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PHP - Drop Down Choice To Query
I have had nothing but great luck with these forums and I am hoping that I am not pressing said luck by asking another question.
I have a drop down list populated by information in a database: <?php include_once('../other/functions.php'); $con = mysql_connect($hostname, $username, $password) OR DIE ('Unable to connect to database! Please try again later.'); $db = mysql_select_db($dbname, $con); $sql="SELECT owner_id, teamname FROM owners WHERE active = 1 ORDER BY division, teamname"; $result=mysql_query($sql); $options=""; while ($row=mysql_fetch_array($result)) { $id=$row["owner_id"]; $thing=$row["teamname"]; $options.="<OPTION VALUE=\"$id\">".$thing.'</option>'; } mysql_close($con); ?> <SELECT NAME=thing> <OPTION VALUE=0>Choose One <?=$options?> </OPTION> </SELECT> I have a query that will get the information I want into a table: <?php $con = mysql_connect($hostname, $username, $password) OR DIE ('Unable to connect to database! Please try again later.'); $db = mysql_select_db($dbname, $con); $query = "SELECT * FROM standings, owners, divisions WHERE owners.owner_id = standings.owner_id AND owners.division = divisions.division AND standings.owner_id = 1 ORDER BY year"; $result = mysql_query($query); $row = mysql_fetch_array($result); if (!$result) { die('Invalid query: ' . mysql_error()); } mysql_data_seek($result, 0); echo "<table CELLPADDING=5 border =1>"; echo "<tr>"; echo "<th align=center colspan = 2> Team Name </th>"; echo "<th align=center> Team Owner </th>"; echo "<th align=center> Conference </th>"; echo "<th align=center> Division </th>"; echo "</tr>"; echo "<tr>"; echo "<td align=center colspan = 2>".$row['teamname']."</td>"; echo "<td align=center>".$row['firstname']."</td>"; echo "<td align=center>".$row['conference']."</td>"; echo "<td align=center>".$row['division']."</td>"; echo "</tr>"; echo "<tr>"; echo "<th align=center> Year </th>"; echo "<th align=center> Wins </th>"; echo "<th align=center> Losses </th>"; echo "<th align=center> Points For </th>"; echo "<th align=center> Points Against </th>"; echo "</tr>"; $row = mysql_fetch_array($result); while ($row = mysql_fetch_array($result)) { echo "<tr>"; echo "<td align=center>".$row['year']."</td>"; echo "<td align=center>".$row['win']."</td>"; echo "<td align=center>".$row['loss']."</td>"; echo "<td align=center>".$row['points_for']."</td>"; echo "<td align=center>".$row['points_against']."</td>"; echo "</tr>"; } echo "</table>"; mysql_close($con); ?> How do I make it so a user can use the drop down list, select a team name, and the query will then display the info?? Thank you very much Similar TutorialsHello every body....
I'm creating a simple php project where the user will be able to choose option from dropdown menu and the query will be executed accordingly..
The html form is shown below....
