getimagesize

You need to combine several pictures in your project, such asThree pictures of the header, body and leg were combined.The code is as follows:1 functionCombineimage ($head _img,$middle _img,$footer _img,$save _path){2 $source _w= 400;3

Such page {code...} is different in width of each image. Is there any way to get the height of each image. And fill in the height field? Ask for advice! Such a page ... The width of each image is different. Is there any way to get the height of

Generally, File Upload does not check file security. Generally, simple extension verification will be performed later. The type in the php $ _ FILES array is very unreliable, only verifies the extension name of the file. The reliable ones are

Recently work needs to generate share pictures, initially with JS Html2canvas plug-in various problems, and then simply PHP PG Library in the background to generate pictures, very happy to solve the various problems, we want to achieve the effect

In php, adding watermarks to Chinese characters requires some simple processing. one is to convert characters into gbk, and the other is to load Chinese fonts, with these two conditions, adding a Chinese watermark to the image is simple. Example

Image processing: the implementation of watermarking and thumbnails (custom functions: watermark and thumbnail) code is a bit long, but not complex. Don't talk nonsense. paste the code: The code is as follows: /**********************************

Php image and Chinese watermark implementation code sharing Example 1 The code is as follows: Header ("Content-type: image/png");/* notify the browser to output the image */ $ Im = imagecreate (400,300);/* define the image size */ $ Gray =

Php watermarking and thumbnails implementation code (12 ). When uploading images to push and expand websites, we may add watermarks to images or scale down the images. the following code provides this function. When uploading images to push the

Php + jsiframe enables no redirection on the upload Avatar interface. There are many ways to upload an avatar without navigation on the interface. I use an iframe. The following code is used directly. Html: Copy the code as follows: route is the

Php code for adding a Chinese watermark to an image Header ("Content-type: image/png");/* notify the browser to output the image */ $ Im = imagecreate (400,300);/* define the image size */ $ Gray =

This time to everyone to bring PHP to share the image function, PHP to share the picture function of the note what, the following is the actual case, together to see. Recently work needs to generate share pictures, initially with JS Html2canvas

Php image watermark class, php adds Chinese watermark code Header ("Content-type: image/png");/* notify the browser to output the image */ $ Im = imagecreate (400,300);/* define the image size */ $ Gray =

/***===================================================================* image.class.php image processing class for image processing, including adding watermarks and generating thumbnails* March 25, 2013 22:10:38*=====================================

Use PHP to determine the format of a file picture Copy CodeThe code is as follows: $imgurl = "Http://www.jb51.net/images/logo.gif"; Method 1 echo $ext = STRRCHR ($imgurl, '. '); Echo '; Method 2 echo $ext 1 = substr ($imgurl, Strrpos ($imgurl, '.

Uploading images in order to expand the site we may add a watermark on the image, or to reduce the image, the code provided below has this function. Uploading images in order to expand the site we may add a watermark on the image, or to reduce the

Such a page ... Each picture has a different width. There are ways to get the height of each picture. and fill in the height inside?For advice Reply content: Such a page ... Each picture has a different width. There are ways to get the height

Generate thumbnail image $tx=getimagesize ($sample); if ($tx [0]=120] { $height = 120; $width =intval ($height * $tx [0]/$tx [1]); } if ($tx [0]>= $tx [1] and $tx [0]>=100] { $width = 100; $height =intval ($width * $tx [1]/$tx [0]); } if ($tx

File Upload Vulnerability This problem is not in PHP is only the user in the program development may not do well, the previous ASP also exists file upload vulnerability, I would like to introduce the PHP file Upload vulnerability simple analysis and

Copy CodeThe code is as follows: /** * Author:yagas * email:yagas60@21cn.com */ Class Image { /** class Protection Variable */ protected $th _width = 100; protected $th _height = 50; protected $quality = 85; Picture quality protected $transparent =

Nonsense not to say, paste code: Copy CodeThe code is as follows: /************************************ Function: Watermark ($bigimg, $smallimg, $coord = 1) Role: Adding watermarks Parameters: $bigimg must be selected. Big picture--a picture to