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  1. Dear Friends, I am alot before doing the mixed content of php and HTML in single variable in PHP.. I could not get the data even though there is not SYNTAX error.. please look my code and advise $htmlcontent .=" <tr> <td colspan=\"8\">".$details."></td> </tr>"; for($k=0;$k<count($reg_years[$details]);$k++) { $year = (int)($reg_years[$details][$k]); $singlecount[$year] = array_filter($result[$details],function($details1) use ($year){ return ($details1['reg_year'] == $year && $details1['bench_type'] == 1); }); $divisioncount[$year] = array_filter($result[$details],function($details2) use ($year){ return ($details2['reg_year'] == $year && $details2['bench_type'] == 2); }); $fullcount[$year] = array_filter($result[$details],function($details3) use ($year){ return ($details3['reg_year'] == $year && $details3['bench_type'] >= 3); }); $rpcount[$year] = array_filter($result[$details],function($rp) use ($year){ return ($rp['reg_year'] == $year && $rp['bench_type'] == 'RP'); }); $mjccount[$year] = array_filter($result[$details],function($mjc) use ($year){ return ($mjc['reg_year'] == $year && $mjc['bench_type'] == 'MJC'); }); $cocount[$year] = array_filter($result[$details],function($co) use ($year){ return ($co['reg_year'] == $year && $co['bench_type'] == 'X'); }); $total = 0; $total = (int)(count($singlecount[$year])+count($divisioncount[$year])+count($fullcount[$year])+count($rpcount[$year])+count($mjccount[$year])+count($cocount[$year])); $htmlcontent .=" <tr> <td>".$year."</td> <td align=\"center\"> if(count($singlecount[$year])>0) { echo (count($singlecount[$year])); } else { echo "-"; } </td> <td align=\"center\"> if(count($divisioncount[$year])>0) { ".count($divisioncount[$year])." } else { "-" } </td> <td align=\"center\"> if (count($fullcount[$year]) > 0) { echo (count($fullcount[$year])); } else { echo "-"; } </td > < td align =\"center\"> if(count($rpcount[$year])>0) { echo (count($rpcount[$year])); } else { echo " - "; } </td> <td align=\"center\"> if(count($mjccount[$year])>0) { echo (count($mjccount[$year])); } else { echo " - "; } </td> <td align=\"center\"> if(count($cocount[$year])>0) { echo (count($cocount[$year])); } else { echo " - "; } </td> <td align=\"center\"> echo $total; </td> </tr>"; } } $htmlcontent .= "</tbody></table>"; $mpdf = new \Mpdf\Mpdf(); $mpdf->WriteHTML($htmlcontent); $mpdf->Output(); Waiting for FAST reply Thanks Anes
  2. Hi, I am making a shopping cart and I have a problem. My code to remove the items from the cart works except for the first added item; I can delete all but that one. This is the form to remove the items. <form class="col-md-12" method="POST" action="" id="formremove"> <input type="hidden" name="id_prod" value="<?php echo $row['id_producto'] ?>"> <input type="submit" name="btn-remove" class="btn btn-info btn-sm" id="remove" value="X"> </form> And this is the php if ($_POST['btn-remove']) { $id_user=$_SESSION['id_user']; $id_prod = $_POST['id_prod']; $SQLREM = "DELETE FROM `carrito` WHERE id_user='$id_user' and id_producto='$id_prod';"; if (mysqli_query($conn, $SQLREM)) { echo '<script> alert("Ok"); window.location="/CBA/WAUW/cart.php"</script>'; } else { echo '<script> alert("Error"); window.location="/CBA/WAUW/cart.php"</script>'; }; } The connection to the database works fine; as I said before, it deletes everything but the first item added. I would be very grateful for any help.
