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Found 8 results

  1. Hi all ! Here is a small piece of code that I wrote to Select from a DB:- $query = "SELECT Id, User, Pass, FROM $table WHERE User = ?"; $stmt = $con->prepare($query); $stmt->bind_param('s',$user); $stmt->execute(); $stmt->bind_result($db_id,$db_user,$db_pw); $stmt->fetch(); ... Each of these statements warrant that they be checked for failure and for possible exceptions since each of these can fail. However such similar blocks of code may be present at 100's of places in a large application and so checking for failure after each line of code would be make it a very lengthy & cumbersome procedure. I was wondering if there is a simpler, elegant way to handle these kind of failures or exceptions. And that's what I wish to ask. Thanks loads everyone.
  2. I make my share of programming design blunders, as many of you know from helping me debug a few, so I am hesitant to point fingers, but I just had an experience so horrible, with so many errors on a website owned by Snapfish (which should have some programming resources) that I had to write it up.
  3. Hello,recently, the company needed an PHP script to capture error,i try to use “set_error_handler”,but it can’t capture fatal error,like redeclare a function,then I try to change a way that use “register_shutdown_function”,but I found it that also unable to capture above mentioned errors at the end of the script. my php version is 7.0.1
  4. I have purchased a ad manager type script and have put so much work in to the site but i cannot get the cron file to execute properly due to errors. The makers of the script arent answering my emails so I am left to find the answer myself im hoping some experts can shine a light on this for me I have the cron running once daily as required the error messages are as follows: /home2/net2you/public_html/2xx.co.uk/include/CronStats.php: line 1: ?php: No such file or directory /home2/net2you/public_html/2xx.co.uk/include/CronStats.php: line 2: syntax error near unexpected token `;' /home2/net2you/public_html/2xx.co.uk/include/CronStats.php: line 2: `ob_start();' I have installed the script on two different hosts and get the exact same errors. any help would be much appriciated the contents of the cron file are below ______________________________________________ <?php ob_start(); ini_set("max_execution_time", 0); error_reporting(0); require_once("db_connection.php"); // hits table fix $ws = mysql_query("select pid from publishersinfo"); while($row = mysql_fetch_assoc($ws)){ $max = mysql_fetch_assoc(mysql_query("SELECT count(distinct ip) as distinct_hits, count(ip) as hits, date from hits where pub_id='$row[pid]' group by date order by hits desc, distinct_hits desc limit 1")); mysql_query("update publishersinfo set hits = '$max[hits]', distinct_hits = '$max[distinct_hits]' where pid = '$row[pid]' "); $country_clicks = mysql_query("select count(country) as clicks, country from hits where is_click = 1 and pub_id = '$row[pid]' GROUP BY country order by clicks desc"); mysql_query("delete from country_clicks where pid = '$row[pid]' "); while($rc = mysql_fetch_assoc($country_clicks)){ mysql_query("insert into country_clicks set clicks = '$rc[clicks]' , country = '$rc[country]', pid = '$row[pid]', updated = CURDATE() "); } } mysql_free_result($ws); // adv info $advertisement_ids = mysql_query("select adv_id from advertisersinfo"); while($ro = mysql_fetch_assoc($advertisement_ids)){ $clicksToday = mysql_result(mysql_query("select count(hit_id) from hits where adv_id = '$ro[adv_id]' and is_click='1' and is_sale='0' and `date` = CURDATE()"),0,0); $impressionsToday = mysql_result(mysql_query("select count(hit_id) from hits where adv_id = '$ro[adv_id]' and is_click='0' and is_sale='0' and `date` = CURDATE()"),0,0); $conversionsToday = mysql_result(mysql_query("select count(hit_id) from hits where adv_id = '$ro[adv_id]' and is_sale='1' and `date` = CURDATE()"),0,0); mysql_query("update advertisersinfo set clicksToday = $clicksToday, clicksTotal = (clicksTotal + $clicksToday), impressionsToday = $impressionsToday, impressionsTotal = (impressionsTotal + $impressionsToday), conversionsTotal = (conversionsTotal + $conversionsToday) where adv_id = '$ro[adv_id]' "); } mysql_free_result($advertisement_ids); // targeted_ads $cmp_ids = mysql_query("select cmp_id from adv_campaign"); while($ro = mysql_fetch_assoc($cmp_ids)){ $clicksToday = mysql_result(mysql_query("select count(hit_id) from hits where cmp_id = '$ro[cmp_id]' and is_click='1' and `date` = CURDATE()"),0,0); mysql_query("update adv_campaign set clicksToday = $clicksToday, clicksTotal = (clicksTotal + $clicksToday), remaining_budget = (remaining_budget - expense_today) where cmp_id = '$ro[cmp_id]' "); //camp_appeared $camp_appeared = mysql_query("select distinct publishersinfo.url, publishersinfo.pid from publishersinfo, hits where hits.cmp_id= '$ro[cmp_id]' and hits.pub_id=publishersinfo.pid order by hits.hit_id, hits.pub_id"); mysql_query("delete from camp_appeared where cmp_id= '$ro[cmp_id]' "); while($cmp = mysql_fetch_assoc($camp_appeared)){ mysql_query(" insert into camp_appeared set url = '$cmp', pid = '$cmp[pid]', cmp_id = '$ro[cmp_id]', updated = curdate() "); } } mysql_free_result($cmp_ids); /* $as = mysql_query("select ad_id from publishers_adspaces"); while($row = @mysql_fetch_assoc($as)){ $max_one_day_clicks = mysql_result(mysql_query("SELECT count(hit_id) as total from hits where is_click=1 and ad_id='$row[ad_id]' group by date order by total desc limit 1"),0,0); mysql_query("update publishers_adspaces set hits = $max_one_day_clicks "); } mysql_free_result($as); */ $users = mysql_query(" select uid from users where utype = 'pub+adv' "); while($r = mysql_fetch_assoc($users)){ $price = mysql_result(mysql_query("select sum(h.click_price) as price from publishersinfo pi inner join hits h on pi.pid = h.pub_id where pi.uid = '$r[uid]' and h.cmp_id <> 0 and h.date=curdate() and h.is_click=1 "),0,0); mysql_query("delete from pub_earningstoday where uid = '$r[uid]' "); mysql_query("insert into pub_earningstoday set updated = CURDATE(), uid = '$r[uid]', price = '$price' "); } ?>
  5. Hi I just finished this tutorial('http://www.startutorial.com/articles/view/php-crud-tutorial-part-3/) and everything was working fine until I decided to add last names to the application. I got everything working on all the other pages except the Update page. This is my php code. d = $_REQUEST['id']; } if ( null==$id ) { header("Location: index.php"); } if ( !empty($_POST)) { // keep track validation errors $nameError = null; $lastError = null; $emailError = null; $mobileError = null; // keep track post values $name = $_POST['name']; $last = $_POST['last']; $email = $_POST['email']; $mobile = $_POST['mobile']; // validate input $valid = true; if (empty($name)) { $nameError = 'Please enter Name'; $valid = false; } $valid = true; if (empty($last)) { $lastError = 'Please enter last name'; $valid = false; } if (empty($email)) { $emailError = 'Please enter Email Address'; $valid = false; } else if ( !filter_var($email,FILTER_VALIDATE_EMAIL) ) { $emailError = 'Please enter a valid Email Address'; $valid = false; } if (empty($mobile)) { $mobileError = 'Please enter Mobile Number'; $valid = false; } // update data if ($valid) { $pdo = Database::connect(); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $sql = "UPDATE customers set name = ?, last = ?, email = ?, mobile =? WHERE id = ?"; $q = $pdo->prepare($sql); $q->execute(array($name, $last,$email,$mobile,$id)); Database::disconnect(); header("Location: index.php"); } } else { $pdo = Database::connect(); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $sql = "SELECT * FROM customers where id = ?"; $q = $pdo->prepare($sql); $q->execute(array($id)); $data = $q->fetch(PDO::FETCH_ASSOC); $name = $data['name']; $last = $data['last']; $email = $data['email']; $mobile = $data['mobile']; Database::disconnect(); } ?> When I hit Update it is directing me to a white screen instead of the index.php page.
