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  • Does PHP Try Catch freezes the page?

    - by serhio
    I have the following code function displaySomeFeeds($urls, $keywords = NULL) { error_reporting(E_ALL ^ E_WARNING ^ E_NOTICE); echo "<ul>"; foreach ($urls as $url) { try { displayFeed($url, $keywords, NULL, false); } catch(Exception $e) { //echo "Error when obtaining news from '$url': " .$e->getMessage(); } } echo "</ul>"; } When I use it with Try Catch, the pages loads very, very, very slow. When I use it without Try/Catch the pages loads normally, but with error messages. Could I ammeliorate the time of response with Try/Catch?

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  • php date() function displaying wrong time

    - by ladaghini
    I'm building a site with wordpress, and when I use the date() function on an otherwise empty file, it shows the right date. However, if I use it in a file that includes other wordpress files, the time is displayed as GMT time, so the date is off. If anyone can figure out how I can use date function without interruption from the wordpress methods, I'd appreciated it.

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  • Array Undefined index error (notice) in PHP

    - by Alex
    I have this function: function coin_matrix($test, $revs) { $coin = array(); for ($i = 0; $i < count($test); $i++) { foreach ($revs as $j => $rev) { foreach ($revs as $k => $rev) { if ($j != $k && $test[$i][$j] != null && $test[$i][$k] != null) { $coin[$test[$i][$j]][$test[$i][$k]] += 1 / ($some_var - 1); } } } } return $coin; } where $test = array( array('3'=>'1','5'=>'1'), array('3'=>'2','5'=>'2'), array('3'=>'1','5'=>'2'), array('3'=>'1','5'=>'1')); and $revs = array('3'=>'A','5'=>'B'); the problem is that when I run it, it returns these errors (notices): Notice: Undefined index: 1 at line 10 Notice: Undefined index: 1 at line 10 Notice: Undefined index: 2 at line 10 Notice: Undefined index: 2 at line 10 Notice: Undefined index: 2 at line 10 Notice: Undefined index: 1 at line 10 which is this line: $coin[$test[$i][$j]][$test[$i][$k]] += 1 / ($some_var - 1); Any suggestion is greatly appreciated! Thanks!

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  • Login problem with php

    - by shinod
    I want to prevent multiple log in with same log in credentials simultaneously. So I made a column login_status and set it to 1 when some one logging in and change to 0 when logging out besides I set session after successful logged in. If user won't click on log out(in case of user close tab or because of some network problem) it doesn't update database and then one can't use that log in credentials again. So I use a ajax call to set current time stamp in database with related log in credentials and it is updated in each 2 minutes if user not navigate from that page. Then if some one attempts to log in with same log in credentials, it will check these time stamp if column login_status is 1, then if the time stamp is older than 3 minutes it allows the log in.Then it solving that problem. But the new problem is if user closes the tab or browser window and after 3 minutes one can log in with same log in credentials from somewhere and if the previous user open that page automatically it will log in as session is already set. How can I prevent this.

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  • Best practice PHP Form Action

    - by Rob
    Hi there i've built a new script (from scratch not a CMS) and i've done alot of work on reducing memory usage and the time it takes for the page to be displayed (caching HTML etc) There's one thing that i'm not sure about though. Take a simple example of an article with a comments section. If the comment form posts to another page that then redirects back to the article page I won't have the problem of people clicking refresh and resending the information. However if I do it that way, I have to load up my script twice use twice as much memory and it takes twice as long whilst i'm still only displaying the page once. Here's an example from my load log. The first load of the article is from the cache, the second rebuilds the page after the comment is posted. Example 1 0 queries using 650856 bytes of memory in 0.018667 - domain.com/article/1/my_article.html 9 queries using 1325723 bytes of memory in 0.075825 - domain.com/article/1/my_article/newcomment.html 0 queries using 650856 bytes of memory in 0.029449 - domain.com/article/1/my_article.html Example 2 0 queries using 650856 bytes of memory in 0.023526 - domain.com/article/1/my_article.html 9 queries using 1659096 bytes of memory in 0.060032 - domain.com/article/1/my_article.html Obviously the time fluctuates so you can't really compare that. But as you can see with the first method I use more memory and it takes longer to load. BUT the first method avoides the refresh problem. Does anyone have any suggestions for the best approach or for alternative ways to avoid the extra load (admittadely minimal but i'd still like to avoid it) whilst also avoiding the refresh problem?