  3. is there any way to put function compress pdf file size in this code . Because when user upload big file size , it will get error . So , i'm looking code that can auto resize the pdf file in php $targetDir7= "folder/pda-semakan/bm/"; if(isset($_FILES['bmjulai'])){ $fileName7= $_FILES['bmjulai']['name']; $targetFilePath7 = $targetDir7 . $fileName7; $move8=move_uploaded_file($_FILES["bmjulai"]["tmp_name"], $targetFilePath7); }
  4. Hi guys, I am trying to calculate hours a person works by calculating the values of text fields in a form. However, when I load the page I get "Class 'times_counter' not found. Here is the calculation code" if(isset($_POST['calculate']) != ""){ class times_counter { private $hou = 0; private $min = 0; private $sec = 0; private $totaltime = '00:00:00'; public function __construct($times){ if(is_array($times)){ $length = sizeof($times); for($x=0; $x <= $length; $x++){ $split = explode(":", @$times[$x]); $this->hou += @$split[0]; $this->min += @$split[1]; $this->sec += @$split[2]; } $seconds = $this->sec % 60; $minutes = $this->sec / 60; $minutes = (integer)$minutes; $minutes += $this->min; $hours = $minutes / 60; $minutes = $minutes % 60; $hours = (integer)$hours; $hours += $this->hou % 24; $this->totaltime = $hours.":".$minutes; } } public function get_total_time(){ return $this->totaltime; } } $times = array( $mondiff->format('%H:%I'), $tudiff->format('%H:%I'), $weddiff->format('%H:%I'), $thdiff->format('%H:%I'), $fridiff->format('%H:%I'), $satdiff->format('%H:%I'), $sundiff->format('%H:%I'), ); $counter = new times_counter($times); I had this on an old project, which I no longer have but it worked then. Any ideas?
  5. files that upload during insert/submit form was gone , only files upload during the update remain , is the way query for update multiple files is wrong ? $targetDir1= "folder/pda-semakan/ic/"; if(isset($_FILES['ic'])){ $fileName1 = $_FILES['ic']['name']; $targetFilePath1 = $targetDir1 . $fileName1; //$main_tmp2 = $_FILES['ic']['tmp_name']; $move2 =move_uploaded_file($_FILES["ic"]["tmp_name"], $targetFilePath1); } $targetDir2= "folder/pda-semakan/sijil_lahir/"; if(isset($_FILES['sijilkelahiran'])){ $fileName2 = $_FILES['sijilkelahiran']['name']; $targetFilePath2 = $targetDir2 . $fileName2; $move3 =move_uploaded_file($_FILES["sijilkelahiran"]["tmp_name"], $targetFilePath2); } $targetDir3= "folder/pda-semakan/sijil_spm/"; if(isset($_FILES['sijilspm'])){ $fileName3 = $_FILES['sijilspm']['name']; $targetFilePath3 = $targetDir3 . $fileName3; $move4 =move_uploaded_file($_FILES["sijilspm"]["tmp_name"], $targetFilePath3); } $query1=("UPDATE semakan_dokumen set student_id='$noMatrik', email= '$stdEmail', surat_tawaran='$fileName', ic='$fileName1',sijil_lahir='$fileName2',sijil_spm= '$fileName3' where email= '$stdEmail'");
  6. Hi guys, I am trying to display tour information in fullcalendar but nothing is happening and no errors. Here is the php code from fetch-tours.php <?php require_once "config.php"; $json = array(); $sqlQuery = "SELECT * FROM jobs ORDER BY id"; $result = mysqli_query($con, $sqlQuery); $eventArray = array(); while ($row = mysqli_fetch_assoc($result)) { $title = isset($row['name']); $start = isset($row['dep_date']); $end = isset($row['ret_date']); $eventsArray['title'] = $title; $eventsArray['start'] = $start; $eventsArray['end'] = $end; array_push($eventArray, $row); } mysqli_free_result($result); mysqli_close($con); echo json_encode($eventArray); ?> And here is the Javascript that displays the calendar: <script type="text/javascript"> $(document).ready(function() { var date = new Date(); var d = date.getDate(); var m = date.getMonth(); var y = date.getFullYear(); $('#calendar').fullCalendar( { header: { left: 'prev,next today', center: 'title', right: 'month,basicWeek,basicDay' }, editable :true, events: "includes/fetch-tours.php", }); }) </script> The calendar displays fine but just no data. Any help is greatly appreciated. Cheers, Dan