<select name='movie_name'> <option value='ALL'>All</option> <option value='blah'>Blah blah </option> <option value='blah'>Blah blah </option> ... </select> <select name='movie_genre'> <option value='ALL'>All</option> <option value='Horror'>Horror</option> <option value='Anime'>Anime</option> ... </select> <select name='movie_cast'> <option value='ALL'>All</option> <option value='john'>john</option> <option value='Katrina'>Blah blah Katrina</option> ... </select>If the user select "ALL" then, all the resuls will be displayed according to the selected options AND again If the user select "different" options then, all the resuls matcing from the database will be shown... Tha database schema is shown below | id | movie_name| movie_genre | movie_cast | 1 | Hello Brother | Comedy | Salman Khan | 2 | Blah blah | ALL | Blah blah | 3 | ALL | ALL | ALL | 4 | Blah Blah | Blah Blah | ALL * here "ALL" is a specific text which may or may not be present in the rows.... Thank u in advance.... I'm restarting this under a new subject b/c I learned some things after I initially posted and the subject heading is no longer accurate. What would cause this behavior - when I populate session vars from a MYSQL query, they stick, if I populate them from an MSSQL query, they drop. It doesn't matter if I get to the next page using a header redirect or a form submit. I have two session vars I'm loading from a MYSQL query and they remain, the two loaded from MSSQL disappear. I have confirmed that all four session vars are loading ok initially and I can echo them out to the page, but when the application moves to next page via redirect or form submit, the two vars loaded from MSSQL are empty. Any ideas? Hi, Can anyone point me in the right direction please? I want to have a drop down box which when a user clicks on a category the results on the page have changed to show only the data which is relative to the category chosen by the user. I also need a way so that when they click view all they are able to see all the results again. Not really sure what to look for or even how hard this might be. Lee Hello, I need help filtering an SQL query based on the combination of drop down menus. I have tried using this code found in another thread but I am still getting all rows selected. Any ideas?? Thank you. Here is my html Code: [Select] <form name="xml.php" method="POST"> <input type="button" id="showmarkers" value="Show Markers" /> <select name="meetingType"> <option value="All Types" selected="All Types">All Types</option> <option value="fun">fun</option> <option value="work">work</option> </select> <select name="meetingDay"> <option value="All Days" selected="All Days">All Days</option> <option value="Monday">Monday</option> <option value="Tuesday">Tuesday</option> <option value="Wednesday">Wednesday</option> <option value="Thursday">Thursday</option> <option value="Friday">Friday</option> <option value="Saturday">Saturday</option> <option value="Sunday">Sunday</option> </select> <select name="meetingTime"> <option value="All Times" selected="All Times">All Times</option> <option value="Early">Early</option> <option value="Noon">Noon</option> <option value="Late">Late</option> </select> </form> And the PHP: Code: [Select] $whereClauses = array(); if (! empty($_POST['meetingType'])) $whereClauses[] ="meetingType='".mysql_real_escape_string($_POST['meetingType'])."'"; if (! empty($_POST['meetingDay'])) $whereClauses[] ="meetingDay='".mysql_real_escape_string($_POST['meetingDay'])."'"; if (! empty($_POST['meetingTime'])) $whereClauses[] ="meetingTime='".mysql_real_escape_string($_POST['meetingTime'])."'"; $where = ''; if (count($whereClauses) > 0) { $where = ' WHERE '.implode(' AND ',$whereClauses); } $resultID = mysql_query("SELECT * FROM meetings".$where); I've got a HTML drop down box as similar to this: <select name="dropdown"> <option>Option 1</option> <option>Option 2</option> <option>Option 3</option> </select> If I run a mysql query and get a result of "Option 3", is there anyway using PHP to give Option 3 the selected value? Hi all,
I am trying to do a query on a database that takes a variable from a html drop down box. I've tried so many different forums and can't find the answers.
HTML PAGE:
