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PHP - Help Creating Multiplication And Addition Tables In Php
I am new to php and need help creating addition and multiplication tables using the html code we were given. I feel like I am on the right track, but I am getting a few errors and I cant figure them out. One of the errors is that it tells me I am not putting in a valid number for rows even though it is a positive number so it should work. Here is my code and all help is appreciated thanks in advance.
<html>
<head/>
<body>
<form method="POST" action="<?= $_SERVER['PHP_SELF'] ?>">
<table border="1">
<tr><td>Number of Rows:</td><td><input type="text" name="rows" /></td></tr>
<tr><td>Number of Columns:</td><td><select name="columns">
<option value="1">1</option>
<option value="2">2</option>
<option value="4">4</option>
<option value="8">8</option>
<option value="16">16</option>
</select>
</td></tr>
<tr><td>Operation:</td><td><input type="radio" name="operation" value="multiplication" checked="yes">Multiplication</input><br/>
<input type="radio" name="operation" value="addition">Addition</input>
</td></tr>
</tr><td colspan="2" align="center"><input type="submit" name="submit" value="Generate" /></td> </tr>
</table>
</form>
<?php
//check to see if num of rows is numberic
if (isset($_POST["rows"]) && is_numeric($_POST["rows"])){
//check to see if rows is a positive number
if($_POST["rows"] > 0){
if(isset($_POST) && $_POST['operation'] == "multiplication")
{
for($r = 0; $r < $_POST["rows"]; $r++){
echo '<tr>';
for($c = 0; $c < $_POST["columns"]; $c++){
echo '<td>' .$c*$r. '</td>';
echo '</tr>';
}}
}
else if (isset($_POST) && $_POST['operation'] == "addition")
{
for($r = 0; $r < $_POST["rows"]; $r++){
echo '<tr>';
for($c = 0; $c < $_POST["columns"]; $c++){
echo '<td>' .$c+$r. '</td>';
echo '</tr>';
}
}
}
}
else{
echo 'Invalid rows columns parameters';
exit();
}
}
else{
echo 'Invalid rows columns parameters';
exit();
}
?>
</body>
</html>
Similar TutorialsCode: [Select] <?php echo "<tableborder=1>"; echo "<table> \n"; echo " <tr>\n"; $a= 1; $b= 1; while ($a <= 9 && $b <= 10){ $calc = $a * $b; echo " <td>$calc</td>\n"; $a++; if ($a == 9){ echo " </tr>\n"; if ($b < 10) echo " </tr>\n"; $a = 1; $b++; } } echo "</table>"; ?> I am trying to do the multiplication tables but so far i can only manage to get this. it only shows the answers but i want it to show the tables along with the calculation, so for example: 1*2=2 2*2=4 etc. I want it to show on a repeating loop so it runs up to the 9 times tables. Any help on this? Here is the sample page: http://hoosierhoopsreport.com/pg-test/ Trying to create a table that has three sections (groupings). That part I have figured out. The first grouping is sorted numerically. The second group is sorted alphabetically based on what part of the state they live in. It's breaking down this second part that I can't seem to get. (The third group is just what's left over, sorted alphabetically.) So it needs to look like this: (Each group and region have their own header row. Only Group 2 is broken down into Regions.) Group 1 Group 2 -Region 1 -Region 2 -Region 3 -Region 4 -Region 5 Group 3 The sample page above, in Group 2, it just shows Region 1 header. Code: [Select] $query = 'SELECT * FROM a_playerRank WHERE year="2015" and position="1" ORDER BY grouping DESC,rankPos,region,nameLast'; $results = mysql_query($query) or trigger_error('MySQL error: ' . mysql_error()); $currentGrouping = false; $currentRegion = false; while($line = mysql_fetch_assoc($results)) { if($currentGrouping != $line['grouping']) { //Status has changed, display status header $currentGrouping = $line['grouping']; if($line['grouping']==2) { echo '<thead> <tr> <th class="num">#</th> <th class="top">Top 10</th> <th class="height">HT</th>'; if (current_user_can("access_s2member_level4")){ echo '<th class="level">Level</th>'; } echo' <th class="school">City (School)</th>'; if (current_user_can("access_s2member_level4")){ echo '<th class="summer">Summer Team</th>'; } echo' <th class="college">College</th> </tr> </thead>'; } if($line['grouping']==1) {echo '<tr><th colspan="7">Best of the Rest</th></tr>'; if($currentRegion != $line['region']) { $currentRegion = $line['region']; echo '<tr><th colspan="7">Region' .