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• Doctrine SQL Server uniqueidentifier isn't cast as char or nvarchar when retrieved from the database

  - by Tres

  When I retrieve a record from the database which has a column of type "uniqueidentifier", Doctrine fills it with "null" rather than the unique id from the database. Some research and testing has brought this down to a PDO/dblib driver issue. When directly querying via PDO, null is returned in place of the unique id. For reference, http://trac.doctrine-project.org/ticket/1096, has a bit on this, however, it was updated 11 months ago with no comment for resolution. A way around this, as mentioned at http://bugs.php.net/bug.php?id=24752&edit=1, is to cast the column as a char. However, it doesn't seem Doctrine exposes the native field type outside of generating models which makes it a bit hard to detect uniqueidentifier types and cast them internally when building the sql query. Has anyone found a workaround for this?

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• MySQL: Efficient Blobbing?

  - by feklee

  I'm dealing with blobs of up to - I estimate - about 100 kilo bytes in size. The data is compressed already. Storage engine: InnoDB on MySQL 5.1 Frontend: PHP (Symfony with Propel ORM) Some questions: I've read somewhere that it's not good to update blobs, because it leads to reallocation, fragmentation, and thus bad performance. Is that true? Any reference on this? Initially the blobs get constructed by appending data chunks. Each chunk is up to 16 kilo bytes in size. Is it more efficient to use a separate chunk table instead, for example with fields as below? parent_id, position, chunk Then, to get the entire blob, one would do something like: SELECT GROUP_CONCAT(chunk ORDER BY position) FROM chunks WHERE parent_id = 187 The result would be used in a PHP script. Is there any difference between the types of blobs, aside from the size needed for meta data, which should be negligible.

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• click multiple times a submit button

  - by Olga Anastasiadou

  Hi all, I encountered a problem that I can't solve. My point is to "click" my sybmit button and every time increase a counter, while this counter reach 10. For the first time it works, but this is it! My test code is below : <form name="testForm" method="post"> <?php $cnt=0; ?> <input type="submit" name="next" id="next" value="NEXT"/> <?php if(isset($_POST['next'])){ if($cnt< 10){ echo $cnt.' --> '; $cnt++; echo $cnt; } } ?> </form> Only 0 -- 1 is printed, every time... please help!! Thanks

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• exec() function doesn't rule svn checkout

  - by bahamut100

  Hi, I'm writing some functions in php using exec() to interrogate a svn. The commands exec("svn list ".$myurl) works. Now, I try to get a path on a svn repository with the checkout command. When I put the command "svn checkout http://core.wordress.org/tags/2.9.2/ last-version" directly in the console, it works. But when I do this from a php script using exec(), like this : exec("svn checkout ".$myurl, $dir) it doesn't work. Have you an idea ??

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• Which is more efficient/faster when calling a cached image?

  - by andufo

  Hi, i made an image resizer in php. When an image is resized, it caches a new jpg file with the new dimensions. Next time you call the exact img.php?file=hello.jpg&size=400 it checks if the new jpg has already been created. If it has NOT been created yet, it creates the file and then prints the output (cool). If it ALREADY exists, no new file needs to be generated and instead, it just calls the already cached file. My question is regarding the second scenario. Which of these is faster? redirecting: header('Location: cache/hello_400.jpg');die(); grabbing data and printing the cached file: $data = file_get_contents('cache/hello_400.jpg'); header('Content-type: '.$mime); header('Content-Length: '.strlen($data)); echo $data; Any other ways to improve this?

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• Why are cookies only sent to http://www.example.com and NOT http://example.com?

