PHP

Why can't the array in the SESSION be obtained sometimes? After logon: put the user object user into the SESSIOn & nbsp; in this way, Access & nbsp; $ _ SESSION [user] [priv]. Sometimes this is empty, and you need to access $ user $ _ SESSION [user];

[LAMP] Fatalerror: Calltoundefinedfunctionmb_detect_encoding () This post is last written by default7 in the Directory & nbsp; homedef [LAMP] Fatal error: call to undefined function mb_detect_encoding () This post was last edited by default7 at 14:5

Convert a piece of recursive code to function & nbsp; delRecursive ($ id, $ class_arr) {if ($) & nbsp; $ id0; for ($ i0; $ I & lt; count ($ class_arr); $ I ++) {if ($ class_arr [$ I] [3] $ id) {& nbsp; & nbsp; $ convert a piece of recursive code

PHP: How to compare the variable size php obtains the value of field A through row in the previous section $ A $ row [A] & nbsp; wants to compare the word $ A and "none, if they are equal, "none" is displayed in red. I would like to compare how to

What projects does php do? PHP is about to enter the project now & nbsp; I don't know what projects to do & nbsp; mall? & Nbsp; what is it? & nbsp; hope that experts can give suggestions and hope that the project will not be too simple & nbsp; or be

Ask for help about website background construction: why can I log on to the background even if the verification code is incorrect ;? Phpheader & nbsp; (& nbsp; Content-type: & nbsp; texthtml; & nbsp; charsetgb2312 & nbsp;); & nbsp; class & nbsp;

Parsing json in php I get a json string from a page, convert it to a json Array, and insert it into the database, but all the inserted values are null, i'm sure I can get the json string. & Lt ;? Php & nbsp; include_once (incconn. php); & nbsp; $

PHP is single-threaded. how can we deal with a large amount of http access? At the beginning, I only knew that php could be used as a website and never touched the php thread problem. today I suddenly learned that php is a single thread, but

The UFT8 truncation string, for example, is described below. the customer requires that the entered description be full, but there are numbers and punctuation marks in the description. The maximum value of the truncation is not fixed, and it must be

Call_user_func_array parameter passing & lt ;? Phpfunction & nbsp; a () & nbsp ;{& nbsp; & nbsp; $ p [asdf] & nbsp; 123; & nbsp; & nbsp; $ p [dfd] & nbsp; 234; & nbsp; & call_user_func_array parameter passing problem function a() { $p['asdf'] =

PHPmemcache implements message queue instances. Currently, memcache is widely used in server cache. here is an example of implementing message queue waiting in memcache. For more information, see. The principle of memche message queue is to make an

& Quot; & lt; foreach & gt;, & lt; if & gt; & quot; "& lt; & gt; & quot; can thinkphp & nbsp be modified; & lt; foreach & gt;, & lt; if & gt; & nbsp; "& lt; & gt; can you change it? & nbsp; I don't know what is going on here & nbsp; as long as this

I want to develop a subscription account for the public platform development server. I know little about it before and have little Web development experience. I recently started to check related materials. & nbsp; it is mainly interested in it. &

On the first day, PHP crashed. all the errors were reported ??? If ($ _ GET [all] yes) {& nbsp; echo & nbsp; hi; & nbsp;} error: Notice: & nbsp; Undefined & nbsp; index: & nbsp; all & nbsp; in & nbsp; C ??? if($_GET['all']=='yes'){ echo "hi"; }

Php connection to mysql database does not respond to php. ini is configured. when the mysql_connect method is executed, the browser reports & nbsp; 500 & nbsp; Internal & nbsp; Server & nbsp; Error, and the statements following mysql_connect method

Please explain the meaning of the code in one sentence. Header (X-Powered-By: ThinkPHP); this is a piece of code in thinkphp. I don't know what it means. please explain it. Thank you. ------ Solution -------------------- information about

The PHP page cannot be refreshed synchronously with the database. my current problems are: (1.php& nbsp; and 2. php is on the left and right sides of the framework. on the php page, add data to the database. the php page displays the database

Ask the company for YYUC technical documentation to launch the management platform recently. The framework uses YYUC and Baidu cannot find the documentation. [email & #160; protected], & nbsp; thank you very much ------ solution ------------------

After learning php, I made a project or showed the mighty power of php, I am a newbie. I just learned something about php. I want to make a project that can reflect the characteristics of php, what kind of project do I have to do? Or what kind of

When the webpage element location is disordered, click "Review element" to restore the normal display of the original webpage, and then include an online customer service. php. Firefox, IE11, and 360 are compatible. Google & nbsp; Chrome may be