PHP

The usage of stream in php. In Java, stream is a very important concept. The concept of stream is derived from the concept of pipe in UNIX. In UNIX, a pipeline is an uninterrupted byte stream used to implement programs or processes in Java. stream

PHP enables on-demand music on the public platform. 1. construct an XML format provided for music message music. the XML format is as follows: Copy the code as follows: xmlToUserName! [CDATA [toUser] ToUserNameFromUserName! [CDATA [fromUser] 1.

Php entry variable number. When introducing variables, I clearly pointed out that PHP has integer and floating point (decimal) numeric types. However, based on my experience, both of these types can be categorized under normal numbers (I explicitly

Php entry constant. Constants are used to temporarily store a value like variables, but constants are different from variables in many ways. Constants: 1. data cannot be changed during program execution. the scope of constants is full constants,

Php disables refresh after saving the submit content. Copy the code as follows: $ strsqlINSERTINTO 'XXX' ('aaa') VALUES (. $ _ POST [bbb]... $ _ POST [ccc]., now (); $ result @ mysql_query ($ strsql, $ my_con); $ maxrow @ mysql_affe The code is as

PHPfopen () and file_get_contents () applications and differences. Copy the code as follows: export filefopen(11.txt, r) orexit (Unabletoopenfile !); Open the fopen file. if the file does not exist, it cannot be opened. $Filesizefilesize(11.txt );

PHP connects to multiple mysql database sample codes at the same time. Example: Copy the code as follows :? Php $ conn1mysql_connect (127.0.0.1, root, root, db1); mysql_select_db (db1, $ conn1); $ conn2mysql_connect (127.0.0.1, root, root instance:

Examples of using the db-type select queryer join linked list in the zf framework (zend Framework ). The sample code for copying the join () linked list in the zend Framework is as follows :? Php introduces the Loader class (automatic loading class)

4 acceleration and cache expansion differences and selection suggestions in PHP. After VPS is installed in Web runtime environments such as LNMP, some cache extensions will be selected for installation to speed up PHP running, we are often

Php uploads images to the database for example sharing. Most people upload images by saving a path to the database, which is indeed fast during insertion and meets the characteristics of the web, but it is very troublesome to delete the file. you

IIS and Apache share port 80. The. net program of IIS is bound to port 81, and the host name is www. a. comapache's php program is bound to port 80. the host name is www. B .com. then, if the apache server has been installed successfully, open httpd.

PHP and Nginx support dynamic image cropping. I wrote an article about the high-performance PHP image dynamic cropping solution a long time ago. The article uses nginxCache and rewrite for implementation. of course, with CDN, that solution has a

How PHP performs input and output. PHP input and output streams are accessed through php:, which allows access to PHP input and output streams, standard input and output, and error descriptors, the temporary file stream in the memory and disk backup

Cookie working principle. When a customer accesses a PHP-based website, the setcookie () function can be used in PHP to generate a cookie. after processing, the system sends the cookie to the client and stores it in C: Documen. When a customer

Detailed description of the configuration file component LtConfig in LotusPhp. The configuration file component LtConfig in LotusPhp is an important part of the convention and is suitable for multiple scenarios. most LotusPhp components, such as

Php uses multiple processes to simultaneously control file read/write. Copy the code as follows :? Php *** write data ** @ param [string] $ path [file path] * @ param [string] $ mode [file open mode] * @ param [string] $ data [data] * @ return [B

Example of removing duplicate values from the php multi-dimensional array. Copy the code as follows :? Php $ json {rec_items: [{classes: Fantasy, gid: 6326585, author: I eat tomatoes, nid: 10079306, last_sort: 841, last_chapter_name: The code is as

Php creates a folder named after a UNIX timestamp (sample code ). Example: Copy the code as follows :? PhpGettimenow $ addtimedate (Ymd, time (); CreatDir $ testdir... $ addtime.; if (file_exists ($ testdir): else: mkdir ($ testdir, 07 instance:

Php sends post request function sharing. Copy the code as follows: functiondo_post_request ($ url, $ data, $ optional_headersnull) {$ paramsarray (httparray (methodPOST, content $ data); if ($ optional _ The code is as follows: Function

PHP provides three methods for downloading remote files and performance considerations. When exporting an Excel file, you always need to test the exported Excel file and frequently download and open it, it is very troublesome to think about writing