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server errors is not ruled out. The second is that the function is very important. The curl_getinfo function will obtain the relevant information of the current request: The Code is as follows: Copy code Array([Url] => http://www.bKjia. c0m/[Content_type] => text/html; charset = UTF-8[Http_code] = gt; 200[Header_size] = gt; 321[Request_size] => 53[Filetime] =>-1[Ssl_verify_result] => 0[Redirect_count] => 0[Total_time] = gt;

This php ajax application instance uses ajax + php to call the urban second-level linkage menu, so that we can update the menu in real time based on the database content. The ajax application example of this php tutorial is an ajax + php call of the second-level urban linkage menu, so that we can update the menu in real time according to the database tutorial content. Www. bKjia. c0m. php code $ City_arr = array ("Ah" => "Hefei ","Fj

= "rooms /";// Encoding method$ Charset = "UTF-8 ";// Maximum number of content displayed on the client (not too large recommended)$ Maxdisplay = 300; // Language$ Lang = array (// Chat room description"Description" => "welcome to the mini ajax chat room. The latest version is 1.2. Download // Chat room title"Title" => "mini ajax chatroom by longbill ",// First welcome to the chat room"Firstone" => "// Display the information when the content is forbidden"Ban" => "I am a pig! ",// Keyword"Keyw

Remote File Download Code: here we provide you with a remote file download code. We can use php to download remote files to a specified local directory, the following is a code class for downloading remote server files. Remote File Download CodeHere we provide you with a remote file download code. We can use the php tutorial to download remote files to a specified local directory. Below is a code class for downloading remote server files. Class download{Var $ url; // remote file address Var $

How does the dedecms Q A system cancel credits and user login verification?/*Now I want to use dedecms for a q A function. This function does not require users to log on and ask questions. Because credits are required during the problem, I have canceled both the credits and credits.FindOpen the post. php tutorial file and find If (! Isset ($ action) $ action = ''; If (empty ($ uid) $ action! = 'Rate ') { Showmsgs ('no _ login', '../member/login. php? Gourl = ../ask /'); Exit; }

Php Date Format legality Regular Expression verification code this php Regular Expression date tutorial provides three methods to verify whether the date entered by the user is in the correct date format, one is to use checkdate for verification. Php tutorial Date Format validity Regular Expression Verification Code In this php regular date tutorial, three types of date formats are provided to verify whether the date entered by the user is in correct format. The two types are regular date verifi

Void var_dump (mixed expression [, mixed expression [,...]) This function displays the structure information about one or more expressions, including the expression type and value. The array recursively expands the value and displays its structure through indentation. */Function a_test ($ str) // User-Defined function{Echo "nhi: $ str"; // output parametersVar_dump (debug_backtrace (); // output backtrace}A_test ('friend'); // call a User-Defined Function // Let's look at a var_dump to traver

normal to log on to Firefox and encountered problems when it was launched. The user is always logged on. So I checked the differences between cookie records in IE and Firefox. After testing, I suddenly realized. If the fourth parameter (valid path parameter) of setcookie () is not specified, the current directory is used as the valid path by default, and the path I tested is: http: // 127.0.0.1/php/rss2fla/data/log. php. Therefore, the cookie paths set during login and exit are different. IE is

the code for PHP to determine whether the alexa tool is installed in your browser: The Code is as follows: Copy code If (! Preg_match ("# Toolbar # I", $ _ SERVER ['HTTP _ USER_AGENT ']) {showmessage (L ('alexa _ failure'), 'https: // www. bKjia. c0m', 8000 );} (Because the User-Agent characters in firefox and ie are different, Alexa Toolbar in firefox and My Toolbar in ie. Therefore, we only need to determine whether th

Function removeBOM ($ str = ''){If (substr ($ str, 0,3) = pack ("CCC", 0xef, 0xbb, 0xbf )){$ Str = substr ($ str, 3 );}Return $ str;}?> Therefore, the above BOM = pack ("CCC", 0xef, 0xbb, 0xbf), so the method for removing BOM can use the above removeBOM function or one of the following: ■ Str_replace ("replace", '', $ bom_content );■ Preg_replace ("/^ replace/", '', $ bom_content );Also see to judge whether this string is a function of the UTF-8: The Code is as

your database. Take UTF-8 as an example,Open the excel file, save it, and select ". CSV" as the file.Then open the. csv file with the compiler and save it as a UTF-8 csv file.Then, you can use php's getcsv to open the php file (this ensures that some of your fields are included, resulting in parsing errors), and then import the parsed results to the database. If it is in csv format, I do not need to be so troublesome. The Code is as follows: Copy code // Connect to the d