$line['region'] . '</th></tr>';} } if($line['grouping']==0) echo '<tr><th colspan="7">Names to Know</th></tr>'; } Hi, So i have HTML table which i'm attempting to turn into executable SQL code which i can then insert into a SQL database table. I'm wondering if anyone has any good ideas for the best way to get this done? I need to extract the data from each of the <tr bgcolor="#EEEEEE">, scrape the text within each <td></td> and then format it in sql. so far i have removed the html not required and created an array by exploding "<tr bgcolor="#EEEEEE">", however, its creating an empty element in the first array index [0], to fix this i have tried $players = array_shift($players); however it removed everything from the array. next i was thinking i would need to remove all html within each array element and add a comma to the end, then i would need to compress it all back together again? would this be the best way to do this? source html
<html>
<head>
<title><br/></title>
<style type ="text/css">
body,td,th {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
}
th {
padding: 5px;
text-align: left;
}
td {
padding: 2px;
border-style: solid;
border-width: 1px
}
</style>
</head>
<body>
<center><B><br/>
</center></B>
<p>
<table bordercolor="#000000" width="90%" align="center">
<tr bgcolor="#EEEEEE">
<th>UID</th>
<th>Name</th>
<th>Nat</th>
<th>Position</th>
<th>Best Pos</th>
<th>Age</th>
<th>DoB</th>
<th>Height</th>
<th>Weight</th>
<th>Expires</th>
<th>Wage</th>
<th>Value</th>
<th>Aer</th>
<th>Cmd</th>
<th>Com</th>
<th>Ecc</th>
<th>Han</th>
<th>Kic</th>
<th>1v1</th>
<th>Pun</th>
<th>Ref</th>
<th>TRO</th>
<th>Thr</th>
<th>Cor</th>
<th>Cro</th>
<th>Dri</th>
<th>Fin</th>
<th>Fir</th>
<th>Fre</th>
<th>Hea</th>
<th>Lon</th>
<th>L Th</th>
<th>Mar</th>
<th>Pas</th>
<th>Pen</th>
<th>Tck</th>
<th>Tec</th>
<th>Agg</th>
<th>Ant</th>
<th>Bra</th>
<th>Cmp</th>
<th>Cnt</th>
<th>Dec</th>
<th>Det</th>
<th>Fla</th>
<th>Ldr</th>
<th>OtB</th>
<th>Pos</th>
<th>Tea</th>
<th>Vis</th>
<th>Wor</th>
<th>Acc</th>
<th>Agi</th>
<th>Bal</th>
<th>Jum</th>
<th>Nat</th>
<th>Pac</th>
<th>Sta</th>
<th>Str</th>
</tr>
<tr bgcolor="#EEEEEE">
<td>859596</td>
<td>Tim Krul</td>
<td>NED</td>
<td>GK</td>
<td>GK</td>
<td>31</td>
<td>3/4/1988 (31 years old)</td>
<td>194 cm</td>
<td>83 kg</td>
<td>30/6/2022</td>
<td>£25,000 p/w</td>
<td>£12.75M</td>
<td>15</td>
<td>13</td>
<td>14</td>
<td>8</td>
<td>13</td>
<td>13</td>
<td>15</td>
<td>12</td>
<td>16</td>
<td>15</td>
<td>12</td>
<td>1</td>
<td>2</td>
<td>1</td>
<td>3</td>
<td>8</td>
<td>4</td>
<td>5</td>
<td>3</td>
<td>2</td>
<td>2</td>
<td>9</td>
<td>4</td>
<td>3</td>
<td>8</td>
<td>11</td>
<td>12</td>
<td>14</td>
<td>13</td>
<td>13</td>
<td>12</td>
<td>14</td>
<td>2</td>
<td>14</td>
<td>2</td>
<td>15</td>
<td>10</td>
<td>5</td>
<td>13</td>
<td>11</td>
<td>13</td>
<td>14</td>
<td>17</td>
<td>13</td>
<td>8</td>
<td>14</td>
<td>10</td>
</tr>
<tr bgcolor="#EEEEEE">
<td>5204730</td>
<td>Michael McGovern</td>
<td>NIR</td>
<td>GK</td>
<td>GK</td>
<td>34</td>
<td>12/7/1984 (34 years old)</td>
<td>188 cm</td>
<td>86 kg</td>
<td>30/6/2021</td>
<td>£8,000 p/w</td>
<td>£875K</td>
<td>12</td>
<td>11</td>
<td>10</td>
<td>2</td>
<td>12</td>
<td>12</td>
<td>12</td>
<td>11</td>
<td>13</td>
<td>8</td>
<td>10</td>
<td>5</td>
<td>2</td>
<td>1</td>
<td>3</td>
<td>9</td>
<td>7</td>
<td>6</td>
<td>3</td>
<td>3</td>
<td>2</td>
<td>7</td>
<td>1</td>
<td>2</td>
<td>5</td>
<td>7</td>
<td>12</td>
<td>14</td>
<td>13</td>
<td>13</td>
<td>11</td>
<td>17</td>
<td>1</td>
<td>12</td>
<td>7</td>
