PHP Tutorials

Copy CodeThe code is as follows: Class Mobi { function __ismobile () { $useragent =$_server[' http_user_agent ']; if (Preg_match ('/android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip (hone|od) |iris|kindle |lge

For example, to protect the admin folder, go through the following two steps: Step one, you can create a new file with Notepad. htaccess, enter the following: AuthType BasicAuth UserFile d:/appserv/www/hill/admin/.htpasswd AuthName

Here we can modify its login mode to HTTP. This allows you to continue using the browser as long as it is not closed. Take the Ubuntu environment, Apt-get installation of phpMyAdmin as an example. Document location

is the error report: The specified CGI application misbehaved by isn't returning a complete set of HTTP headers (The CGI mode of the HTTP protocol is not running correctly) Because the-WT parameter is not supported in the first sentence of the

Copy CodeThe code is as follows: function Imageresize ($srcFile, $toW, $toH, $toFile = "") { if ($toFile = = "") {$toFile = $srcFile;} $info = ""; $data = getimagesize ($srcFile, $info); Switch ($data [2]) { Case 1: if (!function_exists

Copy CodeThe code is as follows: $url = "Http://sinaurl.cn/hbdsU5"; echo Unshorten ($url); function Unshorten ($url) { $url = Trim ($url); $headers = Get_headers ($url); $location = $url; $short = false; foreach ($headers as $head) { if ($head = =

1. Log into the system with the system administrator. 2. Stop the MySQL service. 3. Go to the Command window and enter the MySQL installation directory, for example, my installation directory is c:mysql, enter C:mysqlbin 4. Skip permission Check to

Curl (), file_get_contents (), snoopy.class.php these three remote pages to fetch or capture the tools used, the default is still invaded by snoopy.class.php, because he is more efficient and does not require server-specific configuration support,

EQ equals, NE, neq not Equal, GT greater Than, LT is less than GTE, GE greater than equals, LTE, le less than equals, Not non, mod modulo. Is (not) div by can be divisible by a number, Is (not) even is an even number, $a is [not] even by $b i.e. ($a/

The error level in the project is set to: error_reporting (E_all | E_STRICT); Array variables are not defined also will error, in fact, very good, but sometimes really do not need to report the error, PHP solution is: @$_get[' Unkown ']; This

Is_user_logged_in () Description Returns a Boolean value of TRUE or false based on whether the current visitor is logged on. Parameters The function does not accept any arguments. Usage Copy CodeThe code is as follows: Example Use the

Although there are many methods, but the use of simple and easy, I think it is to determine the generated home page file generation time and the difference between the existing time, if a certain value to start the generation, this method is easier

Copy the Code code as follows: function Getseoversion ($phrase) { Return preg_replace ('/[^a-z0-9_-]/i ', ' ', Strtolower (Str_replace (', '-', trim ($phrase))); } Example usage: Echo getseoversion ("German cars are amazing.");

Copy the Code code as follows: Error_reporting (E_all); Ini_set (' display_errors ', ' 1 '); Ini_set (' Error_log ', DirName (__file__). '/error_log.txt '); Output error message to a text file How to output error message to a file, and do not

Take a look at the following code: Copy CodeThe code is as follows: Class A { Public function X () { echo "A::x () was called.\n"; } Public function Y () { Self::x (); echo "A::y () was called.\n"; } Public Function Z () { $this->x (); echo "A::z (

Note: Unless the array is referenced, foreach operates on a copy of the specified array, not the array itself. So the array pointers are not changed by the each () structure, and the changes to the returned array cells do not affect the original

Online Demo Address: http://tools.jb51.net/tools/cs.php Copy CodeThe code is as follows: function Zhuanhuan () { $urlodd =explode ('///', $_get["url"],2),//The link is divided into 2 segments,//front is the first paragraph, followed by the second

Any web behavior can be considered to be an operation of a module, and the system will parse the modules and actions to be executed according to the current URL. This analysis is implemented by the URL scheduler, which is the official built-in

Class Code: Copy CodeThe code is as follows: Class Router { Public Function Getrouter ($types = 1) { if (Isset ($_server[' path_info ')) { $query _string = substr (Array ('. html ', '. htm ', '. asp ', '//'), ' ', ' $_server[' path_info ']), 1); }

The regular expression that we all call now basically refers to a Perl-style regular expression. POSIX-style regular expressions are basically no one to use, so from PHP5.3, it is deprecated, probably to the next version of PHP will be the relevant