To export the content in the mysql database to excel, you only need to use the header to output the csv format document, you can simply export the excel file in mysql. Let's take a look at the example below. The core code is here. The Code is as follows: Copy code Header ("Content-Type: application/vnd. ms-excel; charsets = UTF-8 ");Header ("Pragma: public ");Header ("Expires: 0 ");Header ("Cache-Control: must-revalidate, post-check = 0, pre-check = 0 ");Header ("Content-

Curl is a FILE Transfer tool using URL syntax. It supports FTP, FTPS, http htpps scp sftp tftp telnet dict file and LDAP. Curl supports SSL certificates, http post, http put, and FTP uploads, kerberos, HTT-based upload, proxy, cookie, user + password proof, file transfer recovery, http Proxy channel and a large number of other useful techniques. After php is installed, the curl function extension is not enabled by default. You can enable this function extension in the following steps. Install cu

Php has a trime function for removing spaces. It can remove two spaces or directly use the ltrim function. The result of the rtrim function is the same as that of the trim function. If you want to delete all spaces, you only need to replace str_replace. I usually think about spaces. I usually use trim. Today, I found that spaces in the middle cannot be removed. however, we can only find out the description. trim can only go to two ends, for example, $ abc = a B c;. trim can only remove spaces be

correct! ";}}} Function _ desctruct (){// Clear}} // Call Method /* $ Img_path = "../users/user_photo/t2.jpg"; // path of the operated Image$ Is_auto_reduce = 1; // whether the image is automatically compressed according to the size level. 1 is$ Is_appoint = 0; // whether to manually compress 1 is$ Multiple = 0.5; // manually specify the compression ratio$ Is_water_str = 0; // whether to add watermark text$ Water_str = "www. bKjia. c0m"; // water

; createfolder (".../". $ this-> f1 );$ This-> createfolder (".../". $ this-> f2 );$ This-> createfolder (".../". $ this-> f3 );Return $ this-> chk_savefile ();} # Check whether the upload result is successfulFunction chk_savefile (){$ Copymsg = copy ($ this-> upfile, ".../". $ this-> filename );If ($ copymsg ){Return $ this-> filename;}Else {$ This-> msg ("File Upload Failed! Nn upload again! ");}} # Creating foldersFunction createfolder ($ foldername ){If (! Is_dir ($ foldername )){Mkdir ($ fo

= imagecreatefromjpeg ($ img );Break;Case 3:$ Srcf = imagecreatefrompng ($ img );Break;Default:Showmsg ('program call error. ');Break;} $ Desf = imagecreatetruecolor ($ mw, $ mh ); Imagecopyresampled ($ desf, $ srcf, 0, 0, 0, $ mw, $ mh, $ sw, $ sh );$ Sm_name = $ path. "s _". $ file;Switch ($ stype ){Case 1:Imagegif ($ desf, $ sm_name );Break;Case 2:Imagejpeg ($ desf, $ sm_name );Break;Case 3:Imagepng ($ desf, $ sm_name );Break;Default:Showmsg ('unable to generate a thumbnail of www. bKjia.

);Imagerectangle ($ image,$ L_ B _x + $ j * $ pit_x + 1,$ L_ B _y,$ L_ B _x + ($ j + 1) * $ pit_x-2,$ L_ B _y-$ d_h,$ Black_color );// Color the rectangle$ Current_color = $ data [$ j]> 0? $ Color_big: $ color_small;Imagefilltoborder ($ image,$ L_ B _x + $ j * $ pit_x + 1 + floor ($ pit_x/2 ),$ L_ B _y-floor ($ d_h/2 ),$ Black_color,$ Current_color );// Write date/* Imagestring ($ image,$ Chartfont,$ L_ B _x + $ j * $ pit_x,$ L_ B _y + 2,$ Current_date,$ Black_color );*/Imagettftext ($ image, 8