<td>12</td>
<td>15</td>
<td>10</td>
<td>15</td>
<td>10</td>
<td>13</td>
<td>12</td>
<td>12</td>
<td>12</td>
<td>8</td>
<td>15</td>
<td>14</td>
</tr>
</table>
<p>
<p align="center">
</body>
</html>
code i've created so far:
<?php
// Defining the basic scraping function
function scrape_between($data, $start, $end)
{
$data = stristr($data, $start); // Stripping all data from before $start
$data = substr($data, strlen($start)); // Stripping $start
$stop = stripos($data, $end); // Getting the position of the $end of the data to scrape
$data = substr($data, 0, $stop); // Stripping all data from after and including the $end of the data to scrape
return $data; // Returning the scraped data from the function
}
$myfile = fopen("source.html", "r") or die("Unable to open file!");
$page = fread($myfile,filesize("source.html"));
$page = scrape_between($page, '</tr>', '</table>');
$players = explode('<tr bgcolor="#EEEEEE">', $page);
echo '<pre>'; print_r($players); echo '</pre>';
fclose($myfile);
?>
Edited December 14, 2019 by seany1234 I am trying to simplify my coding work for my website and wanting to make it operate more professionally (as part of my training to better my programming skills, which I know will take a lot of time to do). One of the things I`d like to improve on it is to create tables and fields in my mysql database, but not have to go into phpmyadmin to do it. I know open source programs like Drupal can do this easily so that when you add modules, the user does not have to access the database to set it up. But looking at the codes, I`m unable to figure out how it works. How will I be able to program my code to do something like, I`ll have a form where I enter in what I want the new table to be called, what fields to add in and their specifications, where I could do this by just going into my website as the admin? what is dificult in creating this tables... CREATE TABLE `pois` ( `id` bigint(20) unsigned NOT NULL, `lat` float(10,7) NOT NULL, `lon` float(10,7) NOT NULL, PRIMARY KEY (`id`) ) CREATE TABLE `pois_tag` ( `poisid` int(11) NOT NULL DEFAULT '0', `tagname` varchar(45) NOT NULL DEFAULT '', `tagvalue` varchar(255) DEFAULT NULL, PRIMARY KEY (`poisid`,`tagname`) )i get back the following error ; MySQL meldet: Dokumentation #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CREATE TABLE `pois_tag` ( `poisid` int(11) NOT NULL DEFAULT '0', `tagname`' at line 8many thanks for any and all help Ok, so I've spent quite a bit of time piecing together this solution from a variety of sources. As such, I may have something in my code below that doesn't make sense or isn't neccessary. Please let me know if that is the case. I'm creating an administrative form that users will you to add/remove items from a MySQL table that lists open positions for a facility. The foreach loop generates all of the possible job specialties from a table called 'specialty_list'. This table is joined to a second table ('open_positions') that lists any positions that have been selected previously. Where I'm stuck is getting the checkbox to be checked if the facility_ID from the open_positions table matches the $id passed in the URL via ?facility_id=''. Here's where I am so far: $query = "SELECT specialty_list.specialty_displayname , specialty_shortname , open_positions.position , facility_ID FROM specialty_list LEFT OUTER JOIN open_positions ON open_positions.position = specialty_list.specialty_shortname ORDER BY specialty_list.specialty_shortname"; $results = mysql_query($query) or die(mysql_error()); while($row = mysql_fetch_assoc($results)) { $positions[$row['specialty_shortname']] = $row['specialty_displayname']; } echo "<form method='POST' action='checkbox.php'>"; foreach($positions as $specialty_shortname => $specialty_displayname) { $facility_ID = $row['facility_ID']; $checked = $facility_ID == $row['facility_ID'] ? ' checked' : ''; echo "<input type='checkbox' name='position[]' value=\"{$specialty_shortname}\"{$checked}> {$specialty_displayname}</input><br/>"; } echo "<input type='hidden' name='facility_ID' value='$id'>"; echo "<input type='submit' value='Submit Checkboxes!'