PHP Tutorials

PHP Novice Ask a function I was looking at the source of a little doubt, first there is such a function function Submitcheck ($var = "") { if (empty ($_post)) { return false; } if ($_server[' request_method ') = = ' POST ' && (Empty ($_server['

How does this simple function that involves the regularization be implemented? Judge a string (the string can contain only the following three characters) 1.26 Letters of English 2. "0,1,2,3,4,5,6,7,8,9" 10 digits 3. "-" (conjunction number in

Ask an array of PHP questions Define an array in PHP $sz = Array (); If you add a specific name element to the array, I write it this way. $sz [A] = "123456"; And then use the Echo $sz [' a '] to output nothing what is this for? Is there any other

Find a regular expression Find a regular expression substitution Baidu Baidu as a label outside the string ------Solution-------------------- PHP Code $s = ' Baid,baidu,baidu,google,baidu Baidu sdfsdf www.baidu.com '; Echo preg_replace ("

Why does this SQL statement always fail? $idinfo =mysql_fetch_array ("select * from Tb_yonghu where name= ' $name ' and id= ' $id '") or Die ("Access failed"); Is the statement itself a problem? Is there any relationship between $name and $id plus

Are you familiar with the business or PDO? Always rollback, delete data Database type: SQLite No prompt error, one line test, there is no error, why always rollback? Always rollback, delete data What do you suppose is the reason? Here is the

How data in action is shared In the code, within a controller, containing multiple actions, I want to set the relevant variable in one action for another action read, how to do it. Class Indexcontroller extends Zend_controller_action { Public

Why are some Chinese characters not submitted to the database?? My database uses MySQL. Database test code is gb2312 inside there is a table news, encoding is also gb2312, there is a field title type is varchar Now I submit data to form news, I

Circular problem--help For advice Table 1: Db_1 Fid Fup Name --------------- Table 2: Db2 Fid Subject --------------- FID (table db_1) =fid (table db_2) -------------------------------- I want to loop through the name of fup=0 in table 1 and the

Online, etc., simple questions! The MySQL database has a good table with the following fields: GOOD_ID (auto-grow), good_name Among them good_id (13, 、.....) is the number, Good_name is the Chinese character (Tian Nan Xing, atractylodes ...) ）

FCKeditor direct input is not garbled, paste from word garbled, how the whole Page encoding is UTF-8. ------Solution-------------------- Upgrade to the latest. ------Solution-------------------- Because the encoding you use in Word is inconsistent

Smarty List Plugin displays title length and connection Now write a station, to write a list plugin in the Smarty plug-in, to intercept the title length. PHP Code Pageexecute ($sql, $pagesize, $page); $rs = $rs->getrows ();

How is the query statement written in thinkphp? Similar to the kind of QQ, a user information table, the user has some friends, how can I query the user's friend information displayed on the page. Thank you, GGMM! ------Solution--------------------

Ask a smarty question. Smarty There is no such as in PHP In_array () judgment, if not how to add in? If so, how to write? ------Solution-------------------- This is not Smarty's life, what do you want to throw to Smarty? I don't

How to determine a value change in a loop PHP Code $menus = Array ( 0=> "Top menu", 1=> "main Menu", 2=> "main Menu", 3=> "left menu", 4 = > "Footer menu", 5=> "Footer menu"), foreach ($menus as $menu) { //How to tell

HTML parsing error:unable To modify the parent container element before the CHI When I pass 2 parameters to the page, I'm going to go back to the wrong page. It was reported. Message: HTML parsing error:unable To modify the parent container element

PHP code prohibits search engine spiders In fact, robots.txt is not a total can stop spiders crawling your site, I combined some data to write a small piece of code, seemingly can completely solve the problem, the wrong place please give us a lot of

To ask the regular expression!! Testtesttes You want to use the Preg_replace function to leave the table properties only two of the rowspan=6 and colspan=4, the function of the regular how to write?? ------Solution---------

PHP uses regular expressions to intercept characters "help" Which expert to help see: I want to extract from the following code {Dede:field name= ' keywords '} {/dede:field} {Dede:field name= ' description '} {/dede:field} {Dede:field name= ' title '

How long is the cache appropriate? For example, Memcache, the cache period of data does not change, such as 30 minutes, this is not good, but the cache time set small meaning is not big, such as 30 seconds, cache this thing, in the end to set how