This is my Entire Code:
<?php
$query = "SELECT category FROM html where id = '1' ";
$result = mysql_query($query);
//while loop to display mysql table field values in html text boxes
$i = 0;
while ($row = mysql_fetch_row($result)) {
$count = count($row);
$y = 0;
while ($y < $count) {
$c_row = current($row);
next($row);
$y = $y + 1;
}
$i = $i + 1;
$category = $c_row;
}
echo $category;
?>
I am showing the value of $categories variable using this code given below:
Categories ( '. $categories; .' )
Actaully, the above code including to is not directly written in php
web page. The code "Categories ( '. $categories; .' ) " is containing in the data base. Therefore $categories; cannot be parsed.
What I need is to show the Value:
Eg, if $categories = Books and Shelf;
I need, Categories ( '. $categories; .' ) :- Categories (Books and Shelf)
The $categories; value is already obtained in the php page before selecting from Mysql Table.
How can I parse php variable inserted in Mysql Row?
Categories ( '. $categories; .' ) :- The complete html tag is putted in the data base. The complete html code in the Mysql DB.
I'd like to know why you are storing variable references like that in your db but to solve it you could simply do something like this:
/*
assuming $string contains EXACTLY this
<h4>Categories ( '. $categories; .' ) </h4>
*/
echo str_replace('\'. $categories; .\'',$categories, $string);
If you commonly need to do word replacement on strings stored in a database I would recommend one of the following instead:
1) Use sprintf() and store your string like this:
$string = '<h4>Categories ( %s ) </h4>';
echo sprintf($string, $categories);
2) Use str_replace() and format string with braces around replacements:
$string = '<h4>Categories ( {categories} ) </h4>';
echo str_replace('{categories}', $categories, $string);
The benefit of that last one is you could store all kinds of variable references and replace them accordingly without having to know if they exist in the string:
$string = 'Hello, my name is {firstname} and I live in {city}, {state}';
$replace = ['{firstname}','{lastname}','{address}','{city}','{state}'];
$info = [
'firstname' => 'john',
'lastname' => 'doe',
'address' => '123 main st',
'city' => 'somewhere',
'state' => 'IL'
];
echo str_replace($replace, $info, $string);
OUTPUT: Hello, my name is john and I live in somewhere, IL
A rewrite of your code:
1) Stop using MySQL_ fuctions, they are deprecated, insecure and should not be used. There are two alternatives; mysqli_ functions (Object orientated or Procedural) or PDO functionality (object orientated only)
2) Your question appears uclear, is your <h4> tag within <?php tags or is it just HTML? To output PHP you need to wrap the print/echo article in <?php tags to tell the server how to process this section of the code.
Likewise, you need to be sure the page is pocessed as a PHP page rather than just as an HTML page. So does the page name end with .php (such as page.php)?
3) For clarity: while ($row = mysql_fetch_row($result)) will only ever output one row at a time, each MySQL row with hold numerous columns.
4) It's very useful for you to indent your brackets correctly, typing four spaces (not tab) for each bracket contents, as exampled a litte bit below.
5) Your While loops are confused; you have too any brackets. Your value $c_row will only ever be the final value found in the row, but the row will only ever have one unqiue value in it -- that of the category column, because that's what's specified in the SQL query.
Rewrite:
/***
* Fill with your own values, Address is usually 'Localhost'
***/
// connction details:
$conn = mysqli_connect(Address, User, Password, Database);
// A numeric column (id) does not need values to be quoted.
$query = "SELECT category FROM html where id = 1 ";
// note the mysqli_ and use of new $conn variable setout above
$result = mysqli_query($conn, $query);
/***
* Typical output from the above for returning two rows from
* the DB would be:
* $result[0]['category'] = "whatever_value"
* $result[0][0] = "whatever_value"
* $result[1]['category'] = "whatever_value_row2"
* $result[1][0] = "whatever_value_row2"
***/
// This will fetch all the rows, one row at a time,
// with array keys being the SQL column names
// (ignores numeric array keys).
while ($row = mysqli_fetch_array($result, MYSQLI_ASSOC))
{
// use definite named array key selectors to not need counters.
