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PHP - Addition Problem
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. Similar TutorialsAm 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());
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>"; ?> 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! 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>
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>
<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);
}
}
});
$('#total').text(sum.toFixed(2));
})
})
</script>
</head>
<body>
<form method="post" action="calc.php">
Addition:
<br/>
Field 1: <input type="text" class="add" name="1" value="7500"/><br/>
Field 2: <input type="text" class="add" name="2" value=""/><br/>
Field 3: <input type="text" class="add" name="3" value=""/><br/>
Field 4: <input type="text" class="add" name="4" value=""/><br/><br/>
Total Addition:
<br/><br/>
Substraction:
<br/>
Field 1: <input type="text" class="sub" name="5" value=""/><br/>
Field 2: <input type="text" class="sub" name="6" value=""/><br/>
Field 3: <input type="text" class="sub" name="7" value=""/><br/>
Field 4: <input type="text" class="sub" name="8" value=""/><br/><br/>
Total Substraction:
<br/><br/>
Grand Total: <div id="total"></div>
<input type="submit" value="submit" />
</form>
</body>
</html>
Guys thanks for helping me solve the problem i had but now i have another problem and i am lost. i have included the code below for you to have overview.
This is the code:
<table style="width:100%; margin-left:auto; margin-right:auto"> Hi. I am from poland. I am 17 old age and like webmastering. I write my social network. I have new server 10 GB VPS and my script no runing In my server. in my server do can not login. No runing function Code: [Select] mb_strtolower();as delete function mb_strtolower() ; this login runing. In my server haven`t installing liberary GD and no runing upload avatars. my code upload is: elseif ($_GET['act'] == "upload") { echo <<< KONIEC <hr> <center> <p> <h2>Dodaj zdjęcie</h2> <ul class="gallery clearfix"> <li class="extra"> KONIEC; error_reporting(E_ALL); // we first include the upload class, as we will need it here to deal with the uploaded file include('include/class.upload.php'); // retrieve eventual CLI parameters $cli = (isset($argc) && $argc > 1); if ($cli) { if (isset($argv[1])) $_GET['file'] = $argv[1]; if (isset($argv[2])) $_GET['dir'] = $argv[2]; if (isset($argv[3])) $_GET['pics'] = $argv[3]; } // set variables $dir_dest = (isset($_GET['dir']) ? $_GET['dir'] : 'test'); $dir_pics = (isset($_GET['pics']) ? $_GET['pics'] : $dir_dest); if (!$cli) { } // we have three forms on the test page, so we redirect accordingly if ((isset($_POST['action']) ? $_POST['action'] : (isset($_GET['action']) ? $_GET['action'] : '')) == 'simple') { // ---------- SIMPLE UPLOAD ---------- // we create an instance of the class, giving as argument the PHP object // corresponding to the file field from the form // All the uploads are accessible from the PHP object $_FILES $handle = new Upload($_FILES['my_field']); // then we check if the file has been uploaded properly // in its *temporary* location in the server (often, it is /tmp) if ($handle->uploaded) { // yes, the file is on the server // now, we start the upload 'process'. That is, to copy the uploaded file // from its temporary location to the wanted location // It could be something like $handle->Process('/home/www/my_uploads/'); $handle->Process($dir_dest); function TestProcess(&$handle, $title = 'test', $details='') { global $dir_pics, $dir_dest; $unlink = 'test/'. $handle->file_dst_name; $myid = $_SESSION['id']; $opis = htmlspecialchars(stripslashes(strip_tags(trim($_POST["opis"]))), ENT_QUOTES); $handle->Process($dir_dest); if ($handle->processed) { unlink("$unlink"); $link = ''.$dir_pics.'/' . $handle->file_dst_name .''; $addphoto = mysql_query("INSERT INTO photo VALUES('', '$myid', '$link', '$opis')"); echo <<< KONIEC <br> <center> <img src="$link" > <br> <br /> </center> KONIEC; } else { echo '<fieldset class="classuploadphp">'; echo ' <legend>' . $title . '</legend>'; echo ' Error: ' . $handle->error . ''; if ($details) echo ' <pre class="code php">' . htmlentities($details) . '</pre>'; echo '</fieldset>'; } } if (!file_exists($dir_dest)) mkdir($dir_dest); // ----------- $handle->image_convert = 'jpg'; $handle->image_resize = true; $handle->image_ratio_y = true; $handle->image_x = 500; $handle->image_precrop = 15; $handle->image_watermark = "watermark_large.png"; $handle->image_watermark_x = 20; $handle->image_watermark_y = -20; TestProcess($handle, '15px pre-cropping (before resizing 800 wide), large watermark automatically reduced, position 20 -20', "\$foo->image_convert = 'jpg';\n\$foo->image_resize = true;\n\$foo->image_ratio_y = true;\n\$foo->image_x = 800;\n\$foo->image_precrop = 15;\n\$foo->image_watermark = 'watermark_large.png';\n\$foo->image_watermark_x = 20;\n\$foo->image_watermark_y = -20;"); } else { // one error occured echo '<fieldset>'; echo ' <legend>file not uploaded to the wanted location</legend>'; echo ' Error: ' . $handle->error . ''; echo '</fieldset>'; } // we copy the file a second time // we delete the temporary files $handle-> Clean(); } else { // if we are here, the local file failed for some reasons echo '<fieldset>'; echo ' <legend>local file error</legend>'; echo ' Error: ' . $handle->error . ''; echo '</fieldset>'; } echo <<< KONIEC <li> </ul> </p> </center> KONIEC; is it the only problem that isn`t installing GD as i have something off in php.ini ? Plise Help me I am trying to understand PHP OOP and I have some code that is not working. here is the error code. Code: [Select] Parse error: parse error, expecting `T_FUNCTION' in C:\wamp\www\testing\armor_lib.php on line 11 And here is the armor_lib.php file: <?php class armor { // Head public $head; public $torso; public $pants; public $gloves; public $boots; // new stuff here class head extends armor { function __construct($head){ $this->set_head($head); } } // Torso class torso extends armor { function __construct($torso){ $this->set_torso($torso); } } // Pants class pants extends armor { function __construct($pants){ $this->set_pants($pants); } } // Gloves class gloves extends armor { function __construct($gloves){ $this->set_gloves($gloves); } } // Boots class boots extends armor { function __construct($boots){ $this->set_boots($boots); } } } ?> And here is the php in the armor.php file I have: <?php $head = new armor("Leather Helm"); $torso = new armor("Leather Shirt"); $pants = new armor("Leather Pants"); $gloves = new armor("Chain Mail Gloves"); $boots = new armor("Leather Boots"); echo "You are wearing: " . $head->get_head() . "on your Head"; echo "<br />"; echo "You are wearing: " . $torso->get_torso() . "on your Torso"; echo "<br />"; echo "You are wearing: " . $pants->get_pants() . "on your Legs"; echo "<br />"; echo "You are wearing: " . $gloves->get_gloves() . "on your Hands"; echo "<br />"; echo "You are wearing: " . $boots->get_boots() . "on your Feet"; ?> Any Help in understanding this will be much appreciated. Thanks. You may see a lot of things wrong with the code below, but please bring it to my attention! I'm trying to advance my knowledge on OOP, but I'm trying my best to get the basics down. The below code, after selecting the two characters to fight, the page returns nothing, just blank. I'm pretty sure the error lyes within class_li.php, but I'm not exactly sure. Script is attached. Hello everyone Just found this forum and really need some help. I'm trying to create a popup contact form for my product pages. I managed to get a php form from a random site and i cant get the form to pop up. http://www.e-sol.co.uk/printer-scanner-copier.php If someone could help i would be very grateful. I am trying to save this an an xml document but am getting this error when I try to open the xml file "feed.xml" - "XML Parsing Error: no element found" $xml = '<rss version="2.0"> <channel> <title> RSS Feed</title> <link></link> <description>the best industry-lead opinions</description> <language>en-us</language> </channel> </rss>"; $xml2 = new DOMDocument('1.0'); $xml2->Load($xml); $xml2->save("feed.xml"); Hopefully people here know an easy solution to a problem I'm having. First of all, I'm using a script in Wordpress to retrieve the current url. Then I use a code in a link, adding a little code after it, which would switch the theme of my Wordpress (basically, "currenturlcode&wptheme=Sidebar%20disabled"). It works great, thanks to that, people will remain on the same page they are and switch the theme. However, if that is clicked on the main page, it goes to the 404 page, cause it needs to use "?" instead of "&" in case of that. So what I need help with here, is somehow making my link see if they are on the main page, and if so, adding "?wptheme=Sidebar%20disabled" there, on other cases"&wptheme=Sidebar%20disabled". Hi all. When I typed symbol ' in my textarea , after I submit it and view for what I typed , it will automatically add a slash in front of the ' . Such as the message is "I'm fine" , then it will turn out as "I\'m fine". Can I know what is the problem ? and how can I solve it? Thanks for every reply . Hi there, I have a map of America made in flash, where you click on a state and the page should display the SQL database information for that state in the HTML table - but instead all it shows is the first entry of the database regardless of which state you click and it doesn't display the 2 radio buttons. My code is as follows Flash Actionscript 3 (just showing one state) Code: [Select] function waClick(event:MouseEvent):void { var waURL:URLRequest = new URLRequest("restaurants.php?state=Washington"); navigateToURL(waURL, "_self"); } wa_btn.addEventListener(MouseEvent.CLICK, waClick); PHP code Code: [Select] <?php include("mvfconnect.php"); $theChoice = $_GET['state']; $query = "SELECT * FROM restaurants WHERE" .