PHP

When we log in to the site management backstage, there will be prompted to remember the status of login, remember me and so on, this option is what to use it. If you check the log in state, the next time you browse the Web site does not need to fill

There are many kinds of functions in the PHP language, different application methods, the implementation of the function is not the same. We summarize the PHP timestamp function in this article, hoping to be a reference learning object. Discussion

Regular expressions Role: 1, split 2, matching 3, find 4, replace A regular expression consists of at least one atom A regular expression is a string of characters When to use regular. 1, form matching 2,url Rewrite, routing rewrite 3, thieves

PHP supports 8 original types, including 4 winning types, namely Boolean (Boolean), Integer (Shape), float/double (floating-point) and string (literal), and two composite types, namely: Array (array) and object (objects) ; Two special types, namely:

1, use the Pathinfo:pathinfo () function to return the file path information as an array. results are as follows Array ( [dirname] => http://localhost//url path [basename] => index.php//full file name [extension] => PHP//filename

What is the difference between get and post in PHP and when to use a post to explain difference: 1, get is generally the data transmitted after the hyperlink, the amount of data transmitted is small, can not be greater than 2KB. 2, post is

** * Delete all subfolders under the folder at the specified time (after a few seconds) * @param $dir String file path * @param $sec String deletion time * @param $file _type string file type */ function Delfile ($dir, $sec = ' _type= ', $file ')

The output is in the following statement: Echo iconv ("UTF-8", "GBK", $Song _url); Solve Chinese garbled problem A The first is the coding of PHP pages 1. php file itself and the encoding of the Web page should match A. If you want to use gb2312

PHP deletes any row of a text file or adds a row to delete a specified line of a realistic text file, which can be arbitrary, as determined by the user. Deleting any line of text files makes sense, for example, we use a text file to record

2.SplStack Prototype: Splstack extends Spldoublylinkedlist implements iterator, arrayaccess, countable {/* method */__construct (void) void SE Titeratormode (int $mode)/* Inherited method */public void Spldoublylinkedlist::add (mixed $index,

regular expression matching rules for PHP core technology and best practices This article introduces several common matching rules. 1. Character Group Finding numbers, letters, and whitespace is simple because you already have the metacharacters

upload the xlsx file to the workspace and store the data in the database MySQL Controller Layer upload.php Class Upload extends Ci_controller {Public Function __construct (){Parent::__construct ();$this->load->helper (Array (' form ', ' url

first, the relationship between page jumps and page redirection is explained. Page redirection must have page jump, page jump will not necessarily have page redirection, that is, page redirection is really included in the page jump, page

SPL is a collection of interfaces and classes that are used to troubleshoot a typical problem (standard problems). 1. Spldoublylinkedlist prototype: SplDoublyLinkedList Implements iterator, arrayaccess, countable {/* Method/Public __construct

Hash table conflict between PHP core technology and best practices Then, after the test, the output value1value2. When $ht->insert (' key12 ', ' value12 '); Echo $ht->find (' key12 '); Found output value12value12. What's the reason? This problem is

PHP core technology and best practices in reverse reference to regular expressions A reverse reference is used to repeat the search for text that matches a previous grouping. For example: "\1" represents grouped 1 matching text: \b (\w+) \b\s+\1\b

This article introduces, in the Nginx PHP-FPM uses the sock way to configure the example, has the need friend, the reference under. Sock configuration of Nginx php-fpm, as follows:Copying code code example: location ~ \.php$ {Fastcgi_pass

Definition and Usage: Gets the integer value of the variable, allowing it to be returned using a specific system. Default 10 systemNote: If the argument is an integer, no processing is done. Grammar: Intval (Var, base) Parameter list:

PHP Four common asynchronous processing solutions 1, using the front-end AJAX processing $.ajax ("do.php", {name: ' ityangs ', Job: ' PHP Programmer '}); 2. Use the Popen function to execute local files Pclose (Popen (' php/var/www/do.php & ', '

1.http_build_query Http_build_query can create a request string after UrlEncode. String Http_build_query (mixed $query _data [, String $numeric _prefix [, String $arg _separator [, int $enc _type = Php_quer Y_RFC1738]]) Parameters:Query_datacan be