PHP

Ask the experts how this array gets the "detailed" result $ array = array (, 55); $ sum = 0; for ($ I = 0; $ I & lt; 5; $ I ++) {$ sum + = $ array [$ array [$ I];} echo $ sum? P. Ask the experts how this array gets the "detailed" result. $ Array =

How can this problem occur when using the rename function? Warning: rename(newpic(1).jpg, newpic(12.16_lrg.jpg) [function. rename]: NosuchfileordirectoryinF: \ www1 how can this problem occur when using the rename function? Warning: rename (newpic (

New php users want to ask the PHPMYSQL value passing question. This is a problem! $ Query = & quot; SELECTnamefromtablewhereid = _ $ POST [$ id] & quot; $ result = mysql_query ($ query); echo $ result; I just want to get all new php users whose id

Evaluate the transformation of two regular expressions to read each row of csv data for matching. $ UserPattern = & quot;/[0-9] + [\ s, \ s] + & quot ;. $ testId. & quot;/I & quot; match a csv row: 14, test14, 0. now the csv data is changed to: 14,

I never quite understand why memcache is used when smarty is used ~~~~ It is said that the combination of smarty and memcache is a good combination of optimization, but I don't understand why memcache is used when smarty is used ~ Is there A page

Thank you !!! Urgent !! Thank you !!! I downloaded several php programs from the Internet, but I don't know which file to open. There are all source files and no project. which one is used to open the project? can none of them be used to open it all?

The jqGrid cell is a drop-down box. Can the two-level association of selected rows be realized? JqGrid constructs a list with several columns as the drop-down list. who can give me some ideas to achieve the second-level linkage in the drop-down box

The database is unavailable. check whether the database exists and whether the user has the right to access the php + mysql + Apache + zo configuration set up in the database locally, however, when the database information is installed and

Please help me with the where problem in phpmysql. $ select = $ this-& gt; db-& gt; select (); $ select-& gt; from (PREFIX. $ this-& gt; _ table. 'ass ',' * ') urgently asks the where problem in php mysql Could you please help me? $ Select = $

How to output the value of a specific key name in a two-dimensional array $ url = 'http: // quotes.money.163.com/hs/service/marketradar_ajax.php? Page = 0 & amp; query = STYPE % 3 AEQA & amp; types = JHJJFL & amp; count = 28 & amp; type = q how to

Please give me a question about foreach, such as XMLcode & lt ;? Xmlversion = & quot; 1.0 & quot; encoding = & quot; UTF-8 & quot ;? & Gt; & lt; top & gt; & lt; middle & gt; ask me a question about foreach. There is an XML file, for example: XML

Is there a curl alternative? my php Server has not enabled curl. Is there any open source php package that can replace curl ?? In addition, can zend_http be used separately (except http/and Expection. php) to replace curl ?, Does the Snoopy class

Php uses CURL to determine whether the received webpage is complete when the network speed is poor, only some content is received, for example, using CURL to download a webpage if the network speed is not returned to the force function, only some

Basic questions: Cainiao asked for help. thank you very much. $ u1_nick = $ this-& gt; session-& gt; userdata ('userinfo') ['screen _ name']; the above code reports an error in NetBeans. the error is: & quot; syntax error: Expected: ins basic

How to use arrays to accept this series of parameters? Use jquery to asynchronously pass a series of parameters to page B: & nbsp; $. get ('Get. php? A = & quot; + Math. random () ', {name: $ (this ). val ()}, function (data) {& nbsp; how to use

PHP and mysqli configuration problems wow speed solving Fatalerror: Calltoamemberfunctionexecute () onanon-objectinE: \ yaoke \ function \ function_common.phponli PHP and mysqli configuration problems wow speed solving Fatal error: Call to a member

Php cannot connect to the database; enable bz Library extension = php_bz2.dll; enable Image Library extension = php_gd2.dll; enable mysql Library extension = php_mysql.dllextension = php_mysqli.dll or above is my php. ini php cannot connect to ;

The code for uploading an image and recording the path in MYSQL indicates that the function of uploading only one image has been implemented. uploading two images cannot be implemented. the code segment is relatively simple. please give us some

I got a date regular expression !! It's hard to learn Regular Expressions !!! Bitter and hard to understand !!! $ Str = & quot ;~ 2012-3-1 + 2012-12-31 + 14200 + + & quot; $ flag = ereg (& quot; ([0-9] {4})-([0-9] {1, 2 }) -([0 Regular expression

How can I not find the sum of array array_sum? Array_sum () calculates the sum of a three-dimensional array. The result is 0, and the result of $ count is 91125. Thank you for your explanation. PHPcode $ count = 0; $ brr = array (); for ($ I = 0