<html> Hi there. Im a noob to sql and php not sure if this is right place to post, Im trying to get a dynamic drop down menu to show the 1st column in my sql database the column is called cat and holds category info ie audio, internet, music ect. ( i have no idea how to do lol ) it has taken me 2 days to find and edit this the bold and underline'd bit is what im trying to change with the dropdown menu. Or thinking bout it is there a way to do it with the URL. IE.. page name.php?cat=audio ? would that be easer ? is there any security issues with doing it that way ? Code================================== $db_host = '*******'; $db_user = '******'; $db_pwd = '*****; $database = 'nbbcj_co_uk'; $table = 'penapps'; if (!mysql_connect($db_host, $db_user, $db_pwd)) die("Can't connect to database"); if (!mysql_select_db($database)) die("Can't select database"); // sending query $result = mysql_query("SELECT * FROM {$table} WHERE `cat` = 'audio' LIMIT 10 "); if (!$result) { die("Query to show fields from table failed"); } $fields_num = mysql_num_fields($result); //echo "<h1>Table: {$table}</h1>"; echo "<table border='1' width='100%'><tr>"; // printing table headers for($i=0; $i<$fields_num; $i++) { $field = mysql_fetch_field($result); //echo "<td>{$field->name}</td>"; } echo "</tr>\n"; // printing table rows while($row = mysql_fetch_row($result)) { echo "<tr>"; // $row is array... foreach( .. ) puts every element // of $row to $cell variable foreach($row as $cell) echo "<td>$cell</td>"; echo "</tr>\n"; } mysql_free_result($result); ?> code end ====================== the test page can been seen here http://www.nbbcj.co.uk/testd/1/test1.php Any more questions let me know Thanks for any help you can give, a we all have to start some ware lol thanks kaine. This topic has been moved to Miscellaneous. http://www.phpfreaks.com/forums/index.php?topic=353217.0 Hi, I've been looking around the net and various forums and found that the code below does appear to work and do what I need at a basic level, but I was wondering if there was a quick and easy way to improve this code OR another alternative that would give me similar/better results. I effectively have certain word documents that I want to use as templates for part of a project. So if i were to write a letter I could pull from the DB usual name/address, but also other intelligent information that might be dependant on different DB fields so it could generate different options, ie if they had children it would produce a different sentence?? Obviously my ideal solution would be that the php coding wouldnt need to be touched, but would allow for 'coded options' within the document to be added/removed without causing any issues, maybe some kind of generic coding so at least some content can be re-used for multiple documents ? However, I did have two initial thoughts on how to do some of this - maybe? (be gentle im still a learner!) 1, create an array of somekind and use generic terms for a set range, say 'bookmark1','bookmark2', etc so a user could just tag the original word document knowing they only had to add a new number to the end if they needed to add something new ? 2,read the document contents out -DO STUFF TO IT- load it back into a doc/save. with this method I will have to admit ive not done before so would welcome any extra detailed input or advisory suggestions, ie. ensuring it goes back into the correct format, say there was an image/logo or complicated series or bulleted paragraghs or tables ?? I have initially choosen MS word as many people out there are familiar with this product and is widely used. However, if it means I am able to create something easily and better within some other format or package that will give me what I want but also be compatible with word then im more than happy to go with any suggestions (ie templates initially created within openoffice and merely saved into .DOC format?) <?php //1. Instanciate Word $word = new COM("word.application") or die("Unable to instantiate Word"); //2. specify the MS Word template document (with Bookmark TODAYDATE inside) $template_file = "C:/t.doc"; //3. open the template document $word->Documents->Open($template_file); //4. get the current date MM/DD/YYYY $current_date = date("m/d/Y"); //5. get the bookmark and create a new MS Word Range (to enable text substitution) $bookmarkname = "mytester"; $objBookmark = $word->ActiveDocument->Bookmarks($bookmarkname); $range = $objBookmark->Range; //6. now substitute the bookmark with actual value $range->Text = $current_date; //7. save the template as a new document (c:/reminder_new.doc) $new_file = "c:/reminder_new.doc"; $word->Documents[1]->SaveAs($new_file); //8. free the object $word->Quit(); //$word->Release(); $word = null; ?> Hi, I just want to put up a simple page that has an NDA to which someone can either "agree" or "disagree" and then automatically be forwarded to specific pages accordingly (google and yahoo are just there for testing). Problem is that I keep getting and "Undefined Index" for both "agree" and "disagree". What am I doing wrong? Here is my code: Code: [Select] <form id="nda" name="nda" method="post" action=""> <input type="submit" name="agree" value="I agree" /> <input type="submit" name="disagree" value="I disagree" /> </form> <?php if($_POST['agree']){ header("Location: http://www.google.com"); } else if ($_POST['disagree']){ header("Location: http://www.yahoo.com"); } ?