>"; echo "</form>"; Any ideas how to get this working? I feel like I'm very close, but I just can't get it. I also tried starting from scratch with a WHILE statement instead of a FOREACH, but haven't tweaked it enough to prevent duplicate checkboxes. With that in mind, here it is, just in case that's a better direction: $query = "SELECT specialty_list.specialty_displayname , specialty_shortname , open_positions.position , facility_ID FROM specialty_list LEFT OUTER JOIN open_positions ON open_positions.position = specialty_list.specialty_shortname ORDER BY specialty_list.specialty_shortname"; $results = mysql_query($query) or die(mysql_error()); echo "<form method='POST' action='checkbox.php'>"; while($row=mysql_fetch_assoc($results)) { $facility_ID = $row['facility_ID']; $specialty_shortname = $row['specialty_shortname']; $specialty_displayname = $row['specialty_displayname']; if ($facililty_ID==$id) { $checked=' checked'; } echo "<input type='checkbox' name='position[]' value=\"$specialty_shortname\"$checked> $specialty_displayname</input><br/>"; } echo "<input type='hidden' name='facility_ID' value='$id'>"; echo "<input type='submit' value='Submit Checkboxes!'>"; echo "</form>"; I have a multiplication app that users will use as a test. The app has 9 multiplication problems that will be filled out. Then when the user hits the score button. It will then display the number of seconds it took to complete test and the answers that were filled out. What I want this app to do is display the ones that the user got wrong along with the correct answer. Not sure how I would do this. Here is my code to the app... Code: [Select] <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Lab 5</title> </head> <body> <?php define ('ROWS', 3); define ('COLS', 3); define ('MAX_NUMBER', 12); date_default_timezone_set('America/New_York'); if (isset($_POST['btn_score'])) { //print_r ($_POST); $time1 = $_POST['ts']; $time1_object = new DateTime($time1); $now = new DateTime(); $time_span = $now->diff($time1_object); $minutes = $time_span->format('%i'); $seconds = $time_span->format('%s'); $seconds+= $minutes * 60; echo "It took $seconds seconds to complete the test<hr />"; foreach ($_POST as $problem => $answer) { if ($problem <> "btn_score" && $problem <> "ts") { //echo "$problem -- $answer <br />"; $problem = explode('_', $problem); $num1 = $problem[2]; $num2 = $problem[3]; echo "$num1 * $num2 === $answer <br />"; } } } ?> <h1>Lab 5</h1> <form name="lab5" method="post" action="lab5b.php"> <?php $now = new DateTime(); //echo $now->format('Y-m-d H:i:s'); echo "<input type='hidden' name='ts' value='" . $now->format('Y-m-d H:i:s') . "'>"; ?> <table border="1" cellspacing="5" cellpadding="5"> <?php $no_of_problems = 0; for ($row=0; $row<ROWS; $row++) { echo "<tr>"; for ($col=0; $col<COLS; $col++) { $num1 = mt_rand(1,MAX_NUMBER); $num2 = mt_rand(1,MAX_NUMBER); echo "<td>$num1 * $num2 </td>"; echo "<td><input type='text' size='2' name=${no_of_problems}_mult_${num1}_${num2}></td>"; $no_of_problems++; } echo "</tr>"; } $colspan = 2 * COLS; echo "<tr><td colspan=$colspan align='right'><input type='submit' value='Score' name='btn_score'></td></tr>"; ?> </table> </form> </body> </html> hi i need to get value after Multiplication in a loop as total, please how can i do that here is my code while ($row = mysql_fetch_array($name)) {?> <td><?php echo $row['service']; ?></td> <td><?php echo $result['qty'] ; ?></td> <td><?php echo $total = ($result['qty'] * $row['price']); ?></td> <?php } ?> i need to get $total of sum after loop, currently it shows only individual.. thanks for any help.. Regards Hi, I have the following script: <?PHP $match = '/.*?\\d+.*?