  7. i have error where my code should update existing data where id exist, it get updated ..but the others data is disappeared .only the data updated is remained $sql1 ="select*from semakan_dokumen where email='$stdEmail'"; $sqlsearch1 = mysqli_query($dbconfig,$sql1); $resultcount1 = mysqli_num_rows($sqlsearch1); if($resultcount1 > 0){ $query1=("UPDATE semakan_dokumen set student_id='$noMatrik', email= '$stdEmail', surat_tawaran='$fileName', ic='$fileName1',sijil_lahir='$fileName2',sijil_spm= '$fileName3',sijil_sekolah= '$fileName4', sijil_dip= '$fileName5',sej_julai='$fileName6',bm_julai='$fileName7',muet='$fileName8', mid1='$fileName9',yuran= '$fileName10',umpa_bend1= '$fileName11',umpa_bend2='$fileName12',bpkp='$fileName13', penaja='$fileName14',kesihatan= '$fileName15', jhepa='$fileName16' where email= '$stdEmail' "); }else{ //filezip $query1 = "INSERT INTO semakan_dokumen (email,surat_tawaran,ic,sijil_lahir,sijil_spm,sijil_sekolah,sijil_dip,sej_julai,bm_julai,muet,mid1,yuran,umpa_bend1,umpa_bend2,bpkp,penaja,kesihatan,jhepa) VALUES ('$stdEmail','$fileName','$fileName1','$fileName2','$fileName3','$fileName4','$fileName5','$fileName6','$fileName7','$fileName8','$fileName9','$fileName10','$fileName11','$fileName12','$fileName13','$fileName14','$fileName15','$fileName16')"; }
  8. I am a university student. What are the sample programs we can do with php? Can those who have php codes share about this subject? Thanks in advance
  9. Hello. What I have created is a menu with links. The links will display content on the page from a database. I have the links with id displayed, but nothing is displayed when the link is clicks. I have seen isset() and $_GET used but not a form and I don't know how to change the code to allow the display of data using ID. My site is local, and I am using XAMPP. The database connections work. This is my code: // query $query = "SELECT * FROM topmenu ORDER BY id ASC"; $row = $PDO->query($query); .... <table class="topmenu"> <tr> <td> <h1 class="siteName">site title</h1> </td> <?php foreach($row as $data) { ?> <td><a href="index.php?id=<?php echo $data['id']; ?>"> <?php echo $data['menuheader']; ?> </a></td> <?php } ?> </tr> </table> As a beginner, I would appreciate any help, no criticism of my code please! Also, is there a way of hiding the id in the url? Thanks in advance.
  10. 1. Create a denomination program. See the example below. Input amount: 3897 1000: 3 500: 1 200: 1 100: 1 50: 1 20: 2 10:0 5:1 1: 2 2. Create a program that will compute the ideal age of a man's wife. See the example below. Input Man's Age: 27 Formula: Man'sAge/2 + 7 Your ideal Wife's age is: 20 Please send the Output as reply and please include the codes
  11. I am trying to get rows from MYSQL table (attachment) based on: Select last five rows where status_id = 1 Select last two rows where status_id = 2 *I did use UNION with two SELECT queries to get whole data as one array. Now on PHP side... I have first block for rows having status_id 1 so if there are rows having status_id 1 then PHP should display the data otherwise if there is no row having status_id 1 then PHP should print NO DATA only once. I have second block for rows having status_id 2 so if there are rows having status_id 2 then PHP should display the data otherwise if there is no row having status_id 2 then PHP should print NO DATA only once. I did use foreach loop then within loop i did use if condition to check status_id of rows. it works fine when i omit NO DATA part but when i add it. the result shows both rows and NO DATA in first block when there are one or more rows having status_id 1 but no row having status_id 2 Which made me believe that i was doing it the wrong way. Please guide me *PS: I know its PHP section the thread should be related to PHP problem but... is it right to use UNION in query? or should i post a new thread in relevant section for guidance?
