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• PHP Regex Question

  - by oyerli

  Hi, I am developing an application using PHP but I am new to regular expressions, I could not find a solution to my problem. I want to replace all occurences of #word with a link, i have written a preg_match for this: $text=preg_replace('~#([\p{L}|\p{N}]+)~u', '<a href="/?aranan=$1">#$1</a>', $text); The problem is, this regular expression also matches the html character codes like &#039; and gives corrupt output. I need to exclude the words starting with &# but i do not know how to do that using regular expressions. Thanks for your help.

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• No progress bar in IE8 while executing the download using PHP

  - by user292918

  I am giving downloads to user using the PHP code below but when user downloading they are not able to see the progressbar in IE8 when clicked on save button. Please solve this. Thanks in advance. header('Content-Description: Songsbin.com - Downlaod'); header('Content-type: audio/mpeg'); header('Content-Disposition: attachment; filename='.$filename1); header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Length: '.filesize($file)); ob_clean(); flush(); readfile($file);

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• PHP Framework Benefits / Downfalls

  - by Lizard

  I have been a PHP developer for about 10 years now and until about a month ago I have never used a framework. The framework I am now using due to an existing codebase is cakePHP 1.2 I can see certain benefits of the frameworks with the basic helpers like default layouts. I can deffinately seen the benefits of MVC keeping the logic sperate etc. But the query building just seems to be bloated. Is this expected? Am I likely to be able to build better queries than the framework could build? I just feel I could get my apps running better without a framework. What are your thoughts?

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• PHP: Loop through text file and isolate lines which a specific "starting point"

  - by Mestika

  Hi everyone, I’m trying to reduce some editing time within some textfiles where there approximately are 10.000 lines of text, but I only need around 200 or some. The text file relies on a almost specific pattern but it deviates from time to time but my “focus” in order to select the right line to keep is, that the line always starts with: z3455 and then have a variable afterwards, e.g.: z3455 http://url.com/data1/data1.1/data1.3/ (342kb) I have an algorithm to capture the URL and its content but now I need some way to loop through the text file, deleting all lines except does that starts with z3455 and then “push” them together so they are listed underneath each other. I’ve tried different approaches for this in PHP but can’t seem to find a correct function. I can “isolate” a specific line number but when it deviates I can’t use this approach fully. I hope that someone can help me, either by providing the code or knocking me in the right direction to how I’ll solve this problem. Thanks in advance Sincerely - Mestika

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• Ruby function similar to parse_str in php?

  - by jolierouge

  Hi, I need to parse a string like this: a[metadata][][name]=dont|do|this&a[name]=Hello World&a[metadata][][value]=i|really|mean it CGI::parse gives me this: {"a[name]"=["Hello World"], "a[metadata][][name]"=["dont|do|this"], "a[metadata][][value]"=["i|really|mean it"]} I would like something like what PHP does with parse_str, which when given the same string does this: Array ( [a] => Array ( [metadata] => Array ( [0] => Array ( [name] => dont|do|this ) [1] => Array ( [value] => i|really|mean it ) ) [name] => Hello World )) Any help would be awesome. Thanks!

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• PHP 2-way encryption: I need to store passwords that can be retrieved

  - by gAMBOOKa

  I am creating an application that will store passwords, which the user can retrieve and see. The passwords are for a hardware device, so checking against hashes are out of the question. What I need to know is: How do I encrypt and decrypt a password in PHP? What is the safest algorithm to encrypt the passwords with? Where do I store the private key? Instead of storing the private key, is it a good idea to require users to enter the private key any time they need a password decrypted? (Users of this application can be trusted) In what ways can the password be stolen and decrypted? What do I need to be aware of?

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• PHP MYSQL query result "RANKING"

  - by fkessler

  Hi, I need to get a list of users Ranking by points and from my command line (MySQL) is was able to generate the necessary code: SET @rank=0; SELECT rank, iduser, pontos FROM ( SELECT @rank:=@rank+1 AS rank, SUM(points.points) AS pontos, points.iduser, users.name, users.idade FROM points INNER JOIN users ON (points.iduser = users.id) WHERE (users.idade >= %s) AND (users.idade <= %s) GROUP BY points.iduser ORDER BY pontos DESC) AS totals WHERE iduser = %s The problem is that I need this to run on AMFPHP and I´ve tested it in a test PHP file and seems that I can´t use the SET and SELECT in the same "mysql_query". I´ve looked and some used to mysql_query to do this (I´ve tested it and it works), but can I trust this to be effective and error free? Does it work like in MySQL transactions or setting the @rank in a seperated query may cause unexpected results?

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• php mail function

  - by Yang

  <?php $sendto = "[email protected]"; $subject = "email confirmation"; // Subject $message = "the body of the email - this email is to confirm etc..."; # send the email mail($sendto, $subject, $message); ?> this is the code that i wrote to test mail function on localhost. i have ran the script in browser for several times and still dun receive any email in my mail box. Do I need any additional configurations? thx in advance!