(\\d+)(\\s+)/is' ; $dbh = new PDO('mysql:host=localhost;dbname=xxxx', 'xxxx', 'xxxx') ; $result = $dbh->query("SELECT companyName, invoiceAddress FROM detail_sheets WHERE area = 'Germany'") ; $codes = array() ; $names = array() ; $c0s = array() ; $c1s = array() ; $c2s = array() ; $c3s = array() ; $c4s = array() ; $c5s = array() ; $c6s = array() ; $c7s = array() ; $c8s = array() ; $c9s = array() ; while($row = $result->fetch(PDO::FETCH_ASSOC)) { if(preg_match($match, $row['invoiceAddress'], $matches)) { $codes[] = substr($matches[1], 0, 1) ; $names[] = $row['companyName'] ; //array_push($found, substr($matches[1], 0, 1), $row['companyName']) ; } } $i = 0 ; foreach($codes as $current) { $currentName = $names[$i] ; $result = $dbh->prepare("SELECT (sum(partbaskets.total) - sum(pourbaskets.total)) AS Margin FROM partbaskets, pourbaskets, enquiries, jobs WHERE partbaskets.enquiryRef = enquiries.id AND pourbaskets.enquiryRef = enquiries.id AND jobs.enquiryRef = enquiries.id AND jobs.status != 'Cancelled' AND enquiries.enqState != 'Inert' AND enquiries.companyName = ? ") ; $result->bindParam(1, $currentName, PDO::PARAM_STR) ; $result->execute() ; while($row = $result->fetch(PDO::FETCH_ASSOC)) { if($current == 0 && $row['Margin']) array_push($c0s, $row['Margin']) ; if($current == 1 && $row['Margin']) array_push($c1s, $row['Margin']) ; if($current == 2 && $row['Margin']) array_push($c2s, $row['Margin']) ; if($current == 3 && $row['Margin']) array_push($c3s, $row['Margin']) ; if($current == 4 && $row['Margin']) array_push($c4s, $row['Margin']) ; if($current == 5 && $row['Margin']) array_push($c5s, $row['Margin']) ; if($current == 6 && $row['Margin']) array_push($c6s, $row['Margin']) ; if($current == 7 && $row['Margin']) array_push($c7s, $row['Margin']) ; if($current == 8 && $row['Margin']) array_push($c8s, $row['Margin']) ; if($current == 9 && $row['Margin']) array_push($c9s, $row['Margin']) ; } $result = NULL ; $i++ ; } echo "<table><tr><td>Area</td><td>Margin</td></tr>" ; echo "<tr><td>Area 0</td><td>" . array_sum($c0s) . "</td></tr>" ; echo "<tr><td>Area 1</td><td>" . array_sum($c1s) . "</td></tr>" ; echo "<tr><td>Area 2</td><td>" . array_sum($c2s) . "</td></tr>" ; echo "<tr><td>Area 3</td><td>" . array_sum($c3s) . "</td></tr>" ; echo "<tr><td>Area 4</td><td>" . array_sum($c4s) . "</td></tr>" ; echo "<tr><td>Area 5</td><td>" . array_sum($c5s) . "</td></tr>" ; echo "<tr><td>Area 6</td><td>" . array_sum($c6s) . "</td></tr>" ; echo "<tr><td>Area 7</td><td>" . array_sum($c7s) . "</td></tr>" ; echo "<tr><td>Area 8</td><td>" . array_sum($c8s) . "</td></tr>" ; echo "<tr><td>Area 9</td><td>" . array_sum($c9s) . "</td></tr></table>" ; ?> But what is happening is that the Margin is being multiplied by the number of rows in partbaskets (which is the same amount of rows in pourbaskets). So for instance, if there is one part per job for a companyName, there is no problem and I get the correct margin. But, if there is say 4 parts for one of the jobs, then the margin for that job will be multiplied by 4, which is wrong. I have tried using GROUP but it didn't help. Can someone please give me the missing link in my SQL statement? I'm trying to build a small php script to help automate adding vacation time to keep track of employees available vacation. I can run the sql below, and it executes fine: Quote Update `vacation` set avail_vacation = `avail_vacation` - `used` where employee = "employee1"; I'm trying to build this into a php function. This is what I have so far: Code: [Select] <?php function sql_addition() { global $conn; global $_POST; $sql = "update `vacation` set `avail_vacation`= `avail_vacation` + `added` where employee = .sqlvalue(@$_POST["employee"])"; mysql_query($sql, $conn) or die(mysql_error()); } <html> <tr> <td class="hr"><?php echo htmlspecialchars("Add Hours")." " ?></td> <td class="dr"><input type="text" name="added" value="<?php echo sql_addition('"', '"', trim($row["added"])) ?