php获取图片宽高等属性

<?php

function getImageInfo($image) {

    $imageInfo = getimagesize($image);

    if ($imageInfo !== FALSE) {

        $imageType = strtolower(substr(image_type_to_extension($imageInfo[2]), 1));

        $imageSize = filesize($image);

        $info = array(

            "width" => $imageInfo[0],

            "height" => $imageInfo[1],

            "type" => $imageType,

            "size" => $imageSize,

            "mime" => $imageInfo['mime']

        );

        return $info;

    } else {

        return FALSE;

    }

}

$info = getImageInfo('test.jpg');

var_dump($info);

?>