> Thanks! Hi Guys, What I'm aiming for is a random choice generator from a list of variables, and when that choice is chosen, it redirects to a new page. Eg. Random Choice Generator spits out "John Smith" -- Browser redirects to "John Smith's" character card. Below I have the PHP script for the random choice (I think, I'm a total PHP noob!), I'm just having trouble with the redirect part. Any light you could shed would be much appreciated! And also, I do believe this code is just for one choice, would I just need to duplicate it x amount of times? Code: [Select] <?php $stats[1] = 0; $stats[2] = 0; $stats[3] = 0; for ($i = 0; $i < 1000; $i++){ $choice = rand(1,3); if (!$i){ echo "First random choice: $choice<BR>\n"; } $stats[$choice]++; } reset($stats); while (list($num, $count) = each($stats)){ echo "$num: $count<BR>\n"; } ?> Thanks, Jack Greetings, In this form, I am using radio buttons to select various PHP math function results (total, average,both) and it works but was wondering if it is possible to make it multiple choice, that is to say instead of displaying one result at t time when you submit, displaying two or three of the results, depending on how many radio buttons are clicked. Can this be done? Here is the form code <form action="." method="post"> <input type="hidden" name="action" value="process_scores" /> <label>Score 1:</label> <input type="text" name="scores[]" value="<?php echo $scores[0]; ?>"/><br /> <label>Score 2:</label> <input type="text" name="scores[]" value="<?php echo $scores[1]; ?>"/><br /> <label>Score 3:</label> <input type="text" name="scores[]" value="<?php echo $scores[2]; ?>"/><br /> <!-- ADD LOGIC TO DETERMINE WHETHER TO CALCULATE AVERAGE, TOTAL OR BOTH --> <fieldset> <legend> What do you want to calculate?</legend> <p> <input type="radio" name="calculate" value="average" checked="checked" /> Average<br /> <input type="radio" name="calculate" value="total" />Total<br /> <input type="radio" name="calculate" value="both" />Both</p> <p><br /> </p> </fieldset> <br /><br /> <label> </label> <input type="submit" value="Process Scores" /><br /> <label>Scores:</label> <span><?php if (isset($scores_string)) { echo $scores_string; } ?></span><br /> <label>Score Total:</label> <span><?php if (isset($score_total)) { echo $score_total; } ?></span><br /> <label>Average Sco </label> <span><?php if (isset($score_average)) { echo $score_average; } ?></span><br /> </form> and the processing code <?php if (isset($_POST['action'])) { $action = $_POST['action']; } else { $action = 'start_app'; } if (isset($_POST['calculate'])) { $calculate = $_POST['calculate']; } switch ($action) { case 'start_app': $scores = array(); $scores[0] = 70; $scores[1] = 80; $scores[2] = 90; break; case 'process_scores': $scores = $_POST['scores']; // validate the scores $is_valid = true; for ($i = 0; $i < count($scores); $i++) { if (empty($scores[$i]) || !is_numeric($scores[$i])) { $scores_string = 'You must enter three valid numbers for scores.'; $is_valid = false; break; } } if (!$is_valid) { break; } // process the scores $scores_string = ''; $score_total = 0; foreach ($scores as $s) { $scores_string .= $s . '|'; $score_total += $s; } $scores_string = substr($scores_string, 0, strlen($scores_string)-1); // calculate the average $score_average = $score_total / count($scores); // format the total and average switch($calculate) { case 'average': $score_average = number_format($score_average, 2); $score_total = ""; break; case 'total': $score_average = ""; $score_total = number_format($score_total, 2); break; case 'both': $score_total = number_format($score_total, 2); $score_average = number_format($score_average, 2); break; } break; } include 'loop_tester.php'; ?> I have a multiple choice search page which asks visitors to select one or more choices before rendering the search results. It only works in items 1+2 are selected, or 1+2+3, or 1+2+3+4, or 1+2+3+4, etc... I want to make it so that any combination of choices work. Example: Items 1+6 or 2+3+5 or 1+4+6 etc... I have four hours to fix it before my client shows up and need help BADLY. Anyone out there who can help? Whoever can help me... you are the best and I will have a special prayer for you tonight. Here is the coding: <?php } else{ if(!empty($_GET['latt']) && !empty($_GET['long'])) { $condition="SELECT ( 3959 * acos( cos( radians( '".$_GET['latt']."' ) ) * cos( radians( latitude ) ) * cos( radians( longitude ) - radians( '".$_GET['long']."' ) ) + sin( radians( '".$_GET['latt']."' ) ) * sin( radians( latitude ) ) ) ) as distance,id,membership FROM notary_members "; if(!empty($_GET['s'])) { $a=" where and"; } else { $a=" where"; } if($_GET['edoc']!