PHP Tutorials

Problems with PHP generating thumbnail images I think so .... I set the thumbnail image size to be generated to 100*50 My original picture is 1000*600. I want to have the original picture equal to the scale, horizontal or vertical center. Other

Usage of PHP doc type annotations /*** @name name * @abstract DECLARE variable/class/method * @access indicate access rights for this variable, class, Function/method * @author function Author's name and email address * @category organization

Learn the necessary knowledge of web development I will not database, to buy a book of this database in detail read again, in the study again? What are the other things that are so messy? It's best to write something in the order of

Amfphp Tutorial Series of Understanding AMF protocol Action Message Format (AMF)AMF is a loosely formatted binary format based on the SOAP (Simple Object access Protocol). It is primarily used to exchange data between Adobe Flash applications and

Use the object as an array in PHP ??????? We understand that in JavaScript, the properties and methods of an object can be accessed using the pattern of an array. But it's usually impossible. ??????? Why do you do this? This is because, in this

PHP Session principle Analysis and use ???? Before a blog called The Magic Lab read a "PHP session principle of thorough analysis" of the article, the author from the point of view of the use of the session is very good in the code in the course

May I ask what causes the PHP session to be lost? After successful login, set session, and then output session to see the session settings successfully. But the jump after the output session is blank. Server LINUX,APACHE,PHP5. Before the program

Is there any need for PHP to use Smarty?? The use of Smarty can handle a lot of things, but recently I am quite confused, whether it is necessary???? It provides a lot of page template instructions, but in the process of development I actually

Is there any way to download the files in the compressed package directly with PHP without pressure? With php_zip.dll extension, filename can be read out But this feature has not been implemented This function is very important, if successful,

For PHP master, look at the principle of this section of encryption algorithm PHP Code function Sys_auth ($str, $action = ' encode ', $key = ') { $key = MD5 ($key); $str = $action = = = ' encode '? $STR: Base64_decode ($STR);

PHP Send File function SendFile ($fileName, $fancyName = ", $forceDownload = true, $speedLimit = 0, $contentType =") { if (!is_readable ($fileName)) { Header ("http/1.1 404 Not Found"); return false; } $fileStat = stat ($fileName); $lastModified

PHP Code Conversion Class 3 PHP Encoding Conversion class Please download the attachment, including the file: ? converter.class.php/TABLES/BIG2GB. Table/tables/big2uni. Table/tables/big5-unicode.table/tables/gb2big.

The solution to empty and isset-the judgment of whether the PHP variable is defined PHP generates a warning when an undefined variable is accessed ? You can use empty () or isset () to determine whether a variable is defined before using it.

PHP extensions for detecting sensitive words Sensitive word filtering is a special skill that I must have for programmers, and as more and more sensitive words, it's time to write an extension to quickly detect sensitive words. Instructions for use

Phpexcel's Exception ' Exception ' with message ' The filename ' isn't recognised as an OLE file problem resolution [Error message] Exception ' exception ' with message ' the filename '. /.. /uploads/taobaoexcel/day_110815/201108151844517294.xls

How do I unzip the. tar.gz. gzip. GZ Type Document I want to upload a document to the server, in a format that may be tar.gz or gzip, or it may be a GZ format document. Then unzip it via PHP. I found some code on the Internet, can upload and unzip

How to improve query speed by using PHP to process millions data Using PHP to process millions above data to improve query speed method:1. Try to avoid using the! = or <> operator in the WHERE clause, or discard the engine for a full table scan

The date function and the time function in PHP. The time () function is to get the current timestamp from January 1, 1970 Zero 0 minutes and 0 seconds The date () function is a formatted timestamp. Does anyone know how he formatted it? Like if I

Prevent multiple PHP form submissions When an HTML form is submitted, it may take a few seconds before the submission is successful and the form of the response page is displayed. People can get free and click the Submit button several times, which

PHP Gets the current date and time formatting method Using the function date () implementation Format displayed: Year-month-day hour: minute: WonderfulRelevant time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than