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• How to maipulate the shell output in php

  - by Mirage

  I am trying to write php script which does some shell functions like reporting. So i am starting with diskusage report I want in following format drive path ------------total-size --------free-space Nothing else My script is $output = shell_exec('df -h -T'); echo "<pre>$output</pre>"; and its ouput is like below Filesystem Type Size Used Avail Use% Mounted on /dev/sda6 ext3 92G 6.6G 81G 8% / none devtmpfs 3.9G 216K 3.9G 1% /dev none tmpfs 4.0G 176K 4.0G 1% /dev/shm none tmpfs 4.0G 1.1M 4.0G 1% /var/run none tmpfs 4.0G 0 4.0G 0% /var/lock none tmpfs 4.0G 0 4.0G 0% /lib/init/rw /dev/sdb1 ext3 459G 232G 204G 54% /media/Server /dev/sdb2 fuseblk 466G 254G 212G 55% /media/BACKUPS /dev/sda5 fuseblk 738G 243G 495G 33% /media/virtual_machines How can i convert that ouput into my forn\matted output

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• login to any site using curl in php

  - by user550265

  login to a website using curl php I have tried $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://www.sitename.com"); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookies.txt'); curl_setopt($ch, CURLOPT_COOKIEFILE, 'cookies.txt'); curl_setopt($ch, CURLOPT_POSTFIELDS, true); curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC ); curl_setopt($ch, CURLOPT_USERPWD, "username:password"); curl_exec($ch); curl_close($ch); ? But this does not log in .

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• PHP list of specific files in a directory

  - by Jessica

  The following code will list all the file in a directy <?php if ($handle = opendir('.')) { while (false !== ($file = readdir($handle))) { if ($file != "." && $file != "..") { $thelist .= '<LI><a href="'.$file.'">'.$file.'</a>'; } } closedir($handle); } ?> <P>List of files:</p> <UL> <P><?=$thelist?></p> </UL> While this is very simple code it does it job. I'm now looking for a way to list ONLY file that have .xml (or .XML) at the end, how do I do that? Code is appreciate, thanks! jess

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• PHP - white screen of death!

  - by Industrial

  Hi everyone, After debugging a codeigniter app that were installed into a new development environment, I have started to freak out when seeing white screens with nothing more available. I have been able to solve each and every one of the errors that have caused this, but it have taken seriously way too long time. PHP error_reporting(E_ALL) & display_errors", 1 is set as well. I even installed Xdebug in hope of getting more output, but no. My logging settings are also working, but nothing is written to the log. Is there a way to get something informative printed out instead of a complete white screen? It would certainly shorten my time spent on solving the eventual errors that causes this? Thanks a lot! Reference: http://stackoverflow.com/questions/2149321/why-does-code-igniter-give-me-a-white-page

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• Ternary operators and variable reassignment in PHP

  - by TomcatExodus

  I've perused the questions on ternary operators vs. if/else structures, and while I understand that under normal circumstances there is no performance loss/gain in using ternary operators over if/else structures, I've not seen any mention of this situation. Language specific to PHP (but any language agnostic details are welcome) does the interpreter reassign values in situations like this: $foo = 'bar' $foo = strlen($foo) > 3 ? substr($foo, 0, 3) : $foo; Since this would evaluate to $foo = $foo; is this inefficient, or does the interpreter simply overlook/discard this evaluation? On a side note, what about: !defined('SECURE') ? exit : null;

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• Php/Javascript to make a browser game?

  - by user335932

  I've been on and off intrested in making a text based browser game. I have been turned off by the idea because of the daunting amount of things to learn. PHP (or another sever side scripting language) Javascript HTML MySql And the fact of severs and apache.. Can I just pay for web hosting and by-pass having to set-up apache? Also how long will it take me to learn all thoose things well enough to start work on my game? Should I just stick with Flash and then C# for XNA?

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• PHP: How to read email attachment

  - by ozzwanted

  What I have: A person daily send to me an email, which has a zip'ed XML attachment. What I do: I save that attachment, unpack it and import via XML importerer to my web site. What I need: Automatic script, what I can automatically forward my email to ex.: [email protected] and read that attachment via some php file in my website, which maybe will be activated daily via server cronjob. Is it possible to code this? And maybe someone has any pre-coded scripts. Thanks for answers.

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• how to create a backup of a file once the current one is changed using php

  - by SkyLar

  I'm playing around with file info in php and i'm wondering if its possible to do the following: once a file is changed get the contents of the file, then put the contents of the file into another file. kinda like a "backup system" so once you make a change to the file a duplicate one is created, each change to the original file overwrites the duplicate one. i'm trying to do this with storing the time in the db, is this possible? i don't know what there is to test against? more clearly, i would like to do the following: execute a script once a specifeced file is changed on the server

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• Reading PDF metadata in PHP

  - by Mark Trapp

  I'm trying to read metadata attached to arbitrary PDFs: title, author, subject, and keywords. Is there a PHP library, preferably open-source, that can read PDF metadata? If so, or if there isn't, how would one use the library (or lack thereof) to extract the metadata? To be clear, I'm not interested in creating or modifying PDFs or their metadata, and I don't care about the PDF bodies. I've looked at a number of libraries, including FPDF (which everyone seems to recommend), but it appears only to be for PDF creation, not metadata extraction.