>"></td> </tr> ?> </html> It's showing the error below where the field should be for submitting hours to add: Quote <input type="text" name="added" value="You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 Help would be greatly appreciated. Hi I'm having an issue with a piece of code, it pretty much works but the line to output the total weight only seems to be picking up the count and not multiplying it by the weight. Any ideas why this is? Thanks in advance Code: [Select] <?php mysql_connect("localhost", "*****", "******") or die(mysql_error()); mysql_select_db("inventory") or die(mysql_error()); $data = mysql_query("SELECT * FROM testDB ORDER BY uid DESC LIMIT 30") or die(mysql_error()); Print "<p>"; while($info = mysql_fetch_array( $data )) { $totalweight = ($info['count' * 'itemtype']); Print $info['count'] . " "; Print $info['itemtype'] . " "; Print $totalweight . " kgs <br />"; } Print "</p>"; ?> Am trying to get a current price, add it to what is in the database and update the table with the new value. Every time i do it, it won't do the addition but update the table with the current price. Please, what am i doing wrong?
$sql2 = mysql_query("SELECT * FROM pbudget WHERE project_name = '$project' ");
$budget = mysql_fetch_array($sql2);
$actual = $budget['actual'] ;
$actual = $budget['spent'] ;
$tot = ($spent + $amount);
$final = ($actual - $amount);
//$final = ($actual + $amount);
$r = mysql_query("UPDATE pbudget SET actual = '$final', spent ='$tot' WHERE project_name = '$project'") or die(mysql_error());
$que = mysql_query("UPDATE budget SET actual = '$final', spent ='$tot' WHERE category = '$cat'") or die(mysql_error());
Heja I have a MySQL database which contains information of members and the current balance of there accounts (eg: $1000) it also shows there current gain (eg: 1.2%) what i have been doing is individually updating each clients percent and balance. What i'm trying to work out is how to add a percent gain for the week and both the percent and balance of the clients are updated according to the submitted gain for example: Client 1 has $1,000 and has a current gain of 1.5% Client 2 has $,2000 and has a current gain of 2.5% I want to update both clients by 1.5% and then both clients be updated like so: Client 1 would now have $1,010.50 and now has a gain of 3.0% Client 2 would now have $2,020.50 and now has a gain of 4.0% I was looking around and could find much information on the internet or exactly has this can be achieved so i started to work on a addition and try atleast add the % however it dont go accordingly, i suppose im very rusty at my php. I started working around something like this: Code: [Select] mysql_select_db('mem') or trigger_error("SQL", E_USER_ERROR); $a1 = mysql_query("SELECT profits FROM account"); $a= $a1; $b=$b1; /* html <input type="text" name="b1" id="b1"> the % i want to update*/ $add=($a+$b); $sql = "UPDATE mem SET balance = balance +'$add'"; if (!mysql_query($sql)) { die('Error: ' . mysql_error()); } This obviously does not work but it could possibly give you a better understanding of maybe what im trying to do here. Any help would be appreciated. Thanks hii everyone how to add the values of rows in a database.... I have added the code of my database table Code: [Select] CREATE TABLE `users` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(50) NOT NULL, `money` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=23 DEFAULT CHARSET=utf8; And i have some rows like (1,peter, $94) (2,John,$16) .... .... .... .... .... i want to add those values (i.e their money) and shows like [ total money = $110]... I have done few queries like Code: [Select] SELECT id,SUM(money) FROM usersand Code: [Select] mysql_query("SELECT * FROM `users` SUM `money` WHERE id='$id'");But nothing seems to work out... Any help guysss.... Thanks in advance... Hey, guys!