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  • Generating a table from a PHP array

    - by robertdd
    Hey, I'm not sure how difficult this but I have an array and would like to put it into and html table. I need to have two array strings per row, so if this were the array: $array1 = array( 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'four', 5 => "five", 6 => 'six', ); And I need the html table to look like this: | one | two | |three| four | |five | six | Thanks!

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  • PHP Sort a multidimensional array by element containing date

    - by user270797
    I have an array such as: Array ( [0] => Array ( [id] => 2 [type] => comment [text] => hey [datetime] => 2010-05-15 11:29:45 ) [1] => Array ( [id] => 3 [type] => status [text] => oi [datetime] => 2010-05-26 15:59:53 ) [2] => Array ( [id] => 4 [type] => status [text] => yeww [datetime] => 2010-05-26 16:04:24 ) ) Can anyone suggest a way to sort/order this based on the datetime element?

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  • PHP Increasing write to page speed.

    - by Frederico
    I'm currently writing out xml and have done the following: header ("content-type: text/xml"); header ("content-length: ".strlen($xml)); $xml being the xml to be written out. I'm near about 1.8 megs of text (which I found via firebug), it seems as the writing is taking more time than the script to run.. is there a way to increase this write speed? Thank you in advance.

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  • Does this PHP function protect against SQL injection?

    - by George Edison
    I have this function I'm using and I want to be sure that it fully protects against SQL injection attacks: function MakeSafeForQuery($string) { // replace all of the quote // chars by their escape sequence $ret = str_replace("\\","\\\\",$string); $ret = str_replace("'","\\'",$ret); $ret = str_replace("\"","\\\"",$ret); return $ret; } Am I missing anything serious?

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  • Looking for a specific featured content slider script - PHP (and jQuery, I think)

    - by Sootah
    I was looking around a few days ago for a new script to replace the featured content area on my website's current implementation. Randomly, I can across a gorgeous one that I have not been able to find again because, like an idiot, I didn't bookmark the page. It's difficult to explain what the slider looked like, so I'll try to make a crude ASCII image of it: When you would hover your mouse over one of the "title" areas that were visible, the rest of the tags would slide to the right and show the one you were hovering on. You could also hover the mouse over a tab on the right and the tabs would collapse left for the same effect. I don't know if this particular effect has a specific name to it, but for the life of me I cannot find this script again, or anything even like it. It was gorgeous. I've resorted to combing through my browser history, but there is sooooo much of it, and I cannot remember what day I saw it. So, if any of you know either what the name of this effect is, or even BETTER, what script I'm talking about, I would REAAAAALLLLYYY appreciate a link! Thanks as always! -Sootah

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  • PHP, create_function or evalute it at runtime?

    - by blow
    Hi all, i have a class with some method that depend by one parameter. What is the best way to write this method? Example: First way class Test{ var $code; function Test($type){ if($type=="A"){ $this->code=create_function(/*some args and some code*/); } else if($type=="B"){ $this->code=create_function(/*some args and some code*/); } } function use(/*some args*/){ return call_user_func($this->code,/*some args*/); } } Second way class Test{ var $type; function Test($type){ $this->type=$type; } function use(/*some args*/){ if($this->type=="A"){ //some code } else if($this->type=="B"){ //some code } } } $test=new Test("A"); $test->use(); Which way you would choose? Thanks.

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  • PHP Compare Two Arrays?

    - by Sjwdavies
    I'm trying to compare two entries in a database, so when a user makes a change, I can fetch both database entries and compare them to see what the user changed, so I would have an output similar to: User changed $fieldName from $originalValue to $newValue I've looked into this and came accross array_diff but it doesn't give me the output format I need. Before I go ahead and write a function that does this, and returns it as a nice $mtextFormatDifferenceString, can anyone point me in the direction of a solution that already does this? I don't want to re-invent the wheel..