='') { $condition.=$a." edoc= 'yes'"; } if($_GET['esign']!='') { if($_GET['edoc']!='') $condition.=" and esign= 'yes'"; else $condition.=$a." esign= 'yes'"; } if($_GET['laserprinter']!='') { if($_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and laserprinter= 'yes'"; else $condition.=" laserprinter= 'yes'"; } if($_GET['dualtray']!='') { if( $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and dualtray= 'yes'"; else $condition.=" dualtray= 'yes'"; } if($_GET['error_in']!='') { if($_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and error_in= 'yes'"; else $condition.=" error_in= 'yes'"; } if($_GET['bg_checked']!='') { if($_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and bg_checked= 'yes'"; else $condition.=" bg_checked= 'yes'"; } if($_GET['home_insp']!='') { if($_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and home_insp= 'yes'"; else $condition.=" home_insp= 'yes'"; } if($_GET['fingerprint']!='') { if($_GET['home_insp']!='' || $_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and fingerprint= 'yes'"; else $condition.=" fingerprint= 'yes'"; } if($_GET['hosp_signing']!='') { if($_GET['fingerprint']!='' || $_GET['home_insp']!='' || $_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and hosp_signing= 'yes'"; else $condition.=" hosp_signing= 'yes'"; } if($_GET['jail_signing']!='') { if($_GET['hosp_signing']!='' || $_GET['fingerprint']!='' || $_GET['home_insp']!='' || $_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and jail_signing= 'yes'"; else $condition.=" jail_signing= 'yes'"; } if($_GET['im_docs']!='') { if($_GET['jail_signing']!='' || $_GET['hosp_signing']!='' || $_GET['fingerprint']!='' || $_GET['home_insp']!='' || $_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='') $condition.=" and im_docs= 'yes'"; else $condition.=" im_docs= 'yes'"; } if($_GET['jail_signing']!='' || $_GET['hosp_signing']!='' || $_GET['fingerprint']!='' || $_GET['home_insp']!='' || $_GET['bg_checked']!='' || $_GET['error_in']!='' || $_GET['dualtray']!='' || $_GET['laserprinter']!='' || $_GET['esign']!='' || $_GET['edoc']!='' || $_GET['im_docs']!='') { $condition.=" and status=1 order by distance asc"; } else { $condition.=$a." status=1 order by distance asc"; } $sql=mysql_query($condition); $num=mysql_num_rows($sql); $getmile=explode(' ',$_GET['miles']); $c=0; while($getidres=mysql_fetch_array($sql)) { if($getidres['distance']<=$getmile[0]) { if($getidres['membership']=='premium') { $prefirst[$getidres['id']]=$getidres['distance']; $c++; } else { $basicfirst[$getidres['id']]=$getidres['distance']; $c++; } } } if(!empty($sql)) { if($c!=0) { if(!empty($prefirst) || !empty($basicfirst)) { ?> Well lately I've decided to split the big script in admin.php(admin control panel file) into several smaller script files such as admin_index.php, admin_settings.php and admin_createuser.php. I was thinking about this idea of locating all menus/submenus to the left hand side of the page and use an iframe to load info from any admin script files. This way the admin can access everything without having to be directed to a different url. I believe this is what Vbulletin has been doing for its ACP(they may have used javascript though), and I have a few questions to ask: 1. Is this a feasible idea, especially if I choose not to use javascript? 2. Is it safe to design admin control panel this way for a PHP script? If not, please lemme know possible security issues? 3. Is it possible to restrict direct access to other admin type script files, but allow access if they are loaded in iframe? Please do lemme know, thanks. I am pretty new to using php and mysql and am struggling to understand how to go about processing a multiple choice quiz script to check if the answer given by the user is right or wrong and give the user the final result . I understand how to write and process register pages and login scripts and the like but for some reason I just can't understand what i need to do for this type of script So far my thinking has been 1) When the page is submitted have a query that compares the answer selected to the answer in the database. 2) Have php variables for correct and and incorrect both initialised to 0 and which will change depending on the answers given. 3) Use an if else statement similar to the code below to add up the score : - if($result['answer']==$_POST[$result['id']]){ $correct_answer++; }else{ $incorrect_answer++; } 4) Have a query that enters the person taking the quiz's grade in to the database. I would really appreciate it someone could give me some guidance for the best way to do this. I have included below my code for selecting the questions form the database.
