669<br><br>

$string = dosya_indir("$file");
preg_match_all('/<a href=\'(.*?)=(.*?)&lid=([0-9].*?)\'/',$string,$bilgi);

$bilgi[3] = array_values(array_unique($bilgi[3]));

for($i=0;$i<count($bilgi[3]);$i++) {
$id=$bilgi[3][$i];
echo $id."<br>";
}