PHP Tutorials

Copy CodeThe code is as follows: /******************** * @file-path to File */ function Force_download ($file) { if ((Isset ($file)) && (File_exists ($file))) { Header ("Content-length:". FileSize ($file)); Header ('

Description Array Array_flip (array trans) Array_flip () returns a reversed array, such as the key name in trans becomes a value, and the value in trans is the key name. Note that the value in trans needs to be able to be a valid key name, such as

1. Do not turn to HTML entitiesA basic common sense: all untrusted input (especially the data submitted by the user from the form), and the output should be preceded by a change of meaning. echo $_get[' Usename ']; This example has the potential to

Copy CodeThe code is as follows: Specify page encoding to prevent the occurrence of garbled Chinese Header (' content-type:text/html; charset=gb2312 '); Start Excel $ms _excel=new COM ("Excel.Application") or Die ("Cannot open Excel application");

* Ini_get (): Gets the option value of the configuration file This function believes that many people have, that is, to get the value of an option in the configuration file, if the value of True returns 1, if the value of False returns 0, the

Copy the Code code as follows: function ($file _name, $pass _type=array (' jpg ', ' jpeg ', ' gif ', ' BMP ', ' png ')) { $yx _file = $pass _type; $KZM = substr (STRRCHR ($file _name, "."), 1); $is _img = In_array (Strtolower ($KZM), $yx _file); if (

The following regular: $a = ' 2 tóng dòng Canton 3 ';echo preg_replace ('/[^ /', ', $a); Will prompt: Warning:preg_replace (): Unknown modifier ' P ' in E:\phpLearn\test.php on line 12

Addcslashes-adds a backslash escape character for some characters inside a string addslashes-characters inside a string are escaped in the specified manner bin2hex-converts binary data to hexadecimal notation alias function for Chop-rtrim

Copy CodeThe code is as follows: /var/www/html/bt/e/btsys:.:/ Usr/share/pear:/usr/share/phpphp Warning:require (.. /class/connect.php): Failed to open stream:no such file or directory in/var/www/html/bt/e/btsys/torrents-scrape.php on L INE 17 PHP

Save the image to the database PHP code Copy CodeThe code is as follows: If ($Picture! = "None") { $PSize = FileSize ($Picture); $mysqlPicture = Addslashes (Fread (fopen ($Picture, "R"), $PSize)); Mysql_connect ($host, $username, $password) or Die (

It enables PHP to communicate seamlessly with the following technologies: (1) Flash and Flex Remoting (2) JavaScript JSON and Ajax JSON (3) XML and XML-RPC What is RPCRemote Program invocation (RPC, remote Procedure call) is a way for clients to

Extract () function syntax:int Extract (array $var _array [, int $extract _type = extr_overwrite [, string $prefix]) Function: Extract () function extracts an associative array (invalid for a numeric index array) each pair of keys and value,

Implementation principle: is to sort the ID pair by the ORDER by id DESC or the ORDER by ID ASC, and then determine the article that is less than the current id> or the same column as the current article ID. The SQL statements for the instance are

Example 5-8. date_format[Date format] index.php: Copy CodeThe code is as follows: $smarty = new Smarty; $smarty->assign (' Yesterday ', Strtotime ('-1 day ')); $smarty->display (' Index.tpl '); INDEX.TPL: {$smarty. Now|date_format} {$smarty.

PHP with its ease of use is quickly promoted, but not easy to use it does not mean that it can be used, in fact, many programmers use it very easy to set up a Web application system, but how many people carefully consider their code, is easy to

The role of the cache needless to say that we all know, these days also interviewed some people, found that many people frame with more, the foundation has forgotten, you ask some things, he always said that the framework to solve, and do not

With the rapid development of PHP, more and more people with it, in the PHP array learning excerpt part of the basic PHP array to understand the establishment and the display of the group elements. Need to learn more about the operation of the PHP

How to use: Memcached Copy CodeThe code is as follows: $cache = new Cache_memcache (); $cache->addserver (' www1 '); $cache->addserver (' www2 ', 11211,20); This server has double the memory, and gets double the weight $cache->addserver (' www3 ', 1

1. If a method can be static, then declare that he is static, the speed can be increased by 1/4; 2.echo is more efficient than print, because Echo has no return value, and print returns an integer type; 3. Set the maximum number of cycles before the

Note: '//+ ' indicates additional notes for me Class Typelink { var $typeDir; var $dsql; var $TypeID; + Category ID var $baseDir; + Site root URL var $modDir; + Template Catalog var $indexUrl; + Home Link Address var $indexName; + Home Link Name var