  12. I need to create the unique SKU (Stock Keeping Unit) name for each products mixed with product.id,product.name,product.category and product.brand. There is no problem to do it, i.e.: SKU for a product with id=13, name=Bio Clean green and category=INSECTS KILLERS brand=HARPIC becomes : BI-IKHA0013 This is how I tried: $inm = "Bio Clean green500ml"; $cnm = "INSECTS KILLERS"; $bnm = "HARPIC "; echo SKU_gen($inm, $cnm,$bnm,20).'<br>'; function SKU_gen($pname, $cat=null, $brand=null, $id = null, $l = 2){ $results = ''; // empty string $str1 = array_shift(explode(' ',$pname)); $str1 = strtoupper(substr($str1, 0, $l)); $str2 = array_shift(explode(' ',$cat)); $str2 = strtoupper(substr($str2, 0, $l)); $str3 = array_shift(explode(' ',$brand)); $str3 = strtoupper(substr($str3, 0, $l)); $id = str_pad($id , 4, 0, STR_PAD_LEFT); $results .= "{$str1}-{$str2}{$str3}{$id}"; return $results; } But this function is not working as expected when category of brand values become NULL.
  13. I have an index.php file which includes my form and code to move the user's uploaded file to s3. My HTML form calls a js function sendEmails() which makes an AJAX request to another php script dbSystem() to validate the emails input and add it to a database. Everything is working except that the php code in my index.php file (at the very bottom) does not execute. It's supposed to execute when the user uploads a file and presses submit but it doesn't go into the if statement. I tried putting the $fileName = basename($_FILES["fileName"]["name"]) statement before the if statement but I get an undefined index error. I put my a comment in my code to show which if statement I am talking about. This is my HTML code in index.php: <form action="javascript:void(0)" method="POST" id="files" enctype="multipart/form-data"> <label class="col-md-4 col-form-label text-md-right">Select File: <span class="text-danger">*</span></label> <input type="file" id="userFile" name="fileName" style="cursor: pointer; max-width: 170px;" onchange="enableBtn()"> <label class="col-md-4 col-form-label text-md-right">Authorized Users: <span class="text-danger">*</span></label> <input placeholder="Enter e-mail(s) here..." id="req" autocomplete="off"/> <button id="submitBtn" name="submitBtn" class="<?php echo SUBMIT_BUTTON_STYLE; ?>" onclick="return sendEmails()" disabled>Submit</button> </form> This is my php code in index.php: <?php $conn = new mysqli($servername, $username, $password, $db); $sql = "SELECT sender_id, sender_email, receiver_emails, receiver_ids, file_name from filedrop_logs"; $result = mysqli_query($conn, $sql); if ($result) { echo "<div class='outputDiv'>"; echo "<table id='sharedOthers'>"; echo "<thead><tr class='headings'>"; echo "<th class='files'>Files</th>"; echo "<th class='users'>Users</th>"; echo "</tr></thead>"; while ($row = mysqli_fetch_assoc($result)) { $receiverEmails = $row['receiver_emails']; $fileName = $row['file_name']; echo "<tbody id='bodyOthers'>"; echo "<tr id='rowOthers'>"; echo "<td>$fileName<br>"; $objects = getListofObjects('FileDrop'); foreach ($objects as $object) { $file = $object['Key']; $splits = explode('/', $file); if (end($splits) !== '') { $presignedUrl = getPresignedUrlForPrivateFile($object['Key'], '+20 minutes'); $link = '<a href="'.$presignedUrl.'">Download</a>'; echo $link; } } echo "&nbsp;&nbsp;&nbsp;&nbsp;<a href=''>Delete</a></td>"; echo "<td>$receiverEmails</td>"; echo "</tr></tbody>"; } echo "</table></div>"; } ?> <?php //the if statement below doesn't execute if(isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES["fileName"])) { $fileName = basename($_FILES["fileName"]["name"]); $error = $_FILES["fileName"]["error"]; $tmpName = $_FILES["fileName"]["tmp_name"]; if (isset(fileName) && $fileName != '' && $tmpName != '' && sys_get_temp_dir()) { $separator = DIRECTORY_SEPARATOR; $newDir = sys_get_temp_dir() . $separator . "FileDrop" . microtime(true); if (!file_exists($newDir)) { mkdir($newDir, 0777, true); // creates temp FileDrop directory $tempFilePath = $newDir . $separator . $fileName; // creates temp file inside FileDrop directory if (move_uploaded_file($tmpName, $tempFilePath)) { // moves file to tmp folder $s3FileName = "FileDrop" . substr($newDir, 4) . $separator . $fileName; $result = putFileToS3($s3FileName, $tempFilePath, 'public-read'); deleteDir($newDir); } } } } ?