php png jpg kep atmeretezese megvagasa

function kepalakito($p) { extract($p);
list($width,$height)=getimagesize($originalpic);
$ratio=$width/$height;
if ($ratio>=1) { $ratio_irany='width'; } else { $ratio_irany='height'; }
$kepek=[];
for ($i=0; $i<count($sizes); $i++) {
if ($ratio_irany=='width') {
$new_width=$sizes[$i][1];
$new_height=$new_width/$ratio;
} else {
$new_height=$sizes[$i][2];
$new_width=$new_height*$ratio;
}
$new_image=imagecreatetruecolor($new_width,$new_height);
$file_info=pathinfo($originalpic);
$extension=$file_info['extension'];
// print('<pre>');print_r($extension);print('</pre>');
// print('<pre>');print_r($file_info);print('</pre>');
$new_file=str_replace('//','/',DIR.$sizes[$i][0]);
$last_slash=strrpos($new_file,"/");
$dir=substr($new_file,0,$last_slash+1);
if (!file_exists($dir)) { mkdir($dir, 0777, true); }
switch($extension) {
case 'jpg':
case 'jpeg':
// $img = @imagecreatefromjpeg($file);
$old_image=imagecreatefromjpeg($originalpic);
imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
imagejpeg($new_image,$new_file,90);
break;
case 'png':
$old_image=imagecreatefrompng($originalpic);
imagecopyresampled($new_image,$old_image,0,0,0,0,$new_width,$new_height,$width,$height);
imagepng($new_image,$new_file);
break;
default:
$old_image=false;
break;
}
imagedestroy($old_image);
imagedestroy($new_image);
}
}
$pars=[];
$pars['originalpic']=$this_file;
$pars['sizes']=[[$mezok['route_medium'],900,675],[$mezok['route_small'],200,150]];
kepalakito($pars);