PHP

Instance One The code is as follows Copy Code $string = "I am ABC";if (Ereg ("Www.111cn.net", $string)) echo "' abc ' is true ";if (Ereg ("^abc", $string)) echo "' ^abc ' is true ";if (Ereg ("abc$", $string)) echo "' abc$

  code is as follows copy code php Tutorial Ajax Paging program code Home 1 2 3 4 5 last

The code is as follows Copy Code function Pagenavi ($total, $offset) {Global $conf _pagemax;Global $conf _home;Global $conf _pastlog;Global $view;$next = $offset + $conf _pagemax;$prev = $offset-$conf _pagemax;echo "";if ($offset >

fopen Read File instances The code is as follows Copy Code $path = ' a.txt ';$FP =fopen ($file, "R");//Open file as read-onlywhile (!) ( Feof ($FP))){$text =fgets ($FP);//read a file on one lineEcho $text;}

The code is as follows Copy Code php Tutorial Extract article content picture address regular expression ?if ($_post){$body = $_post[' body '];Preg_match_all ("/(SRC|SRC) =[" | ' |] {0,} ((.*). (gif|jpg|jpeg|png|bmp)) /isu ", $body,

  code is as follows copy code $uid = $_ request[' uid ']; Checkusername ($UID); Function Checkusername () {   $title = $uid;  if (Empty ($title))  {   r Eturn false;  }  else  {   mysql tutorial _connect (' localhost ', '

  code is as follows copy code $ Fruits = Array ( "fruits" => Array ("A" => "Orange", "B" => "banana", "C" => "Apple"), "Numbers" => ; Array (1, 2, 3, 4, 5, 6), "holes" => Array ("A", 5 => "second", "third") ); $arr 1 = Array (

php File Upload Simple example application The code is as follows Copy Code The Enctype property of the Upload this file: 3.php file The code is as follows Copy Code Move the file

The code is as follows Copy Code function Upfile ($filename, $type, $path){ $tempfile =$_files[$filename];//receive uploaded temporary files There was no upload successif ($error = $tempfile ["Error"]){Switch ($error) {Case 1:

The code is as follows Copy Code $conn =mysql tutorial _connect ("localhost", "root", "");$db =mysql_select_db ("Gan");mysql_query ("Set names ' GBK '");?> Untitled Document $url =$_server[' Request_uri '];$url =parse_url

If (function_exists (' Curl_init ')) { $ch = Curl_init (); curl_setopt ($ch, Curlopt_url, $url _with_get); curl_setopt ($ch, Curlopt_post, 1); curl_setopt ($ch, Curlopt_postfields, $post); curl_setopt ($ch, Curlopt_returntransfer, true);

PHP Tutorial Regular judgment Chinese character $STR = "China";Echo $str;echo ""; if (Preg_match ("/^[". Chr (0XA1). " -". Chr (0xFF)."] +$/", $str)) {//can only be used in gb2312 casesif (Preg_match ("/^[x7f-xff]+$/", $str)) {//compatible gb23

[Ajax Introduction] Ajax is a Web application development method that uses client script to exchange data with a Web server. Web pages can be updated dynamically without interrupting the interactive process. With Ajax, users can create a direct,

Theme after a long timeThe result shows that there is a problem with the local build.Why don't we bother? (? ^ ?)?When posting in Baidu POST BarJSON is often used to obtain some values.So how does PHP output JSON data?In fact, the 'json _ encoding'

Compressing css code reduces the file size, reduces the amount of network transmission and bandwidth usage, and reduces the processing pressure on the server.Source code: The code is as follows:Copy code $ String = trim (stripslashes ($ _ POST ['

For example, when an atomic bomb is dropped, blood may be reduced for troops or buildings in the killing range. However, the damage degree varies with the distance from the central point, in addition, different types of weapons and damaged buildings

I have a good explanation on segmentfault:If you use closed tags, any developer, user, or the spaces after inserting the closed tag in the FTP application may cause redundant output, PHP errors, and subsequent output failures or blank pages.

The filter function filters IP addresses by using the following methods: The code is as follows:Copy code Echo filter_var ("127.0.0.1", "FILTER_VALIDATE_INT"); // return true or false Example.Determine whether the IP address is valid The code

Export classPHPExcel-type excel export, while some simplified PHPExcel processing, basically can meet the data export excel functionThe code is as follows: The code is as follows:Copy code // Load the PHPExcel classRequire './phpexcel/PHPExcel.

Php code The code is as follows:Copy code // Use the instanceInclude 'mobile _ Detect. Php ';$ Detect = new Mobile_Detect ();// Check for any mobile device.If ($ detect-> isMobile ())// Check for any tablet.If ($ detect-> isTablet ())// Check