  - by Axel

  I have a PHP login which sets 2 cookies once someone login. The problem is that if you login from http://www.example.com and you go to http://example.com, you will find yourself not logged in. I think that is because the browser only send the cookies to the first syntax. It is only one domain, the difference is the www. before the domain name, so how to set cookies to the whole domain whatever there is www. or not? <?php setcookie('username',$username,time()+3600); ?>

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• Call to a member function query() on a non-object

  - by Randy Gonzalez

  Ok, this is so weird!!! I am running PHP Version 5.1.6 when I try and run the code below it gives a fatal error of an object that has not been instantiated. As soon as I un-comment this line of code //$cb_db = new cb_db(USER, PASSWORD, NAME, HOST); everything works. Even though I have declared the $cb_db object as global within in the method. Any help would be greatly appreciated. require_once ( ROOT_CB_CLASSES . 'db.php'); $cb_db = new cb_db(USER, PASSWORD, NAME, HOST); class cb_user { protected function find_by_sql( $sql ) { global $cb_db; //$cb_db = new cb_db(USER, PASSWORD, NAME, HOST); $result_set = $cb_db->query( $sql ); $object_array = array(); while( $row = $cb_db->fetch_array( $result_set ) ) { $object_array[] = self::instantiate( $row ); } return $object_array; } }

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• Client / Server security from mobile to website

  - by Amir Latif

  Hey. Am new to the world of web programming and learning a bunch of fairly simple new pieces of tech, trying to piece them all together. So, we have a simple client (currently iPhone, to move to J2ME soon) that's pulling down lists of data via PHP, which is talking to a MySQL db. I have a rudimentary user/login system so that data is only served to someone who matches a known user etc, either on the website or on the client. All the php scripts on the website that query the DB check to make sure an active session is in place, otherwise dumping the user back to the login screen. I've read a little about SSL and want to know if that is sufficient to protect the website AND the data passing between the server and the client?

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• phpunit - generate tests for all the classes from a directory

  - by joe

  Hi! I have a directoy structure, and all the classes of the business logic are placed in the app_dir/lib/ directory. I would like to generate unit tests for all the classes from this lib/ folder. The problem is, that I haven't found any option to specify the source directory, only the source file: from app_dir: phpunit --skeleton-class lib/ Error: "lib/.php" could not be opened. Is it the only solution to write my own php script, which iterates through the /lib folder and calls the skeleton generator for every file found? And how can I specify the output folder, where all the generated test files are placed? Thanx, Joe

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• How to open form action in Jquery Dialog

  - by user342391

  I have a form: <form style="display: inline;" action="/player.php" method="post"> <input type="hidden" name="recname" value="'.$row['name'].'"> <input type="hidden" name="recordingdesc" value="'.$row['description'].'"> <input type="hidden" name="reclink" value="$_SESSION['customerid'].'-'.$row['timestamp'].'.wav"> <button type="submit" class="tooltip table-button ui-state-default ui-corner-all" title=" rec"><span class="ui-icon ui-icon-volume-on"></span></button> </form> and i want player.php to open in a modal dialog and be able to display the post information how can this be done.

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• SQL Server instead of MYSQL in WAMP

  - by Vish

  Hi, We have an application which uses WAMP server. Now, there is a new requirement from a customer who wants to use MS SQL Server instead of MySQL. How easy is it to port to SQL Server from MySQL. Also it has to retain this configuration. Apache-PHP-SQL Server on windows. How can I connect from Apache to SQL Server. Hope PHP works well with SQL server. Please advise. Thanks, Vish

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• Lazy loading? Better avoiding it?

  - by Charlie Pigarelli

  I just read about this design pattern: Lazy Load. And, since in the application i'm working on i have all the classes in one folder, i was wondering if this pattern could just make me avoiding the include() function for every class. I mean: It's nice to know that if i forgot to include a class, PHP, before falling into an error, trough an __autoload() function try to get it. But is it fine enough to just don't care about including classes and let PHP do it by your own every time? Or we should write __autoload() just in case it is needed?

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• Understanding Nested If.. Else statements

  - by user1174762

  For some reason my PHP login script keeps returning "invalid email/password combination", yet i know I am entering the correct email and password. Does anyone see what I might be doing wrong? <?php $email= $_POST['email']; $password= $_POST['password']; if (!empty($email) && !empty($password)) { $connect= mysqli_connect("localhost", "root", "", "si") or die('error connecting with the database'); $query= "SELECT user_id, email, password FROM users WHERE email='$email' AND password='$password'"; $result= mysqli_query($connect, $query) or die('error with query'); if (mysqli_num_rows($result) == 1) { $row= mysqli_fetch_array($result); setcookie('user_id', $row['user_id']); echo "you are now logged in"; } else { echo "invalid username/password combination"; } } else { echo" you must fill out both username and password"; } ?>

