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• What is the use of mysql_rollback() function in PHP?

  - by OM The Eternity

  What is the use of mysql_rollback() function in PHP? How is it used? please explain me with some example, PS: Please Do not give me link to the php.net or, mysql site, I dont need AUTHOR language to understand it, I need the Developer way to understand... I hope u understand... Thanks in advance. UPDATE if i have Updated something in a tanle can i Reset the previous value using this function?

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• how to check a domain is alredy taken or get the information about that domian using php?

  - by coderex

  How can i write a program in php to get the domain information of an existing domain or a domain name is already taken..?? like informations using php?

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• How important is it to unset variables in PHP?

  - by dd0x

  I am somewhat new to PHP and I am wondering: How important is it to unset variables in PHP? I know in languages like C we free the allocated memory to prevent leaks, etc. By using unset on variables when I am done with them, will this significantly increase performance of my applications? Also is there a benchmark anywhere that compares difference between using unset and not using unset?

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• Variable scope difference between PHP and C: block scope is not exactly the same?

  - by powerboy

  The following PHP code will output 3. function main() { if (1) { $i = 3; } echo $i; } main(); But the following C code will raise a compile error. void main() { if (1) { int i = 3; } printf("%d", i); } So variables in PHP are not strictly block-scoped?

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• Is is possible to run Coldfusion & PHP on the same server and website ?

  - by terrymod

  I would like to be able to port some new site pages over to PHP using the same db as in the coldfusion site. Is it possible to have PHP run pages in say other directory and go back and forth ? Many thanks for your reply. Terry

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• Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard)?

  - by matt

  What is the easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard)? I'd prefer to use any built in versions before resorting to downloading from the PHP or MySQL websites. I'm comfortable at the command line in Terminal.

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• What are PHP's advantages over Ruby on Rails and Django?

  - by flybywire

  PHP was the undisputed king of easy webapp development, until Ruby on Rails, Django, and other dynamic programming frameworks appeared. What are, in your opinion, PHP's strengths against the newcomers?

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• I changed index.html to index.php and now the page doesn't load!

  - by janoChen

  It gives me the following message: The requested URL /cgi-sys/php-cgiwrap/gcadmin/php5.cgi/projects/globalcolleage/index.php was not found on this server. Any suggestions? (I'm using WAMP)

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• What are the differences between mod_php and cgi php script?

  - by Simone Margaritelli

  What are the differences between mod_php and cgi php script? I mean, why it's better (is it?) to use mod_php instead simple php scripts, running them as CGIs? Thanks

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• How would you show a file with CURL? [PHP]

  - by Kyle

  There is an epic lack of php CURL love on the internet for beginners like me. I was wondering how to use CURL to download & display an ICS file (They're plain text to me...) in my php code. Unless Fopen is 1,000 times easier, I'd like to stick with CURL for this one.

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• How to show progress bar in PHP where i have to upload the file size of of 100MB? without APC

  - by OM The Eternity

  How to show progress bar in PHP where i have to upload the file size of of 100MB? I cannot have APC installed. I am allowed to do so.. Help me out to get it done... We have PHP 5.2+

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• Send <p> tags and simple HTML formatting through a form via PHP.

  - by Jonathan

  Hi, so I need the user to write a review about an article or book and send it to a DB via PHP but with some basic HTML formatting.. I mean, I have a form , when the user writes the review, the data is sent but without any kind of formatting, If the user want to write in a new line, the text is sent like plain text, I need to get also those new line breaks and simple stuff. I know how to use PHP and DB connection, I just need to know how to get those new line breakes and stuff..

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• What is faster: write PHP code using "functions" or writing it as pure script?

  - by Ole Jak

  What is faster: writing PHP code using functions or writing it as pure script? So, as I see it Apache or any other server will create from PHP code using functions a pure script... I mean we had: function foo($a, $b){ return ($a + $b); echo foo(4, 5)} and Apache will turn it into something like: echo (5 + 4) Or will it?

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• Tool for converting subset of PHP code into Java/Scala/Groovy?

  - by Alex R

  Do any exist? Ideally it would also come with a library of basic PHP functions. I have a bunch of simple PHP scripts (no extensions, no fancy dynamic hacks, etc) I'd like to convert to Java... It would be great if a tool could do 80% of the work while I do the other 20%.

