Php

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 File download is a database tutorial based on the records and then use the header in PHP to achieve file download. ? Include './admin/connect.php '; @extract ($db->get_one ("select * from Movieinfo where id= '. $_get[' id ']."); $db->query (...)

PHP Common sort bubbling and recursive sort algorithm code bubble sort algorithm function Bubblesort ($arr) {$n =count ($arr); for ($i =0; $i < $n $i + +) {for ($j = $i; $j <=-1 $j + +) {if ($arr [$i]> $arr [$j]) {$temp = $arr [$i]; $arr [$i]= $arr [$j]; $ ...

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 ...

Pomm is a lightweight, fast, efficient and powerful PHP object management for postgresqlhttp://www.aliyun.com/zixun/aggregation/22.html "> relational Database model." Pomm generates code work from its speed and its rich feature settings with PostgreSQL benefits. It uses SQL as the query language because it is often the orms used by developers, making it easier to optimize queries directly. This also allows developers to ...

php tutorial to detect the length of the array function sizeof count in php detection array length function sizeof count Now see a simple example * / $ colorlist = array ("apple" => "red", "grass" => "green", " sky "=>" bl ...

php tutorial to get the native mac address three ways getmacaddr {var $ return_array = array (); / / return string array with mac address var $ mac_addr; ...

/php the repeating word in the string, generates the index string, and the string parameter is a string//--------------------------------------------------function Getindextext ($ Okstr, $ilen =-1) {if ($okstr = = "") r ...

PHP Tutorials for $_post,$_get filter single quotes and double quotes security functions function _strips Tutorial Lashes ($string) {if (Is_array ($string)) {foreach ($string as $key = > $val) {$string [$key] = _strips Tutorial Lashes ($val) &n ...

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 ...

This PHP tutorial generates pictures and verification code picture generation principle code, is by the PHP GD library to support, if your system can not create a picture on the front of the Gd.dll; ? $w? $RESIZEWIDTH = $w: $RESIZEWIDTH =400;//to generate the width of the picture $h? $RESIZEHEIGHT = $h: $RESIZEHEIGHT =400;//The height of the picture fun ...

PHP Tutorial Bulk Delete all files and folders under directory//delete directory All files/methods One $dir = "Test";     function Defiles ($dir) {$handle =opendir ($dir); while ($file =readdi ...

php tutorial to verify the legitimacy of the user name regular code We verify this user name is a regular validation of letters, numbers, username, not including Chinese Oh. function funcstrnum ($ str, $ num1 = '', $ num2 = '') // alphanumeric {if ($ num1! = '' and $ num2! = '') {return (preg_match ("/ ^ [^ a-z0-9a-z _@!.-] {& q ...

PHP tutorial Seven kinds of cache control output instance code can be opened according to the cache or not, there are several different ways of writing: note: The following code does not consider the IE cache must be greater than 256 bytes to output the problem, such as in IE test, please add a sentence in the code: "Echo str_repeat (", 256) "1:output_buffering = Off Implicit_flush=off for ($i =0; $i <10; $i + +) ...

PHP several collection remote server content code/method One imitates the user to access the Web page function Readpr ($link, $url) {$fp = Fsockopen ($url, $errno, $errstr, 30);   if (! $fp) {echo "$errstr ($errno) n"; E ...

PHP Ads Click Statistics Code, last night there are several IDC network to work with this site to put some ads, but I want to see the effect of advertising after the write a simple advertising statistics code, here is only the statistics can not IP restrictions or nausea click and so on. First, create the database. CREATE TABLE IF not EXISTS ' ad_count ' (' ad_id ' int (8) Not NULL auto_increment, ' Ad_h ...

PHP addslashes processing $_post $_get Array function This is my one equivalent to an automatic version of the feature used to process the $ _post array useful <?php function add_slashes ($an _array) {foreach ($ An_array as $key => $value) {$new _array[$key ...

PHP Tutorial Get checkbox Bulk Delete data code <form action= "? action=doing" method= "POST" > <input name= "id_dele[]" type= "checkbox" Id= "id_dele[]" value=&quo ...

Can customize what kind of string and how long [PHP] Code function random ($ length) {$ hash = ''; $ chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'; $ max = strlen ($ chars) - 1; mt_s ...

Several defense PHP Tutorial program by Trojan Attack configuration detailed method <!doctype HTML public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/ Dtd/xhtml1-transitional.dtd "> <html xmlns=" http: ...