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  • Access/Download server files, not in site root, with PHP

    - by user271619
    Usually I save documents (images, mpegs, excel, word docs, etc...) for my friends or family on my website's root, inside a directory called /files/ or something similar. Nothing too uncommon. But, I have been playing with user session control, and allowing users to upload files to the dedicated /files/ directory. (the file names are saved in a db, with that user's ID) But, that means other people could try to guess and locate other people's files. I do randomize the file names, upon upload. And I stop the apache from displaying the /files/ directory content. However, I'd like to start saving the files outside of the website's root. This way it can't be accessible via the browser. I don't have any code to show, but I didn't want to even start on this endeavor if it's not able to be accomplished. I did find this snippet that shows how to display an image, from outside your website root: $file = $_GET['file']; $fileDir = '/path/to/files/'; if (file_exists($fileDir . $file)) { // Note: You should probably do some more checks // on the filetype, size, etc. $contents = file_get_contents($fileDir . $file); // Note: You should probably implement some kind // of check on filetype header('Content-type: image/jpeg'); echo $contents; } ? Maybe I can use this for any file type, but has anyone heard of a better way to allow users (logged in) to access their files from online, but not letting other users has similar access?

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  • sanitation script in php for login credentials...

    - by Matt
    What I am looking for currently is a simple, basic, login credentials sanitation script. I understand that I make a function to do so and I have one...but all it does right now is strip tags... am I doomed to use replace? or is there a way i can just remove all special characters and spaces and limit it to only letters and numbers...then as for the password limit it to only letters and numbers exclimation points, periods, and other special chars that cannot affect my SQL query. Please help :/ Thanks, Matt

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  • Help with writing a php code that repeats itself per array value

    - by Mohammad
    Hi I'm using Closure Compiler to compress and join a few JavaScript files the syntax is something like this; $c = new PhpClosure(); $c->add("JavaScriptA.js") ->add("JavaScriptB.js") ->write(); How could I make it systematically add more files from an array lets say for each array element in $file = array('JavaScriptA.js','JavaScriptB.js','JavaScriptC.js',..) it would execute the following code $c = new PhpClosure(); $c->add("JavaScriptA.js") ->add("JavaScriptB.js") ->add("JavaScriptC.js") ->add ... ->write(); Thank you so much in advance!

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  • php problem with function

    - by moustafa
    i have this function drawBoard(){ global $cBoard; $R = "<img src=rp.gif>"; //Red piece $B = "<img src=bp.gif>"; //black piece $ES = "<img src=blank.gif>"; // legal square image $IS = "<img src=blank1.gif>"; //illegal square image $cBoard = array( array($IS, $R, $IS, $R, $IS, $R, $IS, $R), array($R, $IS, $R, $IS, $R, $IS, $R, $IS), array($IS, $R, $IS, $R, $IS, $R, $IS, $R), array($ES, $IS, $ES, $IS, $ES, $IS, $ES, $IS), array($IS, $ES, $IS, $ES, $IS, $ES, $IS, $ES), array($B, $IS, $B, $IS, $B, $IS, $B, $IS), array($IS, $B, $IS, $B, $IS, $B, $IS, $B), array($B, $IS, $B, $IS, $B, $IS, $B, $IS) ); echo "<table border='3' width='200'>n"; foreach ($cBoard as $row){ switch($row){ case "8": $row = 0; break; case "7": $row = 1; break; case "6": $row = 2; break; case "5": $row = 3; break; case "4": $row = 4; break; case "3": $row = 5; break; case "2": $row = 6; break; case "1": $row = 7; break; } echo "<tr>n"; foreach ($row as $piece){ echo "<td>"; echo "$piece "; echo "</td>n"; switch($Piece){ case "A": $piece = 0; break; case "B": $piece = 1; break; case "C": $piece = 2; break; case "D": $piece = 3; break; case "E": $piece = 4; break; case "F": $piece = 5; break; case "G": $piece = 6; break; case "H": $piece = 7; break; } } } echo "</tr>n"; echo "</table>n"; } now im trying to parse a file into the array with color codes how i can do that

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  • PHP Database connection practice