Why the output of my code in both "echo" is only the number "2"?
<?php $x = 4; $y = 2; //Addition. echo "Addtion: " . $x + $y . "<br>"; echo 'Addtion: ' . $x + $y . '<br>'; ?>Thanks! Hello People. Please can someone point me to where I can learn to program the following all one one page? Here is a screenshot of what I'm after. Idea being that you put hours and minutes into the top row. Then hours and minutes into the next row. Click the button and get the answer at the bottom. The answer to 1 hour 40 minutes added to 1 hour 40 minutes should obviously be 3 hours 20 minutes. Here's how I would approach it in another language, but am brand new to php hence the help required. Make the following variables. Hour1 Hour2 Minute1 Minute2 Total_Hours Total_Minutes Combined_Time I would then write something like Total_minutes = minute1 + Minute2 Total_hours = Hour1 + hour2 combined time = Total_hours * 60 + (Total_Minutes) // reset the total hours Total_hours = 0 Loop here.... while combined_time >60 Total_hours = Total_hours + 1 combined_time = combined time -60 re-do the loop Now in the boxes at the bottom put bottom hour box = total hours bottom minute box = combined_time (remaining minutes) here's the code I have so far. Code: [Select] <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Untitled Document</title> </head> <body> <table width="527" border="0" cellspacing="5" cellpadding="5" bgcolor="#c0c5c9"> <p>Time Calculator</p> <p>Put your hours and minutes in the top boxes. Click the add time button<br /> to get the answer </p> <table width="401" border="1" cellspacing="5" cellpadding="5"> <tr> <td width="109"><input type="int" name="hour01" size="10" maxlength="10" /> Hrs</td> <td width="251"><input type="int" name="min01" size="10" maxlength="10" /> Mins</td> </tr> <tr> <td><input type="int" name="hour02" size="10" maxlength="10" /> Hrs</td> <td><input type="int" name="min02" size="10" maxlength="10" /> Mins</td> </tr> <tr> <td><input type="submit" name="submit" value="Add Time" /></td> <td><input name="hour_answer" type="int" size="10" maxlength="10" /> Hrs <input type="int" name="minute_answer" size="10" maxlength="10" /> Mins</td> </tr> </table> <tr></tr> </body> </html> Is it possible to put a multiplication problem in the mysql "default value" field? In my script I need to take the unit amount * quantity, I know how to do this in php, but can I just put my equation in the "default value" field in MYSQL and make it equal to another field?... Like excell? Thanks
<html>
<head>
<title>Sum Html Textbox Values using jQuery/JavaScript</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
$(function() {
$(document).on('blur keyup', '.add, .sub', function(e) {
var sum = 0;
$('.add, .sub').each(function(i) {
if (!isNaN(this.value) && this.value.length != 0) {
if ($(this).hasClass('add')) {
sum += parseFloat(this.value);
}
else {
sum -= parseFloat(this.value);
}
}
});
$('#total').text(sum.toFixed(2));
})
})
</script>
</head>
<body>
<form method="post" action="calc.php">
Addition:
<br/>
Field 1: <input type="text" class="add" name="1" value="7500"/><br/>
Field 2: <input type="text" class="add" name="2" value=""/><br/>
Field 3: <input type="text" class="add" name="3" value=""/><br/>
Field 4: <input type="text" class="add" name="4" value=""/><br/><br/>
Total Addition:
<br/><br/>
Substraction:
<br/>
Field 1: <input type="text" class="sub" name="5" value=""/><br/>
Field 2: <input type="text" class="sub" name="6" value=""/><br/>
Field 3: <input type="text" class="sub" name="7" value=""/><br/>
Field 4: <input type="text" class="sub" name="8" value=""/><br/><br/>
Total Substraction:
<br/><br/>
Grand Total: <div id="total"></div>
<input type="submit" value="submit" />
</form>
</body>
</html>
