PHP Tutorials

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 =

/* Author: silently date:2006-12-03 */ $page =isset ($_get[' page ')? Intval ($_get[' page ')): 1; This is to get the value of page in Page=18, if there is no page, then the number of pages is 1. $num = 10; Show 10 data per

Session_Start (); A string that randomly generates a verification code function Random ($len) { $srcstr = "ABCDEFGHIJKLMNPQRSTUVWXYZ123456789"; Mt_srand (); $strs = ""; for ($i =0; $i $strs. = $srcstr [Mt_rand (0,3

$pagesize = 10; Set the number of records to display per page $conn =mysql_connect ("localhost", "root", ""); Connecting to a database $rs =mysql_query ("SELECT count (*) from tb_product", $conn); Total Records obtained $RS

Class Datacache { /** * Array Conversion * * @param array $array * @param string $arrayName * @param array $level * * @return String */ Private Function Arrayeval ($array, $arrayName = ", $level

$fp = fopen ("Test.txt", "R"); ?> Copy Code2.fclose (Close file) syntax: fclose (filepointer) filepointer, the file pointer to be closed. If successful, the Fclose function returns TRUE if the Fclose function returns FALSE if it

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 =

function Test () { $w 3sky = 0; echo $w 3sky; $w 3sky++; } ?> Copy CodeEach call to this function sets the value of $w 3sky to 0 and outputs "0". Adding a variable to the $w 3sky++ has no effect,

Class page{ Private $total; Total number of records in the data table Private $listRows; Number of bars to display per page Private $limit; Limit clauses are used in SQL statements to restrict the number of records obtained

/** * 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

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

/** * * Function: Resize the picture or create a thumbnail image * Return: True/false Parameters * $Image need to adjust the picture (including the path) * $Dw =450 The maximum width when adjusting; absolute width when

/* 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,

This paper introduces the method of the automatic expiration of the CodeIgniter database cache, modifies the DB class, sets an expiration time when the cache is turned on, and the expiration auto-cache automatically expires. CodeIgniter

For PHP image upload with PHP watermark Instance code, a complete example of PHP upload pictures, need to refer to a friend. 1, send.html File Uploader File Upload Select a file to upload: 2, receive img_

/* 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

/** *@ o Tang 2013-4-6 22:19 *@ hehe */ Set_time_limit (0); Error_reporting (E_error); if ($ARGC Print_r (' +-------------------------------------------------+ usage:php '. $argv [0]. ' CSS path type (0

!--? php include ("conn.php");//Database link, fix it yourself $sql = "sel ECT * from news; $query =mysql_query ($sql); $all _num=mysql_num_rows ($query);//total number of bars

thinkphp static cache usage, thinkphp static cache configuration method and operation skill, thinkphp built-in static cache function, can directly call the generated HTML cache file, need to refer to the friend. thinkphp Static Cache

Return Array ( ' Db_type ' = ' mysql ', ' Db_host ' = ' 127.0.0.1 ', ' Db_name ' = ' w3note ', ' Db_user ' = ' root ', ' Db_pwd ' = ' 123456 ', ' Db_port ' = ' 3306 ', ' Db_prefix ' = ' w3_ ', '