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• Open zip file without temporary files

  - by Javis Perez

  i've seem this post about extracting a zip without a temporary file via stream and pipes: Open a file from archive without temporary extraction The problem is that i'm using php and have no idea if that is possible. I've search a lot with no luck. My idea is to preview zip files from the dropbox using its API but i dont want to save the files to a local drive, just preview the content. Any idea if that's possible with php? Almost everything i found is about creating the file, not reading it... :-\ I was thinking that i might try with nodejs, but i know mostly nothing about nodejs, do you think it would support it? Any other idea please? thank you.

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• MySQL Locks: order of unblocked threads

  - by teehoo

  I have a MySQL ISAM table being accessed my multiple php instances. Right now I'm using a WRITE lock to serialize access to this table. My question is how do I ensure that the PHP instances get served on a First-Come-First-Serve basis? Or is this the default behaviour? The official MySQL documentation doesn't mention anything about the blocked thread order for threads of the same lock type (ie multiple threads attempting a WRITE LOCK). It only mentions that a WRITER will jump to the front of the waiting queue if READERS are waiting.

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• PHP 5.5 sort en Alpha1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe

  PHP 5.5 sort en Alpha 1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe Le cycle de publication de PHP 5.5.0 vient officiellement de débuter. Les développeurs de la plateforme Web ont publié la première version Alpha de PHP 5.5.0. PHP 5.5.0 apporte des nouvelles fonctionnalités majeures au langage, dont le support des générateurs. Les générateurs sont un moyen simple et puissant de créer des itérateurs. L'introduction des générateurs dans PHP va permettre aux développeurs d'implémenter des itérateurs sans avoir à écrire beaucoup de code décoratif. Le support des générateurs s'accompagne de l'introduction du nouveau mot c...

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• library interposition with dlsym

  - by ZeeGeek

  I'm writing an interposition library to track the usage of some library functions in libc, such as open(), close(), connect(), etc. It works generally well on most of the applications. However, when I try it with PHP, using PHP's MySQL module in particular, none of the function calls to libc inside this module is been tracked (so no connect(), no socket(), etc.). 'strace' told me that the system calls socket(), connect(), etc., took place. Running 'file' on the module and libmysqlclient.so.16.0.0 said that they are all dynamically linked. So it shouldn't be a problem caused by static linkage. What might be the problem? I'm using Fedora 11 64-bit version. Thank you.

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• Detect if PCRE was built without the --enable-unicode-properties or --enable-utf8 configuration switches

  - by Mark Baker

  I've a PHP library that uses a number of regular expressions featuring the \P expressions for multibyte strings, e.g. ((((?:\P{M}\p{M}*)+?)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d+) While this works on most builds, I've had a few reports of the regexp returning an error. Depending on Operating platform, the error messages from PCRE are: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset n or Compilation failed: support for \\P, \\p, and \\X has not been compiled at offset n I know that I can probably test a regexp at the beginning of my code that uses \P, and trap for a returned error, then use that response to set a compatibility flag and provide a degraded (non UTF-8) regexp without the \P within the main body of my code based on that compatibility flag; but I was wondering if there was any simpler way to identify whether PCRE had been built without the --enable-unicode-properties or --enable-utf8 configuration switches. PHP provides access to PCRE_VERSION constant, but that won't help identify whether \P support is enabled or not.

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• notice in Jquery Autocomplete

  - by Katherine

  what is the problem if i got this notice saying: Notice: Undefined index: 8 in C:\xampp\htdocs\projects\wesm\intranet\plugins\survey_manager\index.php on line 80 i'm using the jquery autocomplete.. here is some of my code for javascript in which the error occurred: <script type='text/javascript'> var intranetUsers = ["<?php echo $content[0].' ", "'; $num = 1; while($num != $getInranetUserCount['num']){ echo $content[$num].'" , "'; $num = $num + 1; } echo $content[$getInranetUserCount['num']]; ?>"]; </script> I've already use that code in some module and it works I don't know why it doesn't work this time.

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• How to generate a .po file?