  6. I've just ported a system I wrote a few years back into PHP into a new environment that has PHP 7.1.4 instead of PHP 5.x. My programs used to work perfectly but are now throwing errors, many of which I've never seen before. I am not a fluent PHP programmer although I have programmed in a variety of languages, including Java, so I'm not new to programming by any means. I was reading a short tutorial about PHP error handling and they suggested writing an error-handling function and invoking it as follows: //Error handler function function customError($errno, $errstr, $errfile, $errline, $errcontext) { echo "<b>Error:</b> [$errno] $errstr<br>"; echo "<b>File/Line:</b> $errfile/$errline<br>"; //echo "<b>Error context:</b><br>"; //print_r($errcontext); echo "....Ending Program"; die(); } //Set error handler set_error_handler("customError",E_ALL); I did that and got this: Error: [8] Undefined index: report_layout File/Line: /storage/h13/139/1556139/public_html/SideTrekkedContributions.php/28 In the first line of that, am I correct in assuming that the [8] denotes the severity level of the error, specifically E_NOTICE, which is defined as "Run-time notices. The script found something that might be an error, but could also happen when running a script normally."? Or is the 8 uniquely associated with an "Undefined index" error in a world where every distinct error has a specific number associated with it, like 37 for division by zero and 412 for array index out of bounds? I think it must be the former and that there will be all kinds of errors that have the number 8 but my knowledge of PHP is sketchy so I want to be sure. Now, assuming I'm right and that 8 is the severity of the error, what should one normally do with E_NOTICE errors? Ideally, I'd like PHP not to display this message and I'd like to get rid of the message by doing whatever I need to do to prevent PHP from thinking there's anything wrong (as opposed to telling it not to show me errors below a certain severity). In this particular case, the line of code identified as the source of the error is this: switch($_POST['report_layout']) { I'm darned if I can see what's wrong with this. I never got an error of any kind about this code on the old system. But maybe the old system wanted to show me messages like this but had minor errors suppressed; I really don't know. I tried initializing that variable to null $report_layout = null; but that did NOT keep the error from appearing. I'm at a loss how to satisfy PHP that the variable has been appropriately initialized so it doesn't have to tell me that there's an undefined index. Can anyone enlighten me on the points I've raised?
  7. [Linux] PHP Notice: Undefined variable: connection in /var/www/html/popreport/functions.php on line 23 PHP Fatal error: Call to a member function query() on a non-object in /var/www/html/popreport/functions.php on line 23 The fuction output in the following program is called from another file called records records-board.php If you look at the program below you'll see that I did define $connection above line 23 in the file functions.php And for the second error I'm really not getting it because that same foreach loop was working fine with the exact same argument list when it was in the file records-board.php, but now that I've copied most of the code from records-board.php and placed it in functions.php all the sudden my program can't see the variable $connection and has a problem with my foreach loop on line 23. Again, both of those lines worked fine when they were in another file. functions.php <?php //session_start(); // open a DB connectiong $dbn = 'mysql:dbname=popcount;host=127.0.0.1'; $user = 'user'; $password = 'password'; try { $connection = new PDO($dbn, $user, $password); } catch (PDOException $e) { echo "Connection failed: " . $e->getMessage(); } $sql = "SELECT full_name, tdoc_number, race, facility FROM inmate_board WHERE type = 'COURT'"; function output() { foreach($connection->query($sql) as $row) { echo "<tr><td>$row[full_name]</td></tr>"; } } ?> records-board.php <? include 'functions.php'; php output(); ?> Any ideas?
  8. Hi All, I have touched upon exceptions earlier. However I am still not sure if I am handling them correctly. try { ... ... ... }catch(Exception $e){ if($prod === true) // In production mode { header("Location: exceptions/errors.php") exit(); } if($dev === true) // In development mode { echo $e->getMessage(); // & if needed log the errors / exceptions into a file. exit(); } } I would like to ask if using the function header() to load the errors.php page is a good and safe practice. Or is there a better way to load the errors.php. If I load the errors page as in the snippet, do I also have to log the errors myself in some files or is php going to do that in any case. Any improvements or suggestions are welcome. Thanks all ! P.S. Googling exceptions gives loads of information but seldom does it touch the issue of loading an errors page when an exception occurs.
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