> This is my js code in case you want to see it: function sendEmails() { var fileData = $('#userFile').prop('files')[0]; var formData = new FormData(); formData.append('tags', JSON.stringify(tags)); formData.append('fileName', fileData); $.ajax({ type: "POST", url: "../FileDrop/dbSystem.php", processData: false, contentType: false, data: formData, success: function(result) { result = JSON.parse(result); if (result.validity === "valid emails") { location.reload(); resetInputs(); //IMPORTANT $(".outputDiv").show(); } else { var tagsBrackets = result.emails.toString().replace(/[\[\]']+/g,''); var tagsQuotes = tagsBrackets.replace(/['"]+/g, ''); var tagsInvalid = tagsQuotes.replace(/,/g, ", "); $('#alertModal').modal({show:true}); document.getElementById('invalid').textContent = tagsInvalid; } } }); return false; } I've been stuck on this for so long, so I'd really appreciate the help!!
  14. Data from category table: +-------------+-----------+---------------------+-------------+ | category_id | parent_id | name | description | +-------------+-----------+---------------------+-------------+ | 1 | NULL | Products | NULL | | 2 | 1 | Computers | NULL | | 3 | 2 | Laptops | NULL | | 4 | 2 | Desktop Computers | NULL | | 5 | 2 | Tab PCs | NULL | | 6 | 2 | CRT Monitors | NULL | | 7 | 2 | LCD Monitors | NULL | | 8 | 2 | LED Monitors | NULL | | 9 | 1 | Mobile Phones | NULL | | 10 | 9 | LG Phone | NULL | | 11 | 9 | Anroid Phone | NULL | | 12 | 9 | Windows Mobile | NULL | | 13 | 9 | iPad | NULL | | 14 | 9 | Samsung Galaxy | NULL | | 15 | 1 | Digital Cameras | NULL | | 16 | 1 | Printers and Toners | NULL | | 17 | 14 | Galaxy S Series | NULL | | 18 | 14 | Galaxy Note Series | NULL | | 19 | 14 | Galaxy Z Fold2 5G | NULL | | 20 | 17 | Phone 1 | NULL | | 21 | 17 | Phone 2 | NULL | +-------------+-----------+---------------------+-------------+ Just think, I hava an array of category ids for delete like this: ids = [9,17,20]; Now I want to delete the category related to the above array and update the relevant child category. According to this example, the parent_id of the category_id 10,11,12,13,14 should be 1 The parent_id in category 21 should be updated to 14. In another case, suppose I delete category 9, 18 then all the relevant sub and sub sub categories should be updated as parant category. I hope somebody may help me out. Thank you
  15. I am having trouble adding sub-topics to my home made blog system running under PHP-Fusion CMS with PHPver7.4.16 with cgi/fcgi interface and MySQL5.7.34-log. Here are 2 images: Here is the module that produces the output. <?php echo "<div class='col-sm-12'>\n"; echo "<table width='100%' border='0'><tr><td><span class='hdspan2'><b>".$locale['gb_810']."</b></span></td></tr></table>\n"; echo "<table align='center' width='80%' border='0'>\n"; $result = dbquery("SELECT * FROM ".DB_GRIMS_BLOG_TOPICS." ORDER BY topic_order ASC"); if (dbrows($result)) { $cnt = 0; while($data = dbarray($result)) { $id = $data['topic_id']; $title = $data['topic_title']; $sub = $data['topic_sub']; $result1 = dbquery("SELECT * FROM ".DB_GRIMS_BLOG_POST." WHERE topic_id='$id'"); $num_rows = dbrows($result1); if ($sub == '1') { echo "<tr><td width='15'></td><td><a class='lnk-side' href='".BASEDIR."grims_blog/topics_page.php?topic_id=".$id."'>$title</a><span style='font-size:11px;color:white;'>&nbsp;[$num_rows posts]</span></td></tr>\n"; } else { echo "<tr><td colspan='2'><a class='lnk-side' href='".BASEDIR."grims_blog/topics_page.php?topic_id=".$id."'>$title</a><span style='font-size:11px;color:white;'>&nbsp;[$num_rows posts]</span></td></tr>\n"; } } $cnt++; } echo "</table><p></div>\n"; ?> The topic_order field is a new field I added to get the desired output but it's not standard procedure and is in fact not really workable in a live setting because I would have to use php_myadmin to modify it everytime I added or deleted a topic or sub-topic. So the bottom line is that I can't figure out anyway to code the script to always show the sub-topic right under the associated main topic and all in order. If I add a sub-topic to one of the upper main topics it shows up at the bottom; hence the addition of the topic_order field. So right now it's basically a mess and I can't figure out how to code everything to work correctly. I have searched the forums here as well as several other sites and cannot get any clues.