<?php
// Starts the session
session_start();
/*
*/
if (!isset($_SESSION['user_level']) or ($_SESSION['user_level'] != 0))
{
header("Location: error_page.php");
exit();
}
?>
<?php
require_once ('mysqli_connect.php');
$email_address = ['email_address'];
$quizGradeBegan=("INSERT INTO learner_grade_db( email_address, score, )VALUES ('$email_address',0) ");
$result=@mysqli_query($dbcon, $submittedAnswerQuery);
if(isset($_SESSION['email_address'])){
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Q-Quiz: Learner Homepage</title>
<link rel="stylesheet" href="sdnt.css" />
</head>
<body>
<div class="wrapper"> <!-- Start of wrapper div -->
<div class="header"> <!-- Start of header div -->
<h1>e-Quiz: <br> Learner Homepage</h1>
<?php
//Makes a call to includes/leaner_nav.php in order to show The Learner Navigation Bar
require_once("includes/learner_nav.php");
//Makes a call to includes/welcome_name.php in order to show the Learners name.
require_once("includes/welcome_name.php");
/*Makes a call to includes/current_date in order to shows the current date.
Will appear in the Day Month Year Format.*/
require_once("includes/current_date.php");
?>
<!-- Shows the Change text size images -->
<div id="textSizer"><!-- Start of the textSizer div -->
<img id="smallStyler" class="textSize" src="imgs/fontSmall.jpg" height="18" width="18" alt="Smallest" />
<img id="mediumStyler" class="textSize" src="imgs/fontMedium.jpg" height="18" width="18" alt="Default" />
<img id="largeStyler" class="textSize" src="imgs/fontLarge.jpg" height="18" width="18" alt="Biggest" />
</div> <!-- End of textsizer div -->
</div><!-- End of Header div -->
<div class="article"> <!-- Start of the article div -->
<?php
$query=("SELECT question_id, question, distractor_1, distractor_2, distractor_3, distractor_4 FROM multiplechoice_db ORDER BY RAND() LIMIT 3 " );
$result = @mysqli_query ($dbcon, $query); // Run the query.
while($row = mysqli_fetch_array($result, MYSQL_BOTH)):?>
<br>
<form action="gradepage.php" method="post">
<?php echo $row['question_id'];?>
<br>
<?php echo $row['question'];?>
<br>
<input type="radio" value="1" id=' distractor <?php echo $row['question_id'];?>' name ='<?php echo $row['question_id'];?>'/><?php echo $row['distractor_1'];?>
<br>
<input type="radio" value="2" id=' distractor <?php echo $row['question_id'];?>' name ='<?php echo $row['question_id'];?>'/><?php echo $row['distractor_2'];?>
<br>
<input type="radio" value="3" id=' distractor <?php echo $row['question_id'];?>' name ='<?php echo $row['question_id'];?>'/><?php echo $row['distractor_3'];?>
<br>
<input type="radio" value="4" id=' distractor <?php echo $row['question_id'];?>' name ='<?php echo $row['question_id'];?>'/><?php echo $row['distractor_4'];?>
<br>
<?php endwhile;?>
<p> <input id="submit" type="submit" name="submit" value="Click To Submit Completed Quiz "></>
</div> <!-- End of the article div -->
<div class="aside"> <!-- Start of the aside div -->
<ul class="nav2">
<?php
//Makes a call to includes/leanersidebar1.php in order to show The Learner Sidebar
require_once("includes/learnersidebar1.php");
?>
</ul>
<br><br><br><br><br>
</div> <!-- End of the aside div -->
<div class="footer "><!-- Start of the footer div -->
<?php
//Makes a call to includes/footer.php in order to show the Footer
require_once("includes/footer.php");
?>
</div><!-- End of the footer div -->
</div><!-- End of the wrapper div -->
</body>
<html>
Here is my code: // Start MySQL Query for Records $query = "SELECT codes_update_no_join_1b" . "SET orig_code_1 = new_code_1, orig_code_2 = new_code_2" . "WHERE concat(orig_code_1, orig_code_2) = concat(old_code_1, old_code_2)"; $results = mysql_query($query) or die(mysql_error()); // End MySQL Query for Records This query runs perfectly fine when run direct as SQL in phpMyAdmin, but throws this error when running in my script??? Why is this??? Code: [Select] 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 '= new_code_1, orig_code_2 = new_code_2WHERE concat(orig_code_1, orig_c' at line 1 Hello all,
Based on the suggestion of you wonderful folks here, I went away for a few days (to learn about PDO and Prepared Statements) in order to replace the MySQLi commands in my code. That's gone pretty well thus far...with me having learnt and successfully replaced most of my "bad" code with elegant, SQL-Injection-proof code (or so I hope).
