PHP Tutorials

This article is PHP configuration file php.ini Chinese annotation version, PHP configuration file in detail, the need for friends to do a collection, the key time to use.This section contains a detailed description of the PHP configuration file, php.

Preg_replace ("/([\x80-\xff])/", "", $str); Preg_replace ("/([U4E00-U9FA5])/", "", $str); Copy CodeExample, PHP Chinese coding judgment. There is no Chinese-gbk (PHP) in the judging content function

Print_r (iconv_get_encoding ("All")); Copy Code2, encode the string to convert: echo iconv (' Utf-8 ', ' gb2312 ', ' we '); Convert ' us ' from UTF8 encoding to gb2312 encoding **iconv

$Article = M (' article '); $Article->limit (' 0,10 ')->select (); Querying the first page of data $Article->limit (' 10,10 ')->select (); Querying the second page of data Copy CodeAlthough the paging class page in the

$sudoapt-getinstallapache2 Copy CodeThen, run Apache: $sudo/etc/init.d/apache2restartApache will create a new directory during installation:/var/www, which is the root directory where the document is stored on this server. All documents

{$ variable Name} example: {$username}//Common variable {$userinfo ["email"]}//Array way {$userinfo ["sub"] ["name"]}//three-dimensional array method {$userinfo: Email}//Object mode {$userinfo. Email} ... Copy CodeThe variables in the

!--? php /** * php get Picture color values * by bbs.it-home.org */ $i =imagecreatefromjpeg ("photo3.jpg");//test picture, define one yourself, note the path for ($x =0; $x

/** * Interception of complete words * Bbs.it-home.org Editing and Finishing * @param $str * @param $start * @param $length * * @return String */ public static function Usubstr ($str, $start, $length =

/** * Class Efficiencytester * Efficiency tester, test function run time * @version 1.0 2013.04.13 * @author Kross */ Class Efficiencytester { /** * Var $testTimes * Number of tests */ Private

Class qrcode{ public $w; Public $h; Public $s; function __construct ($w 1, $h 1, $s 1) { $this->w = $w 1; $this->h = $h 1; $this->s = $s 1; $this->outimgase (); } function QRCode () { $post

System ("/usr/local/bin/webalizer/webalizer"); Copy CodeEXEC () Prototype: string exec (String command [, string array [, int return_var]]) the EXEC () function is similar to System (), executes the given command but does not output the

if (Phpversion () Set_magic_quotes_runtime (0); } Copy Code>> cannot define MAGIC_QUOTES_GPC through functions, so it is recommended to open the server uniformly, when writing the program should be judged, to avoid the

$url = ";//Square Educational system login Address $ID = "; $PA = "; $cookieid = Get_sessionid ($url);//Get the session ID of the login page /* Is_login () function to determine if the login was successful */

This article introduced a PHP Senior engineer interview problem, before the programmer's Home (bbs.it-home.org) introduced a lot of PHP interview questions, here to provide a PHP senior engineer's face test, a bit difficult, need to refer to the

How to use: Save the above code with the file name: more_upload_file.class.php, and include the file when you use it. Share a PHP implementation of multi-image upload class, the type of file comments detailed features practical and has a

RPM-IVH http://nginx.org/packages/centos/6/noarch/rpms/nginx-release-centos-6-0.el6.ngx.noarch.rpm Copy CodeTo install the Epel source: (64-bit system) RPM-IVH

[Code]class htmlfilter{/** * Filter special characters in String * @static * @param $content * @return String */public static function Filterspa Cialhtmlchar ($content) {if (empty ($content)) {return ';} $content =self::d elallspace ($content);

Header ("content-type:text/html; Charset=utf-8 "); Echo mb_convert_encoding ("You Are my good friend", "Utf-8", "GBK"); ?> Copy Code2. Convert utf-8 encoded string into GB2312 encoded string

CREATE TABLE Users ( Username VARCHAR (+) CHARACTER SET GBK, Password VARCHAR (+) CHARACTER SET GBK, PRIMARY KEY (username) ); Copy Codeexample, simulates the case where the query data is escaped using only

function Msubstr ($str, $start, $len) { $strlen = $start + $len; for ($i =0; $i if (Ord (substr ($str, $i, 1)) >0xa0) { $tmpstr. =substr ($str, $i, 2); $i + +; } else $tmpstr. =substr ($str, $i, 1);