  16. After several attempts, I now have data displayed on my index.php page, but the data is from all rows. Luckily I have two rows. The page also has a menu - with two links. What I would like help with is: How to display index.php with just the data for it - i.e. home page data. How to display data if either the ‘home’ or ‘copyright’ links are clicked. I understand you can use $_GET[‘id’], and isset(), but I don’t know how to do that. I include the full html page code: <?php // database connection require_once('admin/databasecon.php'); ?> <!DOCTYPE html> <html> <?php include 'includes/headsection.php'; ?> <body> <?php // displaying data $table = "pages"; // table $sqli = "SELECT * FROM $table ORDER BY id ASC"; $result = $conn->query($sqli); ?> <!-- topMenu --> <table id="topMenu"> <tr> <td><h1 class="siteName">Scarab Beetle</h1></td> <?php if ($result = mysqli_query($conn, $sqli)) { while($row = $result->fetch_assoc()) { echo "<td class='navItem'>" . "<a href=index.php>" . $row["menuheader"] . "</a>" . "</td>"; } } ?> </tr> </table> <!-- topMenu end --> <!-- timeline menu --> Menu goes here <!-- timeline menu end --> <!-- page title --> <?php if ($result = mysqli_query($conn, $sqli)) { while($row = $result->fetch_assoc()) { echo "<h1 class='centered'>" . $row["pageheader"] . "</h1>"; } } ?> <hr> <!-- page content --> <?php if ($result = mysqli_query($conn, $sqli)) { while($row = $result->fetch_assoc()) { echo $row["pagetext"]; } } ?> <hr> <div class="clear"></div> <!-- footer content --> <?php include 'includes/footersection.php'; ?> <!-- footer content end --> </body> </html> Any help to achieve what I want will be appreciated. Thank you.
  17. Hi Everyone I am having a few issues with my website. I have developed in on my xampp local host and it works ok but when I upload the files and try to renew a membership using stripe I get the following messages. Warning: session_start(): Cannot start session when headers already sent in /customers/a/d/f/mywebsite.co.uk/httpd.www/mywebsite/inc/settings.php on line 2 Warning: Cannot modify header information - headers already sent by (output started at /customers/a/d/f/mywebsite.co.uk/httpd.www/mywebsite/procedures/payments/charge.php:1) in /customers/a/d/f/mywebsite.co.uk/httpd.www/mywebsite/procedures/payments/charge.php on line 141 I have some includes that appear on every page. This is the bootstrap.php file. This file holds the settings.php which connects to my database and other function files. In this settings page I call the session_start() php function and then connect to my database. I call the bootstrap.php file on every page to there for call the session_start() on every page. I am using sessions alot so is this the right thing to do? I have attached the renew_membership payment page which holds the form. The user fills out the payment page and the form data gets sent to a script called charge.php which uses the stripe objects to make the payment. I then want to do a redirect to the paymentSuccess.php page to output to the user that the payment was made successfully. This is where the issues arrise. I have split the charge file into 3 screen shots so it is more readable. Hope someone can help me. Thanks a lot David
  18. I am trying to populate a custom field called "Customer Type" current user role. The custom field is displayed on my checkout page. I tried the below in my functions.php of my child theme and thought it would work but it does nothing. Can anyone tell me what I might be doing wrong? $user = wp_get_current_user(); function onboarding_update_fields( $fields = array() ) { $fields['customertype'] = $user; return $fields; } add_filter( 'woocommerce_checkout_fields', 'onboarding_update_fields' );