The one-and-only problem I'm having (for now at least) is that I'm having trouble understanding how to execute an UPDATE query within the resultset of a SELECT query (using PDO and prepared statements, of course).
Let me explain (my scenario), and since a picture speaks a thousand words I've also inlcuded a screenshot to show you guys my setup:
In my table I have two columns (which are essentially flags i.e. Y/N), one for "items alreay purchased" and the other for "items to be purchased later". The first flag, if/when set ON (Y) will highlight row(s) in red...and the second flag will highlight row(s) in blue (when set ON).
I initially had four buttons, two each for setting the flags/columns to "Y", and another two to reverse the columns/flags to "N". That was when I had my delete functionality as a separate operation on a separate tab/list item, and that was fine.
Now that I've realized I can include both operations (update and delete) on just the one tab, I've also figured it would be better to pare down those four buttons (into just two), and set them up as a toggle feature i.e. if the value is currently "Y" then the button will set it to "N", and vice versa.
So, looking at my attached picture, if a person selects (using the checkboxes) the first four rows and clicks the first button (labeled "Toggle selected items as Purchased/Not Purchased") then the following must happen:
1. The purchased_flag for rows # 2 and 4 must be switched OFF (set to N)...so they will no longer be highlighted in red.
2. The purchased_flag for row # 3 must be switched ON (set to Y)...so that row will now be highlighted in red.
3. Nothing must be done to rows # 1 and 5 since: a) row 5 was not selected/checked to begin with, and b) row # 1 has its purchase_later_flag set ON (to Y), so it must be skipped over.
Looking at my code below, I'm guessing (and here's where I need the help) that there's something wrong in the code within the section that says "/*** loop through the results/collection of checked items ***/". I've probably made it more complex than it should be, and that's due to the fact that I have no idea what I'm doing (or rather, how I should be doing it), and this has driven me insane for the last 2 days...which prompted me to "throw in the towel" and seek the help of you very helpful and intellegent folks. BTW, I am a newbie at this, so if I could be provided the exact code, that would be most wonderful, and much highly appreciated.
Thanks to you folks, I'm feeling real good (with a great sense of achievement) after having come here and got the great advice to learn PDO and prepared statements.
Just this one nasty little hurdle is stopping me from getting to "end-of-job" on my very first WebApp. BTW, sorry about the long post...this is the best/only way I could clearly explaing my situation.
Cheers guys!
case "update-delete":
if(isset($_POST['highlight-purchased']))
{
// ****** Setup customized query to obtain only items that are checked ******
$sql = "SELECT * FROM shoplist WHERE";
for($i=0; $i < count($_POST['checkboxes']); $i++)
{
$sql=$sql . " idnumber=" . $_POST['checkboxes'][$i] . " or";
}
$sql= rtrim($sql, "or");
$statement = $conn->prepare($sql);
$statement->execute();
// *** fetch results for all checked items (1st query) *** //
$result = $statement->fetchAll();
$statement->closeCursor();
// Setup query that will change the purchased flag to "N", if it's currently set to "Y"
$sqlSetToN = "UPDATE shoplist SET purchased = 'N' WHERE purchased = 'Y'";
// Setup query that will change the purchased flag to "Y", if it's currently set to "N", "", or NULL
$sqlSetToY = "UPDATE shoplist SET purchased = 'Y' WHERE purchased = 'N' OR purchased = '' OR purchased IS NULL";
$statementSetToN = $conn->prepare($sqlSetToN);
$statementSetToY = $conn->prepare($sqlSetToY);
/*** loop through the results/collection of checked items ***/
foreach($result as $row)
{
if ($row["purchased"] != "Y")
{
// *** fetch one row at a time pertaining to the 2nd query *** //
$resultSetToY = $statementSetToY->fetch();
foreach($resultSetToY as $row)
{
$statementSetToY->execute();
}
}
else
{
// *** fetch one row at a time pertaining to the 2nd query *** //
$resultSetToN = $statementSetToN->fetch();
foreach($resultSetToN as $row)