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• Shud the PHP files that do processing/ validation of data called by AJAX be put in 'include' folder

  - by Arup

  My Question is suppose I have a form which needs validation through AJAX. The AJAX is sending data to to a file called do_ajax_validation.php Now should I put this file in 'include' folder and name it do_ajax_validation.inc.php and bar it from direct access of the user. Or shud i put it in the directory in which the original form resides??

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• where should I do the calculating stuff,PHP or Mysql?

  - by SpawnCxy

  I've been doing a lot of calculating stuff nowadays.Usually I prefer to do this job in PHP rather than Mysql though I know PHP is not good at this cuz I thought mysql may be worse.But I found some performance problem :some pages were loaded so slowly that 30 seconds' timelimit is not enough for them!So I wonder which is the better practice to do the calculations,and any princles for that?Suggestions would be appreciated.

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• How can I force email programs to show images send in html email using php?

  - by zeckdude

  I am sending an html email with php and it includes an image. Some email programs, such as gMail have a 'display images' button. The user has to click on that in order for the images in the email to show up. Is there any way I can force email programs to show images that are sent within html emails generated by php?

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• Is there a way to get a MySQL table defined encoding in PHP ?

  - by Brad

  I see i can get a MySQL database defined encoding in PHP using the function mysql_client_encoding(...), but is there a way to get a MySQL table defined encoding in PHP ?

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• Is it possible to pass an array as a command line argument to a PHP script?

  - by Manos Dilaverakis

  I'm maintaining a PHP library that is responsible for fetching and storing incoming data (POST, GET, command line arguments, etc). I've just fixed a bug that would not allow it to fetch array variables from POST and GET and I'm wondering whether this is also applicable to the part that deals with the command line. Can you pass an array as a command line argument to PHP?

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• how to scan a LAN for live hosts using PHP and SNMP?

  - by aag

  I would like to have a quick script listing all active hosts in a LAN, and I am a bit lost. From other posts I figured that this can be done most effectively by polling the DHCP server (in my case a Lancom router) using SNMP. However, I am not familiar with the SNMP commands in PHP. Is snmpwalk() the correct function? Can I get snmpwalk() or any other php function to return an array that contains a list of all live hosts?

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• Php, passing data between pages without using the url?

  - by terabytest

  I have a php page that has a form that asks for an e-mail. When you press the send button, it gets to another php page, which gets the form data and does its stuff. I need to then be able to go back to the old page (the one that contained the form) and give it some data so that it will be able to change itself and say "You've sent your e-mail successfully, and will not display the form. How do I do it?

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• How do I set up PHP profiling on Eclipse?

  - by kalengi

  I have set up Eclipse PDT on Galileo. I'm able to run and debug PHP sites that are set up on XAMPP. The thing is, I want to profile one of the sites, but cannot for the life of me figure out how to set this up. There is a profiling menu when I right-click the PHP project, but no indication of how to proceed from there. BTW I'm using Xdebug as the debug engine.

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• Supporting twitter-like user page urls with apache/php?

  - by user246114

  Hi, I'm using php on apache with mysql. I want to let users enter a url into their browser to see a custom user page for themselves, just like twitter does. For example, they could enter urls like: www.mysite.com/johndoe www.mysite.com/janedoe and see that user's page. How could I do this with php and apache? I don't want to create a folder on disk for every user like above, I'd instead kind of like to catch the url and generate the page on the fly for them, Thanks

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• how to install apc for php on mac osx mamp?

  - by michael

  i am running a mac with mamp and mamp pro. how do i check if i have apc enabled and if its not enabled or not installed how do i install it? thanks i am trying to get the apc upload loader to work that i found online and it gets stuck on NAN% when im uploading. this is a link: http://www.haughin.com/2007/10/23/php-upload-progress-with-php-52-apc/

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• PHP script sample for iPhone hi-score/survey uploading?

  - by Horace Ho

  I am looking for a PHP example/tutorial which can accept hi-scores/survey upload from an iPhone. Hopefully, the PHP script: accepts POST, in additional to GET works over SSL (https) connects to MySQL In addition, it'd best the iPhone can get a session from the server and submit the session value along with the hi-score. Thanks

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