Php Tutorial

PHP Tutorial Unlimited class class trees{private $_keyid = ' Id ';  Private $_keyname = ' Name ';    Private $_keyfid = ' Fid '; function __construct ($keyId = ', $keyName = ', $keyFid = ') {...

Php tutorial to convert Chinese Pinyin code The original realization of this program is to convert the Chinese characters into the corresponding machine code, and then define the relative Pinyin, Chinese Pinyin conversion is just a matter of inquiry. $ d = array ("a", - 20319), array ("ai", - 20317), array ("an", - 20304), array ("ang", - 20295), ...

php tutorial character matching code / * string A: "1,3,4,5,6,7,8,9,10,11,12,14,15,17,20,22,123,457", for example, I want to know this String contains "2", this time "12", "20", "22", etc. * / / a if (in_array ('2', explode (',', $ ...

PHP tutorial regular fetch img tag alt src width heigh attribute <?php/* Regular take picture any attribute in img tag/$word = ' <p height= ' align= ' cenetr ' >111 22< /p> <img src= "/upload/images/aaa.jpg" &n ...

/ php tutorial Chinese characters interception function // string to be intercepted, $ num to intercept the length of return truncated string public function substrgb ($ in, $ num) {// $ num = 16; $ pos = 0; & ...

php tutorial to get the string uft-8 encoding // method one echo preg_replace ('# [x {4e00} -x {9fa5}] # ue', 'chinese_unicode (' ") '," hello, china "); / Guarantee "Hello, China" is utf-8. function chinese_unicode ($ c) {& n ...

Alert ("Createtechbook". Split (/(? =[a-z))/) Thank you. Copy Code code is as follows: <?php tutorial $str = "Abcdefghi"; /* Preg_match_all ([a-za-z]{1}[a-z]*)? [ ^a-z]/", $str, $array); * * $array =p ...

PHP Tutorial User custom Filter illegal SQL injection String functions function Uc_addslashes ($string, $force = 0, $strip = False) {!defined (' MAGIC_QUOTES_GPC ') &  & Define (' MAGIC_QUOTES_GPC ', GET_MAGIC_QUOTES_GPC ()); if (!mag ...

PHP Tutorial upload pictures and a transparent watermark to the picture $im = Imagecreatefromjpeg ($_file["Upload"] ["tmp_name"]); You want to fetch water. Example of the picture $watermark = Imagecreatefrompng ("Smiley.png"); The path $im _x = Imagesx ($im) of the watermark map; ...

PHP Tutorial Records search engine Tutorials Spider Crawl page code error_reporting (E_all & ~e_notice); $TLC _thispage = addslashes ($_server[' http_referer '].$_server[' php_self '));/* ($_server [' http_host '].$_SERVER[' PHP _self ']);($_server[' HT ...

PHP tutorial fsockopen function send Post,get request to get Web content (anti-collection) $post = 1; $url = Parse_url ($url); $host = ' http://www.jzread.com '; $path = '/'; $query = ' action=jzread.com ';   $port = 80; if ($post) {$out = &qu ...

PHP Tutorial Excel class from the MySQL tutorial to export data to XLS garbled $objPHPExcel->setactivesheetindex (0)->setcellvalue (' A1 ', iconv (' GBK ', '   Utf-8 ', ' Chinese Hello ')->setcellvalue (' B2 ', ' world! ') ->setcell ...

Anti-malicious refreshing PHP Tutorial Instance code is very instance, we often in order to prevent some of the user against malicious users to refresh the following let's take a look at this example code. <?php session_start (); $k =$_get[' K ']; $t =$_get[' t ']; $allowTime = 1800;//anti-refresh Time $ip = Get_client_ip (); $allowT = MD5 ...

Provide two php tutorial interception string function, they can automatically identify the Chinese Oh, if you are intercepting the article this is very good, like to come in and see it. <? php header ("content-type: text / html; charset = utf-8"); function strcut ($ string, $ length, $ dot = '...', $ chars ...

PHP Tutorial To determine if IP is legitimate regular expression code function matchip ($q) {Preg_match ((25[0-5)) | ( 2[0-4]D) | (1DD) | ([1-9]d) |d) (. ( (25[0-5]) | (2[0-4]d) | (1DD) | ([1-9]d) |d)) {3}/', $q, $matches); return $matches [0]; $ipaddress = ' 201 ...

In the PHP tutorial, the variables defined in a function, including parameters, cannot be accessed by the function external variables, and, by default, variables that are defined outside a function cannot be accessed by the function variables. The example below is <?php $a = 1; $b = 2;     function Sum () {global $a, $b; $b = $a + $b; Sum (); E ...

PHP substr_replace Replacement string Specify position character/* int Mb_strlen (string $str [, String $encoding]) <?php tutorial echo substr_replace ("Hello World ", the Earth", 6); Hello Earth?> is worth mentioning, when start and length are ...

PHP tutorial The two tables are merged into a new table and ordered <?php/** LA (3,5,8,11) lb (2,6,8,9,11,15) is merged into LC, arranged in order. With PHP, you can't use functions like sort!!!!     **/class Union {var $lista = array (); var $listb = array ...

This tutorial is about calling functions and function definition syntax, and talking about variables in functions and passing numeric methods to functions. First, the function of the basic PHP tutorial provides a large number of functions, and allows the user to customize the function, PHP function definition instance <?php function mycount ($inValue 1, $inValue 2) {$AddValue = $inValue 1+$   InValue2; Return $AddV ...

PHP Tutorial Anti-Injection code method filters all Get POST/* Filter all get over variable/foreach ($_get as $get _key=> $get _var) {if (Is_numeric ($get _var)) {$get [ Strtolower ($get _key)] = Get_int ($get _var); else {$get [Strtolower ($ge ...