http://www.pagecity.org Sun, 27 Apr 2008 20:52:28 +0000 http://backend.userland.com/rss092 en Study goal: The academic society uploads the document with PHP and sends the mail The upload document form must add on enctype= " multipart/form-data " With <input type= " file " name= " file " > Below looks at the code: $f=&$HTTP_POST_FILES ['file']; $dest_dir='uploads';//hypothesis upload table of contents $dest=$dest_dir. '/' .date (“ymd”).”_ “. $f ['name']; // ... http://www.pagecity.org/news/ten-days-to-learn-php-1010pagecityorg_19/ Study goal: Matters needing attention Because I am study ASP first, therefore makes PHP again time will discover that many places need to adapt. 1st, the attention do not leak the semicolon 2nd, before the attention do not leak the variable $ 3rd, uses SESSION time pays attention do not omit session_start(); If occurs is ... http://www.pagecity.org/news/ten-days-to-learn-php-910_18/ Study goal: Makes a paging demonstration The key was uses in SQL sentence limit to define the demonstration the record from several to several. We need a record current page variable $page, but also needs altogether record to count $num Regarding $page, if does not have us to let its =0, if ... http://www.pagecity.org/news/ten-days-to-learn-php-810_17/ Learning Objective: To learn the use of SESSION SESSION many of the role, with most of the site is within the pages of variable transmission. We must start the page session_start (); Open SESSION; Then you can use SESSION variables, for example, is assigned to: $ _ SESSION [ 'item'] = "item1"; ... http://www.pagecity.org/news/earn-php-and-mysql-programingstep-by-step710pagecityorg_16/ Learning Objective: To learn to add amended to delete data mysql_query ($ exec); This statement alone can perform all the operations, is different this $ exec sql statement Add: $ exec = "insert into tablename (item1, item2) values ('".$_ POST [ 'item1']."',".$_ POST [' item1'].")"; Delete: $ exec = "delete from tablename where ..."; Laws: ... http://www.pagecity.org/news/learn-php-and-mysql-programingstep-by-step610pagecityorg_15/ Learning Objective: To learn to read data Look at the two functions: 1, mysql_query Submit a query string. Grammar: int mysql_query (string query, int [link_identifier]); return value: integer This function submit query string for MySQL related to the handling or implementation. If not specified link_identifier parameters, the program will automatically find the nearest open ... http://www.pagecity.org/news/learn-php-and-mysql-programingstep-by-step510pagecityorg_14/ Learning Objective: Institute of connecting to the database It is a PHP library, rich PHP function to some parts of quite simple. We down a proposal of the PHP function manual, used to the total. I am here to say to connect MYSQL database. 1, mysql_connect Open MySQL server connection. Grammar: int mysql_connect (string [hostname] ... http://www.pagecity.org/news/steps-to-steps-to-learn-php-and-mysql-programing410_13/ Objective: Construction Institute database In ASP, if it is ACCESS database you can open the MDB ACCESS to edit the document, if you can open SQL SERVER Enterprise Manager to edit SQL SERVER database, but in PHP, MY SQL command line editing may be beginners Am very troublesome, it does not ... http://www.pagecity.org/news/steps-to-steps-to-learn-php-and-mysql-programing310_12/ Learning Objective: To control the flow control php 1, if .. else cycle of three structures The first one is only used if conditions, as a simple judgement. Cheng explained, "if something happened, how to deal with." Syntax is as follows: if (expr) (statement) The expr for judging the conditions, are often used as ... http://www.pagecity.org/news/steps-to-steps-to-learn-php-and-mysql-programing210_11/ Below a brief introduction to PHP syntax. 1, embedded: ASP similar to the <%, PHP can be <? Php or < », the end symbol is«>, of course, you can also specify their own. 2, cited documents: The paper quoted two ways: require and include. require the use of methods such as require ( "MyRequireFile.php");. ... http://www.pagecity.org/news/steps-to-steps-to-learn-php-and-mysql-programing110_10/