PHP

Analyze the application and introduction of the phpcurl_setopt function. 1. to use the curl_setopt function, you must compile the curl component on the server. to install and compile this component, go to google to search for the php help document

How to determine the dimension of the php array. The copy code is as follows :? Php *** returns the array dimension * @ param [type] $ arr [description] * @ return [type] [description] * functionarrayLevel ($ arr) {$ alarr: The code is as follows:

Php. ini detailed description of how to modify the size limit of php files to be uploaded. Open php. ini, first find file_uploadson; whether to allow file Upload through HTTP. The default value is ON, which is upload_tmp_dir. the file is uploaded to

Discuss the use and analysis of Hessian in PHP. What is HessianHessian is an open-source remote communication protocol provided by caucho. The binary RPC protocol is used for HTTP transmission. the server does not need to open any firewall port.

Summary of some policies for optimizing php program efficiency. 1. when file_get_contents can be used to replace file, fopen, feof, fgets, and other methods, try to use file_get_contents, because its efficiency is much higher! Note: file_get_conte 1.

Detailed description of eAccelerator configuration parameters of php acceleration tool. The number of shared memory that eaccelerator. shm_size32eAccelerator can use (in megabytes). 0 refers to the default value of the operating system. The default

Phpecho output string function details. Copy the code as follows: echoasd; string echoads $ c; string + variable echoads $ c; string asd $ c is not the variable echosd. vs; echosd, vs; echo $. $ B; The code is as follows: Echo "asd"; // stringEcho

Php class for adding watermarks to php images and uploading images. When you need to upload images to a regular website, you often need to add the LOGO watermark of your website to the image. So how to implement this step? First of all, let's take a

PHP enables gzip page compression instance code. To implement GZIP compression pages, the browser and the server need to support them. in fact, the server is compressed. after being uploaded to the browser, the browser decompress and parse the files.

How php processes millions of databases and improves query processing speed. 1. to optimize the query, try to avoid full table scanning. First, consider creating an index on the columns involved in where and orderby. 2. Avoid null fields in the

PHP collects the content of a specified URL. By referring to others' ideas and turning them into your own ideas, you will find that you will have the ideas and methods to temporarily solve many problems. Copy the code as follows :? Php * function:

The php background program interacts with Javascript in two ways. Method 1: use cookies for interaction. There are three files in total: index.htm, action.php, and main.htmoriginally, the Frontend Page is main.htmand the background action.php is

Use the mysql trigger to automatically update the implementation code of memcache. Mysql5.1 supports the features of triggers and user-defined function interfaces (UDFs). if libmemcache and MemcachedFunctionsforMySQL are used together, memcache can

PHP image processing class implementation code. Copy the code as follows :? Php *** author: yagas * email: yagas60@21cn.com * classImage {** class protection variable * protected $ th_width100; protected $ th_height50; protected The code is as

The basic syntax of the PHP Tutorial. PHP script block? Php starts? End. You can place PHP script blocks anywhere in the document. Of course, on servers that support abbreviations, can you use? And? To use the PHP script block End. You can place PHP

Php object-oriented full strategy (2) object instantiation uses object members. 5. how to instantiate an object we mentioned above that the unit of the object-oriented program is an object, but the object is instantiated through the class. since the

Delete php folders and clear cache programs in php. Copy the code as follows :? Phpheader (content-type: texthtml; charsetutf-8); functiondelFile ($ fpath) {$ filesizearray (); $ filepathiconv (gb2312, UTF-8, $ fpath); if (is The code is as follows:

Detailed analysis of phpaddslashes functions. Syntax: stringaddslashes (stringstr); content description this function adds a diagonal line to the quotation marks in the strings to be processed by the database, so that the database query can operate

Install and configure WindowsPHP5 and Apache. 1. download and install Apache. Download PHP from www. apache. orgdyncloser. cgihttpdbinarieswin32. Download PHP from www.php.net. 2. install Apache. 1. download the installation program. Apache can be

Php shopping cart instance (Shen Jing ). If (! $ Session! $ Scid) {* session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car. scid is used to identify only one shopping cart ID, which can be