PHP crop from center fix value

[script22]

as vrea sa tai din mijloc si sa creez o noua imagine jumatate din cea originala

 

aici am un cod la care am lucrat ceva ore bune da nu merge imi face o imagine neagra si nu stiu dc

 

$fileext = strtolower(substr($file,strrpos($file,".")+1));if($fileext=="jpg" || $fileext=="jpeg" ){$new_image = imagecreatefromjpeg($bulk);$image_save_func = 'ImageJPEG';}else if($fileext=="png"){$new_image = imagecreatefrompng($bulk);$image_save_func = 'ImagePNG';}else {$new_image = imagecreatefromgif($bulk);$image_save_func = 'ImageGIF';}$width = imagesx($new_image);$height = imagesy($new_image);$new_width = $width /2;$new_height = $height /2;$dst_x = 0;$dst_y = 0;$src_x = $new_height/2;$src_y = $new_width /2;$image_c = ImageCreateTrueColor($new_width, $new_height);imagecopyresampled ($image_c, $new_image, $dst_x, $dst_y, $src_x, $src_y, $new_width, $new_height, $height, $width);$image_save_func($image_c, $new_location.$category.$filename_clean);unlink($bulk);