PHP determines if a good way image is valid

PHP determines if remote pictures are valid ? $url = "http://www.iteye.com/upload/logo/user/275746/46a4c886-427e-3554-b195-083430beb92a.jpg"; echo "$url"; $arr = Get_headers ($url, 1); Echo $arr [" Content-type "]; Image/jpeg The following are the

A basic PHP-related issue

A basic PHP problem Problem: Assigns a string to an array. String: $str = 1,2,3,4,0,34,0,8,55,0; Array: $array = Array (1,2,3,4,0,34,0,8,55,0); I want to use variables as parameters to the value of the array, how to write? The following syntax

Seek the regular hand!

Seek the regular master!!! Public Health Network hehePublic Health Net place opened to the nearby Ali Public Health Network Use regular replacement ' public Health Net ' for ' MM ' Can not replace the A tag, img tag inside. (Other uses

: How to limit the submission from a page

Help: How to limit the submission from a page? I want to implement this function, The destination page determines the AJAX submission of the source page, And whether it is from a limited source page, such as log_in.php, If not, then jump

Code does not know how to solve

Code does not understand Randomly displays four numbers on the canvas, and the horizontal spacing and position of the characters are randomly generated at a certain range of fluctuations $im = Imagecreate (60,20) $strx =rand (3,8); for ($i =0; $i

How to use PHP's built-in classes in namespaces

How do I use PHP's built-in classes in namespaces? Hello, beginner PHP, encounter problems, ask for advice: This is the code in a php file. Contains 2 namespaces, Test2 and Test4, Exception class throws an error in Test2 Errors are detected in the

PHP Memecache Cache Grouping wonder

PHP Memecache Cache grouping doubts In PHP memcache cache, I only found add,delete two ways to add or remove a cache, no grouping function Like the Java version Memecache has grouping features, such as I use a user diary group when I updated the

PHP takes webservice data back to array dimension is incorrect

PHP Fetch WebService Data Return array dimension is incorrect I used the Nusoap plugin to read the webservice, but there was a problem. When the returned array is larger than 1, it is returned correctly, but when the array data has only 1 groups,

Questions about the PHP text box

Problems with PHP text boxes Just learned PHP, encountered a lot of problems, please kindly people help solve! 1. The text box already has the content value= "content", how to do click button, make the content of this text box empty or replace

PHP MySQL INSERT into while contingency terminated

PHP MySQL insert into while unexpected termination PHP Code $result = mysql_query ("Select UID, PID, Cate from UPCM") and while ($rows = Mysql_fetch_row ($result)) {$arry = explode ($se PR, $rows [2],5); $query = "

Share the pick code of a novel

Share the collection code of a novel. Recently, using locomotives, et to collect novels, according to their rules often not come out. Encounter like the novel 520 inside with the IFRAME directly hanging off, only himself wrote a, just began to think

Ask a simple header function for PHP about the problem

Ask a simple header function question for PHP Header (' Content-type:image/pjpeg '); Header (' content-type:application/force-download '); Header (' content-disposition:attachment; Filename= '. $name. '); Header (' Content-length: '. strlen

Ajax compatibility related issues in Firefox browser, the program runs normally in IE

Ajax compatibility problem in Firefox browser, the program runs normally in IE var Xmlhttp=false; function Createxmlhttp () { try{ Xmlhttp=new XMLHttpRequest (); }catch (Trymicrosoft) { try{ Xmlhttp=new ActiveXObject ("msxml2.xmlhttp"); }catch

Simple setup of ThinkPHP3 pseudo-static with URL rewrite multiple match

ThinkPHP3 simple settings for pseudo-static and URL rewrite multiple matches Configure Apacheaccording to the section of the ThinkPHP3.0 manual URL rewrite. Then place the . htaccess file in the root directory of the Web site, as indicated in the

Master to, about the socket in PHP related issues

Master to, about the socket in PHP problem! A hardware to send data to the server port (packet soft to get the correct 16), the data captured by the capture software is normal (16), however, through the socket of PHP data (through the conversion is

PHP Delimited string array

PHP delimited strings are arrays Explode explode-using one string to split another string Array explode (string $separator, string $string [, int $limit]) This function returns an array of strings, each of which is a substring of string,

PHP function Preg_match_all matching with jquery how to write

PHP function Preg_match_all matching with jquery how to write $s = [email protected]@[email protected] @d Ceff @e '; $pattern = '/@[^\s|@]+/'; Preg_match_all ($pattern, $s, $match); Echo ' ';Print_r ($match);Results:Array( [0] = = Array (

About PHP Implementation of MVC issues

About the problem of PHP implementing MVC Ladies and gentlemen, I am a novice php, recently in the development of a PHP project, I use the MVC pattern to achieve. The class of the project is divided into the Controller class (c), the Model class (M),

MySQL garbled how to do AH

MySQL garbled how to deal with AH? Please look at the master ------Solution-------------------- Http://c//Documents%20and%20Settings//Administrator//%E6%A1%8C%E9%9D%A2//1.jpg Landlord pit father, glued a local path up. ------Solution--------------

Well, like the jackpot, the same bug.

Well... The same bug as the winner? PHP Code Var_dump ($sumArr [' trade_closed '); $sumValue = Array_sum ($SUMARR); Var_dump ($SUMARR); Var_dump ($sumArr [' Trade_ CLOSED ']); Results: int 3 Array (size=4) ' Wait_seller_send_goods

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