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• Making links clickable from comments in php

  - by neat

  im trying to create functions that will give my chat clickable links.... here are the functions i've created <?php //makes links starting with http clickable function makehttpclickable($text){ return preg_replace('!(((f|ht)tp://)[-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)!i', '<a href="$1">$1</a>', $text); } //makes links starting www. http clickable function clickywww($www){ return preg_replace('!((www)[-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)!i', '<a href="$1">$1</a>', $www); } /function that gives me an error! function clickydotcom($noob){ return preg_replace('!([-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)(\.com)!i'.'!([-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)(\.com)!f', '<a href="$1.com$f">$1.com</a>', $noob); } I've been getting an unkown modifier error. Warning: preg_replace() [function.preg-replace]: Unknown modifier '!' So Anyways any help would be nice on how i can make all types of links clickable

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• Organizing PHP includes in your development environment

  - by Andrew Heath

  I'm auditing my site design based on the excellent Essential PHP Security by Chris Shiflett. One of the recommendations I'd like to adopt is moving all possible files out of webroot, this includes includes. Doing so on my shared host is simple enough, but I'm wondering how people handle this on their development testbeds? Currently I've got an XAMPP installation configured so that localhost/mysite/ matches up with D:\mysite\ in which includes are stored at D:\mysite\includes\ In order to keep include paths accurate, I'm guess I need to replicate the server's path on my local disk? Something like D:\mysite\public_html\ Is there a better way?

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• PHP find array keys

  - by Jens Törnell

  In PHP I have an array that looks like this: $array[0]['width'] = '100'; $array[0]['height'] = '200'; $array[2]['width'] = '150'; $array[2]['height'] = '250'; I don't know how many items there are in the array. Some items can be deleted which explains the missing [1] key. I want to add a new item after this, like this: $array[]['width'] = '300'; $array[]['height'] = '500'; However the code above don't work, because it adds a new key for each row. It should be the same for the two rows above. A clever way to solve it? An alternative solution would be to find the last key. I failed trying the 'end' function.

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• PHP Get images from a UL list

  - by benjamin shrimpton

  I have a long UL list and each LI contains an image tag, dynamically generated from SLideshowPro Director. I need to get the widths of ALL the images inside the UL to use in a CSS width calculation. I have been able to get the image width for the first item, but not all. My PHP is pretty limited, but do I have to make this list into an ARRAY first to allow me to get all the widths? And how do i do that?? These images contain very long id's generated by the CMS, so reading through a directory is not possible, as the images in cache bare not relation to the file names that are output to the HTML page. It has to all be done from the content that's sent to the page. Or could I even use JQuery to do this??

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• PHP regular expression subpattern behaviour

  - by codecowboy

  I want to match both the src and title attributes of an image tag: pattern: <img [^>]*src=["|\']([^"|\']+["|\'])|title=["|\']([^"|\']+) target: <img src="http://someurl.jpg" class="quiz_caption" title="Caption goes here!"> This pattern gives me one unwanted match, title="content", and the match I actually want which is the value between the quotes after the word 'title', i.e 'content'. So, my matches are: <img src="http://someurl.jpg http://someurl.jpg title="Caption goes here!" Caption goes here! Is there a way to avoid the third of these matches? I'm using PCRE in PHP 5.2.x

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• php class basic question

  - by Ross

  hi <?php class myClass { var $input; var $output; function myClass($input) { $output = 'You entered: ' . $input; return $output; } } $test = new myClass; echo $test->myClass(123); ?> this works, but returns this warning: Warning: Missing argument 1 for myClass::myClass() I read in to this, and seems that the constructor is expecting a value, so by adding: function myClass($input='') the warning is removed, but this seems so unnecessary? could someone enlighten me as to why it's required to define a value to prevent that warning? thanks for any pointers

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• {textarea} smarty php

  - by Kyle Sevenoaks

  Hi, further to a previous question, I have this code: {textarea onblur="if(this.value=='') this.value='Skriv her';" onfocus="if(this.value=='Skriv her') this.value='';"} And I want the output to be <textarea onblur="if(this.value=='') this.value='Skriv her';" onfocus="if(this.value=='Skriv her') this.value='';">Write here!</textarea> I tried [/textarea} but it didn't work in my template file. Is it possible to make this in smarty/php? Thanks :)

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• PHP: documentElemnt->childNodes warning

  - by jun

  $xml = file_get_contents(example.com); $dom = new DomDocument(); $dom->loadXML($xml); $items = $dom->documentElement; foreach($items->childNodes as $item) { $childs = $item->childNodes; foreach($childs as $i) { echo $i->nodeValue . "<br />"; } } Now I get this warning in every 2nd foreach: Warning: Invalid argument supplied for foreach() in file_example.php on line 14 Please help guys. Thanks!

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