  - by tobefound

  On Windows using WAMPserver (Apache, MySql, Php) I have the following: //test.php if (!defined('LC_MESSAGES')) define('LC_MESSAGES', 6); $lang = "sv"; putenv("LANG=$lang"); setlocale(LC_ALL, $lang); $domain = "messages"; bindtextdomain($domain, "./locale"); textdomain($domain); echo _("This is a string"); It works fine, i.e. it outputs "This is a string" which means I have gettext correctly setup up. But HOW in the world do I create a .po-file? I downloaded POEdit but I can't see how to make this happen with that software. ANy help is greatly appreciated!

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• Changing background images like this

  - by Azzyh

  If you guys check out this webpage: http://www2.scandvision.se/oresund10/ How have they done this background fade in fade out? When i check the source this <img id="wrapper-background" src="images/body-background-0.jpg" alt="Background" /> and i think theres some kind of script maybe php or js, or both, that every 5 sec changes the background: images/body-background-1.jpg images/body-background-2.jpg images/body-background-3.jpg and so on.. So how did they do this? an example would be great, as i want to learn how to do that. If i was going to do something like this i think i would only manage to do a script in php that randomize everytime you refresh. Thank you, this will expand my knowledge

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• APC not recommended for production?

  - by solomongaby

  I have started having problems with my VPS in the way that it would faill to serve the pages on all the websites. It just showed a blank page, or offered to download the php file ( luckily the code was not in the download file :) ). The server was still running, but this seemed to be a problem with PHP, since i could login into WHM. If i did a apache restart, the sites would work again. After some talks with the server support they told me this is a problem with the APC extension witch they considered to be old and not recommended for production servers. So they removed it for now, to see if the same kind of fails would continue to appear. I haven't read anywhere that APC could have some problems or that its not always recommended to use, quite the contrary ... everywhere people are saying to always use it. The APC extension was installed ssh and is the latest version. Edit: They also dont recomend MemCache and say that a more reliable extension would be eAccelerator

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• Illegal offset type

  - by BFTrick

  Hello, I am having trouble uploading a file through php. I check the file type at the beginning of the process and I get an error. This is the error I am getting: Warning: Illegal offset type in /balblabla/DBfunctions.inc.php on line 183 This is the printed out $_FILES var Array ( [Picture] = Array ( [name] = JPG.jpg [type] = image/jpeg [tmp_name] = /tmp/phpHlrNY8 [error] = 0 [size] = 192221 ) ) Here is the segment of code I am using that is giving me issues: function checkFile($file, $type) { if( in_array($_FILES[$file]['type'], $type) ){ // <--- LINE 183 return true; }//if return false; } // end checkFile() This is the line of code that calls the function if( checkFile( $_FILES['Picture'], array("image/jpeg") ) == true ){ //do stuff }// end if I have used this piece of code on dozens of websites on my own server so i am guessing that this is some different configuration option. How can i modify my code so that it works on this different server?

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• How do I create a user history?

  - by ggfan

  I want to create a user history function that allows shows users what they done. ex: commented on an ad, posted an ad, voted on an ad, etc. How exactly do I do this? I was thinking about... in my site, when they log in it stores their user_id ($_SESSION['user_id']) so I guess whenever an user posts an ad(postad.php), comments(comment.php), I would just store in a database table "userhistory" what they did based on whenever or not their user_id was activate. When they comment, I store the user_id in the comment dbc table, so I'll also store it in the "userhistory" table. And then I would just queries all the rows in the dbc for the user to show it Any steps/improvements I can make? :)

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• Symfony sfPHPExcelPlugin in Linux

  - by Tere

  Hi! I'm using the PHPExcel plugin for Symfony 1.4 (sfPHPExcelPlugin) on Ubuntu (using PHP 5.10), with this code for saving the file that I am writing: // Save Excel 2007 file echo date('H:i:s') . " Write to Excel2007 format\n"; $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007'); $objWriter->save(str_replace('.php', '.xlsx', __FILE__)); // Echo done echo date('H:i:s') . " Done writing file.\r\n"; I am sure that the execution is reaching this part of the code, because the echo messages are shown but I am not downloading the Excel file! Could it be because I am trying it in Linux, not in Windows? Thank you!

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