www.gusucode.com > KPPW众包威客PHP开源建站系统 v3.0源码程序 > KPPW/vendor/gregwar/image/Gregwar/Image/Source/File.php
<?php namespace Gregwar\Image\Source; use Gregwar\Image\Image; /** * Open an image from a file */ class File extends Source { protected $file; public function __construct($file) { $this->file = $file; } public function getFile() { return $this->file; } public function correct() { return false !== @exif_imagetype($this->file); } public function guessType() { if (function_exists('exif_imagetype')) { $type = @exif_imagetype($this->file); if (false !== $type) { if ($type == IMAGETYPE_JPEG) { return 'jpeg'; } if ($type == IMAGETYPE_GIF) { return 'gif'; } if ($type == IMAGETYPE_PNG) { return 'png'; } } } $parts = explode('.', $this->file); $ext = strtolower($parts[count($parts)-1]); if (isset(Image::$types[$ext])) { return Image::$types[$ext]; } return 'jpeg'; } public function getInfos() { return $this->file; } }