$category = $row['category'];
echo $category;
}
That would give you an output:
whatever_value
whatever_value_row2
To make your <h4> work as expected you can try replacing your echo with:
print "<h4>Categories ( ". $category; ." ) </h4>";
Related
I know how to get a mysql-row and convert it to json:
$row = mysqli_fetch_assoc(mysqli_query($db, "SELECT * FROM table WHERE id=1"));
echo json_encode($row); // it's an ajax-call
but:
the db-row has different types like int, float, string.
by converting it using json_encode() all results are strings.
Is there a better way to correct the types than this:
$row['floatvalue1'] = 0+$row['floatvalue1'];
$row['floatvalue2'] = 0+$row['floatvalue2'];
$row['intvalue1'] = 0+$row['intvalue1'];
I would like to loop through the keys and add 0 because:
first coding rule: DRY - dont repeat yourself
but i can't because:
row has also other types than numbers (string, date)
there are many columns
design is in dev, so columns-names often changes
Thanks in advance and excuse my bad english :-)
EDIT (to answer the comment-question from Casimir et Hippolyte):
I call this php-code using ajax to get dynamically sql-values. in my javascript-code i use the results like this:
result['intvalue1'] += 100;
lets say the json-result of intval1 is 50, the calculated result is:
"50100", not 150
The code below is just a proof of concept. It needs encapsulation in a function/method and some polishing before using it in production (f.e. call mysqli_fetch_field() in a loop and store the objects it returns before processing any row, not once for every row).
It uses the function mysqli_fetch_field() to get information about each column of the result set and converts to numbers those columns that have numeric types. The values of MYSQLI_TYPE_* constants can be found in the documentation page of Mysqli predefined constants.
// Get the data
$result = mysqli_query($db, "SELECT * FROM table WHERE id=1");
$row = mysqli_fetch_assoc($result);
// Fix the types
$fixed = array();
foreach ($row as $key => $value) {
$info = mysqli_fetch_field($result);
if (in_array($info->type, array(
MYSQLI_TYPE_TINY, MYSQLI_TYPE_SHORT, MYSQLI_TYPE_INT24,
MYSQLI_TYPE_LONG, MYSQLI_TYPE_LONGLONG,
MYSQLI_TYPE_DECIMAL,
MYSQLI_TYPE_FLOAT, MYSQLI_TYPE_DOUBLE
))) {
$fixed[$key] = 0 + $value;
} else {
$fixed[$key] = $value;
}
}
// Compare the results
echo('all strings: '.json_encode($row)."\n");
echo('fixed types: '.json_encode($fixed)."\n");
something like
$row['floatvalue1'] = reset( sscanf ( $row['floatvalue1'] , "%f" ));
$row['floatvalue2'] = reset( sscanf ( $row['floatvalue2'] , "%f" ));
$row['intvalue1'] = reset( sscanf ( $row['intvalue1'] , "%d" ));
json_encode($row);
If you're simply trying to make sure that your values are operable with respect to their type, you need to first cast their type correctly.
Unless you need them server-side, I would just pass-on the json directly to the front-end and do the work there.
In Javascript, you could make an attempt at casting the numbers like so:
function tryNumber(string){
return !isNaN( parseInt(string) ) ? parseInt(string) : string;
}
function tryDate(string){
return !isNaN( new Date(string).getTime() ) ? new Date(string) : string;
}
tryNumber('foo'); // "hello"
tryNumber('24'); // 24
tryDate('bar'); // "bar"
tryDate('December 17, 1995'); // "Sun Dec 17 1995 00:00:00 GMT+0000 (GMT)"
These two lines attempt to cast the values as a Date/Number. If they can't be cast, they will remain String's.
A MySQLi OO version based on #axiac's answer, that produces a JSON array ($jsnAll) containing all records. In this code snippet, the method FixSQLType is called to fix a row. Note, it should be wrapped in a try{}catch{} block and "objMySQLi" has already been instantiated:
$lcAllRows = array();
// Make an SQL SELECT statement
$SQL = "SELECT * FROM $lcName WHERE $lcWhere";
// Run the query
$this->sqlResult = $this->objMySQLi->query($SQL);
// Fetch the result
while( $row = $this->sqlResult->fetch_assoc()){
$lcCount = count($lcAllRows) ;
// Call to fix, row
$fixedRow = $this->FixSQLType($row);
$lcAllRows[$lcCount]= $fixedRow;
}
$jsnAll = json_encode($lcAllRows);
The FixSQLType method. This is almost identical to #axiac's answer, except for the call to $this->sqlResult->fetch_field_direct($i). "fetch_field" seemed to get itself lost, using "fetch_field_direct" overcame that problem.
