Sro item IDs.

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So hello, im pretty familiar with php but this problem just owned me and i don't have idea what to do. When i saw it i was like what the fuck?
So there is my simple script to convert textdata/itemdata_xxxx.txt to MySql database.

<?php
include('../config.php');
mysql_connect($cfg['MySqlHost'], $cfg['MySqlUsername'], $cfg['MySqlPassword']);
mysql_select_db('item');
function explodeRows($data) {
  $rowsArr = explode("\n", $data);
  return $rowsArr;
}
function explodeTabs($singleLine) {
  $tabsArr = explode("\t", $singleLine);
  return $tabsArr;
}

$iconpath = "../icon/";

$filename = "itemdata_5000.txt";
$handle   = fopen($filename, 'r');
$data     = fread($handle, filesize($filename));
$rowsArr  = explodeRows($data);

for($i=0;$i<count($rowsArr);$i++) {
  $lineDetails = explodeTabs($rowsArr[$i]);
    echo "<br>item_id : " . $lineDetails[1];
    echo "<br>item_name : " . $lineDetails[2];
	$pattern = array('/\\\/');
	$replacement = array('/');
	$iconpath2 = preg_replace($pattern, $replacement, $lineDetails[54]);
	$array = explode('.', $iconpath2);
	$i1 = $array[0];
	$item_icon_path_full = $i1.".PNG";
	
	echo "<br>item_icon : " .$item_icon_path_full;
    echo "<br><br>";
	$sql = "INSERT INTO itemdata_5000 (item_id, item_name, item_icon) VALUES ('".$lineDetails[1]."', '".$lineDetails[2]."', '".$item_icon_path_full."')";
	mysql_query($sql)or die(mysql_error());
}
?>

Everything was looking like ok. But then i tried to get this data out and...

Between every single character there is "WTF character" which blocks me every function i want to make with this data. I coulda use preg_replace() to remove this stuff, but idk what is that character and if i copy and paste this into it shows only "?" not the real character. Im really confused, and need help. I have never ever met shit like this stuff. Please help me

@edit
I would be satisfied if someone would send me some other itemsdatabase in txt or mysql or everything other. Converting this joymax stuff is hard as hell :/