    - by Phill Pafford
    I have a script that connects to multiple databases (Oracle, MySQL and MSSQL), each database connection might not be used each time the script runs but all could be used in a single script execution. My question is, "Is it better to connect to all the databases once in the beginning of the script even though all the connections might not be used. Or is it better to connect to them as needed, the only catch is that I would need to have the connection call in a loop (so the database connection would be new for X amount of times in the loop). Yeah Example Code #1: // Connections at the beginning of the script $dbh_oracle = connect2db(); $dbh_mysql = connect2db(); $dbh_mssql = connect2db(); for ($i=1; $i<=5; $i++) { // NOTE: might not use all the connections $rs = queryDb($query,$dbh_*); // $dbh can be any of the 3 connections } Yeah Example Code #2: // Connections in the loop for ($i=1; $i<=5; $i++) { // NOTE: Would use all the connections but connecting multiple times $dbh_oracle = connect2db(); $dbh_mysql = connect2db(); $dbh_mssql = connect2db(); $rs_oracle = queryDb($query,$dbh_oracle); $rs_mysql = queryDb($query,$dbh_mysql); $rs_mssql = queryDb($query,$dbh_mssql); } now I know you could use a persistent connection but would that be one connection open for each database in the loop as well? Like mysql_pconnect(), mssql_pconnect() and adodb for Oracle persistent connection method. I know that persistent connection can also be resource hogs and as I'm looking for best performance/practice.

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  • How to Ignore certain tags and replace texts in PHP

    - by Aakash Chakravarthy
    Hello, I have a variable like $content = "Lorem Ipsum is simply <b>dummy text of the printing</b> and typesetting industry. Lorem Ipsum has been the industry's <i>standard dummy text</i> ever since the 1500s <string>javascriptFunc();</script>" ; when i use str_replace('a', '', $content); all the 'a's get removed. But the 'a's within the <script> tag should not be removed. or is there any way to replace text other than this method Please help .

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  • Overriding Doctrine_Record (sfDoctrineRecord) instance methods in Doctrine PHP Symfony

    - by notbrain
    My background is in Propel, so I was hoping it would be a simple thing to override a magical getter in a Doctrine_Record (sfDoctrineRecord), but I'm getting either a Segfault or the override method is simply ignored in favor of the one in the superclass. https://gist.github.com/697008eaf4d7b606286a class FaqCategory extends BaseFaqCategory { public function __toString() { return $this->getCategory(); } // doesn't work // override getDisplayName to fall back to category name if getDisplayName doesn't exist public function getDisplayName() { // also tried parent::getDisplayName() but got segfault(!) if(isset($this->display_name)) { $display_name = $this->display_name; } else { $display_name = $this->category; } return $display_name; } } What is the proper Doctrine way to extend/override methods on an instance of Doctrine_Record (via sfDoctrineRecord extends Doctrine_Record)? This has to be doable...or should I be looking at the Template documentation? Thanks, Brian

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  • How to prefix a positive number with plus sign in PHP

    - by user318466
    I need to design a function to return negative numbers unchanged but should add a + sign at the start of the number if its already no present. Example: Input Output ---------------- +1 +1 1 +1 -1 -1 It will get only numeric input. function formatNum($num) { # something here..perhaps a regex? } This function is going to be called several times in echo/print so the quicker the better.

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  • PHP Doctrine: generation problem?

    - by ropstah
    I'm generating models from my Mysql db. It generates a foreign key collection properly, but not the other way around... Is this supposed to be 'by-design', or am i doing something wrong? pseudo code alert User: UserId pk LocationId fk //User location Location LocationId pk UserId fk //Location owner Generated code: class User() { hasMany('Location') //for locations owned by the user //BUT NOT THIS ONE: //hasOne('Location_1') //for current location of user } class Location() { hasMany('User') //for users which are on that location //AND NOT THIS ONE //hasOne('User_1') //for location owner }

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  • PHP - How can I lookup the Zip Code using the City & State

    - by John Himmelman
    I need to lookup the Zip Code for a list of addresses (which include the city/state). Is there a master zip code list for download (that is free) or are there any web services that will return the full postage info for an address. Ie, lookup query: 386 Bread & Cheese Hollow Rd, Northport, NY ==== 386 Bread And Cheese Hollow Rd, Northport, NY 11768 Thanks!

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