This portion is kind of stumping me. Basically, I have a two tables in this DB: users and users_access_level (Separated for DB normalization) users: id / username / password / realname / access_level users_access_level: access_level / access_name What I'm trying to do, is echo the data onto an HTML table that displays users.username in one table data and then uses the users.access_level to find users_access_level.access_name and echo into the following table data, I would prefer not to use multiple queries if possible or nested queries. Example row for users: 1234 / tmac / password / tmac / 99 Example row for users_access_level: 99 / Admin Using the examples above, I would want the output to appear as such: Username: Access Name: Tmac Admin I am not 100% sure where to start with this, but I pick up quickly, I just need a nudge in the right direction. The code I attempted to create just shows my lack of knowledge of joining tables, but I'll post it if you want to see that I did at least make an effort to code this myself. Thanks for reading! Im doing a search system and Im having some problems.
I need to search in two tables (news and pages), I already had sucess doing my search system for just one table, but for two tables its not easy to do.
I already use a select statment with two tables using UNION because I want to show number of search results, that is number of returned rows of my first sql statment.
But now I need to do a select statment that allows me to acess all fields of my news table and all fields of my pages table.
I need to acess in my news table this fields: id, title, content, link, date, nViews
I need to acess in my pages table this fields: id, title, content, link
Im trying to do this also with UNION, but in this case Im not having any row returning.
Do you see what I have wrong in my code?
<?php //first I get my $search keyword $search = $url[1]; $pdo = connecting(); //then I want to show number of returned rows for keyword searched $readALL = $pdo->prepare("SELECT title,content FROM news WHERE title LIKE ? OR content LIKE ? UNION SELECT title,content FROM pages WHERE title LIKE ? OR content like ?"); $readALL->bindValue(1,"%$search%", PDO::PARAM_STR); $readALL->bindValue(2,"%$search%", PDO::PARAM_STR); $readALL->bindValue(3,"%$search%", PDO::PARAM_STR); $readALL->bindValue(4,"%$search%", PDO::PARAM_STR); $readALL->execute(); //I show number of returned rows echo '<p>Your search keyword returned <strong>'.$readALL->rowCount().'</strong> results!</p>'; //If dont return any rows I show a error message if($readALL->rowCount() <=0){ echo 'Sorry but we didnt found any result for your keyword search.'; } else{ //If return rows I want to show, if it is a page result I want to show title and link that I have in my page table //if it is a news result I want to show title and link that I have in my news table and also date of news echo '<ul class="searchlist">'; $readALL2 = $pdo->prepare("SELECT * FROM news WHERE status = ? AND title LIKE ? OR content LIKE ? LIMIT 0,4 UNION SELECT * FROM pages where title LIKE ? OR content LIKE ? LIMIT 0,4"); $readALL2->bindValue(1, '1'); $readALL2->bindValue(2, "%$search%", PDO::PARAM_STR); $readALL2->bindValue(3, "%$search%", PDO::PARAM_STR); $readALL2->bindValue(4, "%$search%", PDO::PARAM_STR); $readALL2->execute(); while ($result = $readALL2->fetch(PDO::FETCH_ASSOC)){ echo '<li>'; echo '<img src="'.BASE.'/uploads/news/'.$result['thumb'].'"/>'; echo '<a href="'.BASE.'/news/'.$result['id_news'].'">'.$result['title'].'</a>'; //if it is a news result I also want to show date on my list //echo '<span id="date">'.$result['date'].'</span>'; echo '</li>'; } echo ' </ul>'; //but how can I do my select statement to have access to my news table fields and my page table fields?? } ?> |
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