PHP Tutorials

This article introduces in detail the generation mechanism of the session in PHP, the recovery mechanism and the relevant knowledge of the storage mechanism, in-depth understanding of the PHP session operation mechanism, the need for a friend

Connecting to a database $con = mysql_connect ("localhost", "root", ""); mysql_select_db ("Xueshengchu", $con); mysql_query ("Set names UTF8"); $pageSize = 5; Shows the number of data bars per page $result =

Copy Code Class subpages{ Private $each _disnums;//The number of entries displayed per page private $nums;//Total number of entries Private $current _page;//the currently selected page Private $sub _pages;

Include_once ("smarty.class.php"); Class Smartyproject Extendssmarty { function __construct () { $this->config_dir= "smarty/smarty/config_file.class.php"; $this->caching=false; $this->template_dir =

$nav = ";//A variable to hold the number of pages for ($i =1; $i { $nav. = "No.". $i. " Page "; } Copy CodeThe For loop above will output such as page 1th, page 2nd, 3rd page, 4th page, 5th page, 6th page, 7th

/** * filename:ext_page.class.php * @package:p Hpbean * Description: Ultra-strong paging class, four paging modes, default to a baidu,google-like paging style. * 2.0 added Features: Support custom style, custom style, support PHP4

Pdo $pdo = new PDO ("Mysql:host=localhost;dbname=database", ' username ', ' password '); MYSQLI, process-oriented approach $mysqli = Mysqli_connect (' localhost ', ' username ', ' password ', ' database '); Mysqli, Object-

Imagecolorsforindex () Imagecolorat () Draw a graphic on the picture $img =imagecreatefromgif ("./images/map.gif"); /** * Image Sharpening Processing * Edit by Bbs.it-home.org */ $red =

$str = "HTTP://BBS.IT-HOME.ORG/JUNZAIVIP"; $arr = PathInfo ($STR); echo ""; Print_r ($arr); echo ""; ?> Split a domain name into an array $str = "http://bbs.it-home.org/junzaivip.php?id=10&name=20"; $arr =

function Checkimagesize ($ImageFileName, $LimitSize) { $size =getimagesize ($ImageFileName); if ($size [0]> $LimitSize [0]| | $size [1]> $LimitSize [1]) { Echo ' Sorry, the size of the image you want to upload is too

1. This year's schedule is out. The PHP 7 schedule RFC vote has been passed, and PHP 7 will be released in October 2015. Despite some delays, we are glad that it was released this year. PHP 7 Detailed schedule from this view. 2. PHP is going aboard

/* 1.jpg to get a picture of its size */ $arr = getimagesize ("1.jpg"); /** * $arr as an array type * $arr [0] is the width of the image * $arr [1] is the height of the image * $arr [2] format for images,

php How to upload files to the database, here to share a few examples, to master the php file saved to the MySQL database method, how to let PHP upload files into the database instance code. php uploading files to the database is nothing

Echo memory_get_usage (), ''; 313864 $tmp = str_repeat (' http://www.nowamagic.net/', 4000); Echo memory_get_usage (), ''; 406048 Unset ($TMP); Echo Memory_get_usage (); 313952 ?> Copy CodeThe

/* 1.jpg you want to get a picture of its size * * $arr = getimagesize ("1.jpg"); /** * Here $arr for an array type * $arr [0] is the width of the image * $arr [1] is the height of the image * $arr [2] format for

$img = ' 22.jpg '; $arr =getimagesize ($IMG); Print_r ($arr); $arr [0] for the width of the picture, $arr [1] for the height of the picture, $arr [2] for the type of the picture, that is, the extension of the picture, Switch ($arr [2])

Get Image from Web Copy Code2. Document getimage.php Set up variable $url = $_request[' url ']; echo "8 ". $url.""; $ext = substr ($url, Strrpos ($url, '. ') +

/** * filename:ext_page.class.php * @package:p Hpbean * Descrīption: Ultra-strong paging class, four paging modes, default to a baidu,google-like paging style. * 2.0 added Features: Support custom style, custom style, support PHP4

/* 1.jpg to get a picture of its size */ $arr = getimagesize ("1.jpg"); /** * Here $arr for an array type * $arr [0] is the width of the image * $arr [1] is the height of the image * $arr [2] format for images,

Class Pagemodel { /** * Get the number of page groups * @param unknown $page current page number * Total number of items @param unknown $goodsCount * @param unknown $pageLength The number of pages displayed per page */