  19. I'd love to use anonymous placeholders on my ecommerce site project. I am writing half with php and half with golang. On the three examples below, when run, gives the following exception, " Error: Call to a member function execute() on string. " I tried it with a decimal too. Thanks in advance. $stmt = $dbo->prepare = ("SELECT * FROM products WHERE ProductName = ?"); //this one calls exception $stmt->execute(); $stmt = $dbo->prepare = ("SELECT * FROM products WHERE ProductName = ?"); //this one calls exception $stmt->bindParam(1, $productID, PDO::PARAM_INT); $stmt->execute(); $stmt = $dbo->prepare = ("SELECT * FROM products WHERE ProductName = ?"); //this one calls exception $stmt->bindValue(1, $productID, PDO::PARAM_INT); $stmt->execute(); Here is the rest of the code : <?php $filename = ""; $keyword1 = $_GET['keyword']; $titleOfSelectedDropDown = $_GET['val1']; $fileID = ""; $imageID = "a"; $displayID = ""; $keyword1 = "test"; $titleOfSelectedDropDown = "cc"; $host = 'localhost'; $user = 'root'; $pass = ''; $database = 'ecommerce'; $options = array( PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_EMULATE_PREPARES => false ); $gKeyword1 = ""; $gKeyword2 = ""; $gKeyword3 = ""; $key1ID = ""; $key2ID = ""; $key3ID = ""; $string1 = "<center><h1><u>Search Results</u><h1></center></p>"; $dbo = new PDO("mysql:host=$host;dbname=$database", $user, $pass, $options); $stmt = $dbo->prepare = ("SELECT * FROM products WHERE ProductName = ?"); $test = "1"; $stmt->execute([ $test ]);
  20. Hi all, I am trying to get data from MySQL to display in a html table in TCPDF but it is only displaying the ID. $accom = '<h3>Accommodation:</h3> <table cellpadding="1" cellspacing="1" border="1" style="text-align:center;"> <tr> <th><strong>Organisation</strong></th> <th><strong>Contact</strong></th> <th><strong>Phone</strong></th> </tr> <tbody> <tr>'. $id = $_GET['id']; $location = $row['location']; $sql = "SELECT * FROM tours WHERE id = $id"; $result = $con->query($sql); if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { '<td>'.$location.'</td> <td>David</td> <td>0412345678</td> </tbody>'; } } '</tr> </table>'; Anyone got any ideas?
  21. Hello! I found this code from github. https://github.com/gburtini/Learning-Library-for-PHP and I want to know if its possible to add variables to it and what changes needed to be done to the whole script. My first guess is the variables are $xs and $ys I want replace them and add two more. The whole code is here: <?php require_once 'function.php'; function ll_nn_predict($xs, $ys, $row, $k) { $distances = ll_nearestNeighbors($xs, $row); $distances = array_slice($distances, 0, $k); $predictions = array(); foreach($distances as $neighbor=>$distance) { $predictions[$ys[$neighbor]]++; } asort($predictions); return $predictions; } function ll_nearestNeighbors($xs, $row) { $testPoint = $xs[$row]; $distances = _ll_distances_to_point($xs, $testPoint); return $distances; } function _ll_distances_to_point($xs, $x) { $distances = array(); foreach($xs as $index=>$xi) { $distances[$index] = ll_euclidean_distance($xi, $x); } asort($distances); array_shift($distances); return $distances; } and the function.php that is required is this: <?php function ll_transpose($rows) { $columns = array(); for($i=0;$i<count($rows);$i++) { for($k = 0; $k<count($rows[$i]); $k++) { $columns[$k][$i] = $rows[$i][$k]; } } return $columns; } function ll_mean($array) { return array_sum($array)/($array); } function ll_variance($array) { $mean = ll_mean($array); $sum_difference = 0; $n = count($array); for($i=0; $i<$n; $i++) { $sum_difference += pow(($array[$i] - $mean),2); } $variance = $sum_difference / $n; return $variance; } function ll_euclidean_distance($a, $b) { if(count($a) != count($b)) return false; $distance = 0; for($i=0;$i<count($a);$i++) { $distance += pow($a[$i] - $b[$i], 2); } return sqrt($distance); } I just want to know where is the variables in those 2 scripts and add more as I'm not well versed in using PHP. Thank you!
