Php Get Image Width And Height

Just install some third-party library files and have a certain degree of geometric knowledge, you can use PHP to create and process images. Creating a dynamic image with PHP is fairly easy. Below, I will detail how to achieve. Before using the basic image creation function, you need to install the GD library file. If you want to use JPEG-related image creation functions, you also need to install jpeg-6b, and you must install t1lib if you want to use Type 1 fonts in your images. In the establishment of the image creation environment, but also need to do some quasi ...

Write your own PHP image upload and generate thumbnail function Please refer to the function is divided into three parts First, PHP image upload function Second, PHP generate thumbnail function Third, PHP message prompt function PHP image upload function is as follows: function img_upload ( $ form_name, $ size, $ dir, $ file_name, $ width, $ height) {// file domain name, file size limit, file storage path, thumbnail width, thumbnail height ...

In the Web application is often used to generate pictures of this function, in the PHP tutorial to create pictures need to support the GD library to create graphics, with this graphic function, we can easily generate thumbnails, verification code, to add watermarks and so on. In PHP to install the GD library to normal operation to create a picture function, the following methods, in the win system, find php.ini put; Extension=php_gd2.dll front ";" Go, and back up Apache OK. Here we look at the example of PHP ...

php tutorial image upload code (with thumbnails and add watermarking function) This picture upload source code is a can upload pictures and also has to upload images generated thumbnails and watermarking Oh, can be said to be a perfect Image upload category Oh. class upfile {public $ filepath = "www.jzread.com/"; / / upload files stored in the folder public $ filesize = 10 ...

PHP Tutorial Scaling Small graph function <?php class My_lib_functions {# ******************************************** # object to array # ************** function Object2array ($obj) {&nb ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall Picture anti-theft: Is does not want own picture to be used by others. Picture anti-theft chain: is not want their own pictures are used by others, and consumption of their own server traffic. Picture burglar is difficult, perfect picture burglar that is almost impossible.  But there are still a lot of ways to reduce image theft, below are 10 kinds, choose one you like. ...

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Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall @ Chen Zimu: Responsive Web Design, is a popular concept of web development, it is the use of flexible grid system, so that the display mode of the Web page can be accessed according to the screen size specifications and adaptive. By 2015, the number of users on the mobile side will grow from 800 million to 1.9 billion, which means that the current Web page we are designing for desktop browsers will have a very bad experience with their phones and tablets. ...

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall yesterday, I introduced to you the Dream Dedecms under the use of Baidu Ueditor for different pages using different editor width method, although this method is very practical, but its limitations are relatively strong: can only set the width, can not carry out other personality configuration. Here again to introduce a ueditor on the page personalized configuration method, that is, different pages using different configuration, I think this method should be able to solve the webmaster friends a lot of questions, as for you prefer which method ...