PHP implements a general method for downloading images
Release： 2016-07-25 08:45:27
Original
1134 people have browsed it
- function getPicture($url,$pictureName){
- if ($url == "") return false;
- //Get the extension of the picture
- $info = getimagesize($url);
- $mime = $ info['mime'];
- $type = substr(strrchr($mime,'/'), 1);
- //Choose different image generation and saving functions for different image types
- switch($type){
- case 'jpeg':
- $img_create_func = 'imagecreatefromjpeg';
- $img_save_func = 'imagejpeg';
- $new_img_ext = 'jpg';
- break;
- case 'png':
- $img_create_func = 'imagecreatefrompng';
- $img_save_func = ' imagepng';
- $new_img_ext = 'png';
- break;
- case 'bmp':
- $img_create_func = 'imagecreatefrombmp';
- $img_save_func = 'imagebmp';
- $new_img_ext = 'bmp';
- break;
- case ' gif':
- $img_create_func = 'imagecreatefromgif';
- $img_save_func = 'imagegif';
- $new_img_ext = 'gif';
- break;
- case 'vnd.wap.wbmp':
- $img_create_func = 'imagecreatefromwbmp';
- $ img_save_func = 'imagewbmp';
- $new_img_ext = 'bmp';
- break;
- case 'xbm':
- $img_create_func = 'imagecreatefromxbm';
- $img_save_func = 'imagexbm';
- $new_img_ext = 'xbm';
- break;
- default:
- $img_create_func = 'imagecreatefromjpeg';
- $img_save_func = 'imagejpeg';
- $new_img_ext = 'jpg';
- }
- if ($pictureName == ""){
- $pictureName = time().". {$new_img_ext}";
- }else{
- $pictureName = $pictureName.".{$new_img_ext}";
- }
- $src_im = $img_create_func($url); //Create a new picture from url
- $img_save_func($ src_im, $pictureName); //Output file to file
- return $pictureName;
- }
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Download image, PHP
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