PHP

Http-referer This variable has become increasingly unreliable, is completely can be forged out of the Dongdong. 1.php request 2.php.1.php Code: The code is as follows Copy Code $ch = Curl_init ();curl_setopt ($ch,

PHP File-reading functionFILE-Reading functions The code is as follows Copy Code function Php_read ($file _name) {$FD =fopen ($file _name,r);while ($bufline =fgets ($FD, 4096)) {$buf. = $bufline;}Fclose ($FD);return $buf;

The code is as follows Copy Code function Format_date ($STRING 1){$STRING 1 = str_replace ("-0", "-", $STRING 1);$STR = Strtok ($STRING 1, "-");$STRING 2 = $STR. " Years ";$STR = Strtok ("-");$STRING 2. = $STR. " Month ";$STR =

The code is as follows Copy Code ?/*** Manipulating file Classes*Example* Fileutil::createdir (' A/1/2/3 '); Test build folder Build a A/1/2/3 folder* Fileutil::createfile (' B/1/2/3 '); Test build file Build a 3 file under the b/1/2/

PHP get system current path and check PHP configuration parametersfunction GetPath ($mainpath, $relativepath) {Global $dir;$mainpath _info = explode ('/', $mainpath);$relativepath _info = explode ('/', $relativepath);$relativepath _info_count =

function copy ($from, $to) {if ($this->abspath ($to) = = "/") $to = $this->basedir;if ($this->dirname ($from) = = $this->dirname ($to)) $to = $this->dirname ($to). ' /duplicate '. basename ($from);if (!is_dir ($from)) {Return @copy ($from, $to);}

PHP Instance Verification code and login instance Session_Start (); if ($act = = "Init"){Header ("Content-type:image/png");Srand (Microtime () * 100000);$login _check_number = Strval (rand ("1111", "9999")); Session_register ("Login_check_number")

PHP rmdir Delete file directory code Class Del_path{function Wm_chief_delpath ($del _path){if (!file_exists ($del _path))//The target directory does not exist is established{echo ' Directory not found. '; return false;}$hand = @opendir ($del _path);

PHP User Registration and login proceduresfunction Islogin_xzy (){if (!isset ($_session[' user ')) {$json [' Status ']=1;}else{$ssess _=db ("session as S");$where = "S.session_id= '". session_id (). "' and u.uid are not NULL ';if ($user = $ssess

$message//article content Regular (this is not yet) $reg = "/]*src=" (http://(. +)/(. +). ( JPG|GIF|BMP|BNP)) "/isu"; Store the IMG address in the $img _array variable Preg_match_all ($reg, $message, $img _array, Preg_pattern_order); Filter for

Function Getvis (& $pagesid,& $retime) {Global $err, $conf, $HTTP _cookie_vars,$_cookie; if (isset ($_cookie[' ant ')) $cot =$_cookie[' ant '];ElseIf (isset ($HTTP _cookie_vars[' ant ')) $cot = $HTTP _cookie_vars[' ant '];else $cot = ';$cos

There are two functions to replace a specified string with a PHP string.Substr_replace (): replace a part of the string with another string.Str_replace (): Use one string to replace other characters in the string.Substr_replace ()The substr_replace (

// URL redirectionFunction redirect ($ url, $ time = 0, $ msg = "){// Multi-line URL support$ Url = str_replace (array ("\ n", "\ r"), ", $ url );If (empty ($ msg ))$ Msg = "The system will automatically jump to {$ url}! after {$ time} seconds

Flock(PHP 4 and PHP 5)Flock-portable consultation file lockingDescriptionBoolean group (resource $ processing, interpreting $ operations [Abstract & $ wouldblock])Flock () allows you to perform a simple card reader/write mode, which can be used on

Method 1. Paging by word countPaging by words is easy to use, but the effect is poor.General Idea: first, set the maximum number of words per page. Then, calculate the total number of words in the article content, and then calculate the total number

1. Email judgment: The code is as follows:Copy code Function is_email ($ email ){Return strlen ($ email)> 6 & preg_match ("/^ [w-.] + @ [w-] + (. w +) + $/", $ email );}?> 2. Determine the Url: The code is as follows:Copy code Function

1. php The code is as follows:Copy code Basic information 1: Basic information 2: 2. php The code is as follows:Copy code Product name: Product price: Product Model: "/> "/> 3. php The code is as follows:Copy code Other information 1:

Variable referencePHP reference allows you to use two variables to point to the same content The code is as follows:Copy code $ A = "ABC ";$ B = & $;Echo $ a; // output here: ABCEcho $ B; // output here: ABC$ B = "EFG ";Echo $ a; // Here, the

The code is as follows:Copy code /*Capture Baidu indexed code*/Function baidu ($ s ){$ Baidu = "http://www.baidu.com/s? Wd = site % 3A ". $ s;$ Site = file_get_contents ($ baidu );// $ Site = iconv ("gb2312", "UTF-8", $ site );Ereg ("find related

Php generates a barcodeFunction UPCAbarcode ($ code ){$ Lw = 2; $ hi = 100;$ Lencode = array ('20140901', '20160901', '20160901', '20160301', '20160301 ','123', '123', '123', '123', '123 ');$ Rencode = array ('20140901', '20160901', '20160901', '2016