  22. The $a variable contains the news text. The $link variable contains a link to the page with the full text of this news. Need to write the abbreviated text of the news in the $b variable according to the rules: - crop up to 180 characters - assign an ellipsis - make the last 2 words and ellipsis a link to the full text of the news.
  23. Hi everyone. Please help me please. I'm just learning PHP. There was a task, I completed it, but they sent a response that it needs to be modified. You need to make changes: "When saving data, you need to take into account the keys of the new data and the data stored in the database(file), if the value with the key in the database(file) already exists, then you need to replace its value with a new one." and "The FileBox and DbBox classes should be implemented in such a way that you can not create more than one instance of each of the classes." Googled and came across what i need to apply the singleton pattern. <?php interface Box { public function setData($key, $value); public function getData($key); public function save(); public function load(); } abstract class BoxAbstract implements Box { protected $data = []; public function setData($key, $value) { $this->data[$key] = $value; } public function getData($key) { return $this->data[$key] ?? null; } public abstract function save(); public abstract function load(); } class FileBox extends BoxAbstract { private $file; public function __construct($file) { $this->file = $file; } public function save() { file_put_contents($this->file, serialize($this->data)); } public function load() { $this->data = unserialize(file_get_contents($this->file)); } } class DbBox extends BoxAbstract { private $pdo; public function __construct(\PDO $pdo) { $this->pdo = $pdo; } public function save() { $this->pdo->beginTransaction(); $this->pdo->query('DELETE FROM box')->execute(); $stmt = $this->pdo->prepare("INSERT INTO box (key, value) VALUES (:key, :value)"); foreach ($this->data as $key => $value) { $stmt->bindValue(':key', $key); $stmt->bindValue(':value', serialize($value)); $stmt->execute(); } $this->pdo->commit(); } public function load() { $stmt = $this->pdo->query('SELECT key, value FROM box_items'); $data = []; while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) { $data[$row['key']] = unserialize($row['value']); } $this->data = $data; } }
  24. Hi everyone. I'm very new into self learning programming. Presently I'm trying to develop a simple basic Robot that would only Place a Market Order every seconds and it will cancel the Order every followed seconds. Using the following library: https://docs.b2bx.exchange/en/_docs/api-reference.html#private-api It would place Trade Order at a ( Price = ex.com api * Binance api Aggregate Trades Price) I have already wrote the api to call for xe.com exchange rate with php <?php $auth = base64_encode("username:password"); $context = stream_context_create([ "http" => [ "header" => "Authorization: Basic $auth" ] ]); $homepage = file_get_contents("https://xecdapi.xe.com/v1/convert_from?to=NGN&amount=1.195", false, $context ); $json = json_decode($homepage, TRUE); foreach ($json as $k=>$to){ echo $k; // etc }; ?> And also for the Binance Aggregate Price in JavaScript <script> var burl = "https://api3.binance.com"; var query = '/api/v3/aggTrades'; query += '?symbol=BTCUSDT'; var url = burl + query; var ourRequest = new XMLHttpRequest(); ourRequest.open('GET',url,true); ourRequest.onload = function(){ console.log(ourRequest.responseText); } ourRequest.send(); </script> My problem is how to handle these two api responds and also the functions to use them to place a trade and cancel it. Please help me out. Thanks in advance on any help.
  25. Hello everyone. I'm just learning programming. I have a class: class DbBox extends BoxAbstract { public function save() { } public function load() { } } This class has two methods, Load and Save. How to format them correctly so that they can save data to a file?
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