{
$statementSetToN->execute();
}
}
}
break;
}
CRUD Queston.png 20.68KB
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If you also have any feedback on my code, please do tell me. I wish to improve my coding base. Basically when you fill out the register form, it will check for data, then execute the insert query. But for some reason, the query will NOT insert into the database. In the following code below, I left out the field ID. Doesn't work with it anyways, and I'm not sure it makes a difference. Code: Code: [Select] mysql_query("INSERT INTO servers (username, password, name, type, description, ip, votes, beta) VALUES ($username, $password, $name, $server_type, $description, $ip, 0, 1)"); Full code: Code: [Select] <?php include_once("includes/config.php"); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title><? $title; ?></title> <meta http-equiv="Content-Language" content="English" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <link rel="stylesheet" type="text/css" href="style.css" media="screen" /> </head> <body> <div id="wrap"> <div id="header"> <h1><? $title; ?></h1> <h2><? $description; ?></h2> </div> <? include_once("includes/navigation.php"); ?> <div id="content"> <div id="right"> <h2>Create</h2> <div id="artlicles"> <?php if(!$_SESSION['user']) { $username = mysql_real_escape_string($_POST['username']); $password = mysql_real_escape_string($_POST['password']); $name = mysql_real_escape_string($_POST['name']); $server_type = mysql_real_escape_string($_POST['type']); $description = mysql_real_escape_string($_POST['description']); if(!$username || !$password || !$server_type || !$description || !$name) { echo "Note: Descriptions allow HTML. Any abuse of this will result in an IP and account ban. No warnings!<br/>All forms are required to be filled out.<br><form action='create.php' method='POST'><table><tr><td>Username</td><td><input type='text' name='username'></td></tr><tr><td>Password</td><td><input type='password' name='password'></td></tr>"; echo "<tr><td>Sever Name</td><td><input type='text' name='name' maxlength='35'></td></tr><tr><td>Type of Server</td><td><select name='type'> <option value='Any'>Any</option> <option value='PvP'>PvP</option> <option value='Creative'>Creative</option> <option value='Survival'>Survival</option> <option value='Roleplay'>RolePlay</option> </select></td></tr> <tr><td>Description</td><td><textarea maxlength='1500' rows='18' cols='40' name='description'></textarea></td></tr>"; echo "<tr><td>Submit</td><td><input type='submit'></td></tr></table></form>"; } elseif(strlen($password) < 8) { echo "Password needs to be higher than 8 characters!"; } elseif(strlen($username) > 13) { echo "Username can't be greater than 13 characters!"; } else { $check1 = mysql_query("SELECT username,name FROM servers WHERE username = '$username' OR name = '$name' LIMIT 1"); if(mysql_num_rows($check1) < 0) { echo "Sorry, there is already an account with this username and/or server name!"; } else { $ip = $_SERVER['REMOTE_ADDR']; mysql_query("INSERT INTO servers (username, password, name, type, description, ip, votes, beta) VALUES ($username, $password, $name, $server_type, $description, $ip, 0, 1)"); echo "Server has been succesfully created!"; } } } else { echo "You are currently logged in!"; } ?> </div> </div> <div style="clear: both;"> </div> </div> <div id="footer"> <a href="http://www.templatesold.com/" target="_blank">Website Templates</a> by <a href="http://www.free-css-templates.com/" target="_blank">Free CSS Templates</a> - Site Copyright MCTop </div> </div> </body> </html> I'm trying to update every record where one field in a row is less than the other. The code gets each row i'm looking for and sets up the query right, I hope I combined the entire query into one string each query seperated by a ; so it's like UPDATE `table` SET field2= '1' WHERE field1= '1';UPDATE `table` SET field2= '1' WHERE field1= '2';UPDATE `table` SET field2= '1' WHERE field1= '3';UPDATE `table` SET field2= '1' WHERE field1= '4';UPDATE `table` SET field2= '1' WHERE field1= '5'; this executes properly if i run the query in phpMyAdmin, however when I run the query in PHP, it does nothing... Any advice? |
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