PHP Tutorials

Copy CodeThe code is as follows: Class Formmodel extends Model { Automatic Validation settings /* * One: Automatic verification The definition of automatic validation is this: Array (field,rule,message,condition,type,when,params) Field: Represents

In PHP 4.2.0 to 4.2.3, external DLLs can be called using the W32api_register_function function, provided that the extended Php_w32api.dll needs to be opened in php.ini. If you are using PHP 5, the calling DLL only uses the COM class of PHP. The

Description 1, the server caches the compressed files, re-accesses reduce the re-compression time, reduce CPU utilization. 2, by setting the client file cache time, reduce the number of re-requests, can be reduced by more than 85%. 3, image because

prev () Definition and usage The prev () function moves a pointer to the current element to the position of the previous element and returns the element value. The function returns False if the inner pointer has already exceeded the first element

Copy CodeThe code is as follows: $array =explode (separator, $string); $string =implode (glue, $array); The key to using and understanding these two functions is the delimiter (separator) and the glue (glue) relationship. When you convert an array

1.print_r () Prints easy-to-understand information about the variable, and if it is an array, displays the structure information for the arrays. For example: Copy CodeThe code is as follows: $a = Array (' a ' = = ' Apple ', ' B ' + = ' banana ', '

PHP fgetcsv Definition and usage The PHP fgetcsv () function reads a line from the file pointer and resolves the CSV field. Like PHP fgets (), the difference is that PHP fgetcsv () parses a read-in row and finds a field in CSV format, and then

First, MongoDB IntroductionMongoDB (named from "Humongous") is a scalable, high-performance, open-source, schema-free, document-oriented database that combines the benefits of a document database, key-value pair storage, and relational database.

Code One: Copy CodeThe code is as follows: function Check_wap () { if (Isset ($_server[' Http_via ')) return true; if (Isset ($_server[' Http_x_nokia_connection_mode ')) return true; if (Isset ($_server[' http_x_up_calling_line_id ')) return true;

First look at the definition of two methods: Function prototype: Array split (String $pattern, string $string [, int $limit]) Function prototype: array explode (string $separator, string $string [, int $limit]) At first glance there is no

It's all right. Write the function that the directory wants to close including traversing files under this folder, directory subdirectories read the current file under directories and files delete the directory subdirectories under the current

After using to detect a site vulnerability, an article was sent to address the vulnerability, in this. But many children's shoes have some problems, many children's shoes are stuck in the variable name of this step, do not know how to find and

Reading XML with DOM $doc = new DOMDocument (); $doc->load (' Test.xml '); $books = $doc->getelementsbytagname ("book"); foreach ($books as $book) {$authors = $book->getelementsbytagname ("author");$author = $authors->item (0)->nodevalue; The

Linux under Memcache server-side installation Server side is mainly installed Memcache server side, the current version is memcached-1.3.0. Download: http://www.danga.com/memcached/dist/memcached-1.2.2.tar.gz In addition, Memcache used the libevent

First, how can not create permissions to set the directory a disk 0777 can be, with the program to change the directory permissions with chmod two, with FTP three, with the server permissions to do better, PHP Tutorial Creating folders and unable to

When we manipulate the file, we often durable the chmod function to change the operation permissions of the specified directory. When we manipulate the file, we often durable the chmod function to change the operation permissions of the specified

Many other times we will not be used for PHP ftp function file Upload Oh, but there are in the use of more advanced Web applications will be used in the FTP function, such as I now upload the image of the B server, data saved to a server, ordinary

Here is a talk about whether the Is_writable file can be read and write Oh. Here is a talk about whether the Is_writable file can be read and write Oh. Is_writable(PHP 4, PHP 5)Is_writable-Tell if filename is writtenDescribeBoolean is_writable

PHP Gets the file attributes last modified time: ? PHP $ file ' test.txt '; Filemtime ($file)); ?> Returns a timestamp that says Unix, which is commonly used in caching techniques. The relevant PHP gets

Syntax: int fsockopen (string hostname, int port, int [errno], string [errstr], int [timeout]); return value: Integer Function type: Network system content Description: At present PHP network function Fsockopen provides two Socket data flow