$theChoice; $result = @ mysql_query($query); if (!$result) { $message="Unfortunately we are having problems with this page, we promise to have it fixed as soon as possible"; die($message); } $num = mysql_num_fields($result); $i=0; while ($row = mysql_fetch_array($result, MYSQL_ASSOC)){ $show1=substr($row['state'],0,50)."..."; $show2=substr($row['city'],0,50)."..."; $show3=substr($row['rname'],0,50)."..."; $show4=substr($row['address'],0,50)."..."; $show5=substr($row['pnum'],0,50)."..."; $show6=substr($row['web'],0,50)."..."; $show7=substr($row['dishes'],0,50)."..."; $show8=substr($row['dish_details'],0,50)."..."; $show9=substr($row['challenges'],0,50)."..."; $show10=substr($row['challenge_details'],0,50)."..."; $show11=substr($row['youtube'],0,50)."..."; $show12=substr($row['images'],0,50)."..."; echo "<tr>". "<td>".$row['city']."</td>". "<td>".$row['rname']."</td>". "<td>".$row['address']."</td>". "<td>".$row['pnum']."</td>". "<td>".$row['web']."</td>". "<td>".$row['dishes']."</td>". "<td>".$row['challenges']."</td>". "<td id='state".$i."' style='display:none'>".$row['state']."</td>". "<td id='city".$i."' style='display:none'>".$row['city']."</td>". "<td id='rname".$i."' style='display:none'>".$row['rname']."</td>". "<td id='address".$i."' style='display:none'>".$row['address']."</td>". "<td id='pnum".$i."' style='display:none'>".$row['pnum']."</td>". "<td id='web".$i."' style='display:none'>".$row['web']."</td>". "<td id='dishes".$i."' style='display:none'>".$row['dishes']."</td>". "<td id='dish_details".$i."' style='display:none'>".$row['dish_details']."</td>". "<td id='challenges".$i."' style='display:none'>".$row['challenges']."</td>". "<td id='challenge_details".$i."' style='display:none'>".$row['challenge_details']."</td>". "<td id='youtube".$i."' style='display:none'>".$row['youtube']."</td>". "<td id='images".$i."' style='display:none'>".$row['images']."</td>". "<td><input type='radio' name='vid' id='vid".$i."' onclick='openVideo(".$i.")' /></td>". "<td><input type='radio' name='pic' id='pic".$i."' onclick='openImage(".$i.")' /></td>". "<td class='last'style='display:none'>".$show1." ".$show2." ".$show3." ".$show4." ".$show5." ".$show6." ".$show7." ".$show8." ".$show9." ".$show10."</td>". "</tr>"; $i++; } ?> I have used this code before and it has worked fine, can someone please help me out! I Have An error on line 42 not sure what it is can any one tell? $foundnum = mysql_num_rows($run); im trying to get this code to determine whether or not the form entered had anything in it, and if it doesn't show an error message and redirect the user back to the form. and if it does have content sumbit it. the problems i've had so far is either it will display the message, and submit the empty form or just not work at all. ill attatch the entire code. Code: [Select] <?php $msg=fopen('data1.txt','r'); $read=fgets($msg); print "\""; echo $read; print "\""; fclose($msg); ?> <?php $submit = $_REQUEST['submit']; $data = $_POST['data']; $file = "data1.txt"; $fp = fopen($file, "w") or die("ohno something went wrong"); if(empty($data)) { echo "no text entered, redirecting... or click <a href=\"index.php\">here</a><meta http-equiv=\"refresh\" content=\"3;url=index.php\" />"; } else($submit == 1) { fwrite($fp, $data); fclose($fp); echo "post submitted, redirecting... or click <a href=\"index.php\">here</a><meta http-equiv=\"refresh\" content=\"3;url=index.php\" />"; } ?> <form name="form" method="post" action="index.php?submit=1"> <textarea name="data" rows="4"></textarea> <input type="submit" value="write" /> </form> i'm getting this erro "Warning: mysql_result() [function.mysql-result]: Unable to jump to row 0 on MySQL result index 3 in /***/***/*****.php on line 278 not an active session, starts new" this is the code: if ($phase = mysql_result(mysql_query("SELECT `phase` FROM `as_support` WHERE `mission` = '$var2'"),0,0)) { if ($phase=='5') { // mysql_query("DELETE FROM `as_support` WHERE `mission` = '$var2'"); // header("Location: https://www.**********/*******/*******.php"); } else { echo date('h:i:s') . ": PHASE is $phase<br />"; echo "\$var1=$var1,\$var2=$var2<br />"; } } else { echo "not an active session, starts new<br />"; echo "\$var1=$var1,\$var2=$var2<br />"; mysql_query("INSERT INTO `as_support` (`mission`, `phase`) VALUES ('$var2', '0')") OR DIE(mysql_error()); the first line is line no. 278 can someone please tell me what to do? tnx shirley |
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