A function for fully retrieving image information

& Lt ;? Php & nbsp; function & nbsp; getImageInfo ($ img) & nbsp; {& nbsp; // $ img indicates the absolute path of an image file & nbsp; $ img_info & nbsp; getimagesize ($ img); & nbsp; switch & nbsp; ($ img_info [2]) & nbsp ;{&
Function getImageInfo ($ img) {// $ img is the absolute path of the image file.
$ Img_info = getimagesize ($ img );
Switch ($ img_info [2]) {
Case 1:
$ Imgtype = "GIF ";
Break;
Case 2:
$ Imgtype = "JPG ";
Break;
Case 3:
$ Imgtype = "PNG ";
Break;
}
$ Img_type = $ imgtype. "image ";
$ Img_size = ceil (filesize ($ img)/1000). "k"; // get the file size

$ New_img_info = array (
"Width" => $ img_info [0],
"Height" => $ img_info [1],
"Type" => $ img_type
"Size" => $ img_size
}
Return $ new_img_info;
}
?>
It's very simple. you should understand it.