private function FixSQLType($pRow){
// FROM https://stackoverflow.com/a/28261996/7571029
// Fix the types
$fixed = array();
$i = 0;
foreach ($pRow as $key => $value) {
$info = $this->sqlResult->fetch_field_direct($i);
$i++;
if (in_array($info->type, array(
MYSQLI_TYPE_TINY, MYSQLI_TYPE_SHORT, MYSQLI_TYPE_INT24,
MYSQLI_TYPE_LONG, MYSQLI_TYPE_LONGLONG,
MYSQLI_TYPE_DECIMAL,
MYSQLI_TYPE_FLOAT, MYSQLI_TYPE_DOUBLE
))) {
$fixed[$key] = 0 + $value;
} else {
$fixed[$key] = $value;
}
}
return $fixed;
}
How do I go about getting the most popular words from multiple content tables in PHP/MySQL.
For example, I have a table forum_post with forum post; this contains a subject and content.
Besides these I have multiple other tables with different fields which could also contain content to be analysed.
I would probably myself go fetch all the content, strip (possible) html explode the string on spaces. remove quotes and comma's etc. and just count the words which are not common by saving an array whilst running through all the words.
My main question is if someone knows of a method which might be easier or faster.
I couldn't seem to find any helpful answers about this it might be the wrong search patterns.
Somebody's already done it.
The magic you're looking for is a php function called str_word_count().
In my example code below, if you get a lot of extraneous words from this you'll need to write custom stripping to remove them. Additionally you'll want to strip all of the html tags from the words and other characters as well.
I use something similar to this for keyword generation (obviously that code is proprietary). In short we're taking provided text, we're checking the word frequency and if the words come up in order we're sorting them in an array based on priority. So the most frequent words will be first in the output. We're not counting words that only occur once.
<?php
$text = "your text.";
//Setup the array for storing word counts
$freqData = array();
foreach( str_word_count( $text, 1 ) as $words ){
// For each word found in the frequency table, increment its value by one
array_key_exists( $words, $freqData ) ? $freqData[ $words ]++ : $freqData[ $words ] = 1;
}
$list = '';
arsort($freqData);
foreach ($freqData as $word=>$count){
if ($count > 2){
$list .= "$word ";
}
}
if (empty($list)){
$list = "Not enough duplicate words for popularity contest.";
}
echo $list;
?>
I see you've accepted an answer, but I want to give you an alternative that might be more flexible in a sense: (Decide for yourself :-)) I've not tested the code, but I think you get the picture. $dbh is a PDO connection object. It's then up to you what you want to do with the resulting $words array.
<?php
$words = array();
$tableName = 'party'; //The name of the table
countWordsFromTable($words, $tableName)
$tableName = 'party2'; //The name of the table
countWordsFromTable($words, $tableName)
//Example output array:
/*
$words['word'][0] = 'happy'; //Happy from table party
$words['wordcount'][0] = 5;
$words['word'][1] = 'bulldog'; //Bulldog from table party2
$words['wordcount'][1] = 15;
$words['word'][2] = 'pokerface'; //Pokerface from table party2
$words['wordcount'][2] = 2;
*/
$maxValues = array_keys($words, max($words)); //Get all keys with indexes of max values of $words-array
$popularIndex = $maxValues[0]; //Get only one value...
$mostPopularWord = $words[$popularIndex];
function countWordsFromTable(&$words, $tableName) {
//Get all fields from specific table
$q = $dbh->prepare("DESCRIBE :tableName");
$q->execute(array(':tableName' = > $tableName));
$tableFields = $q->fetchAll(PDO::FETCH_COLUMN);
//Go through all fields and store count of words and their content in array $words
foreach($tableFields as $dbCol) {
$wordCountQuery = "SELECT :dbCol as word, LENGTH(:dbCol) - LENGTH(REPLACE(:dbCol, ' ', ''))+1 AS wordcount FROM :tableName"; //Get count and the content of words from every column in db
$q = $dbh->prepare($wordCountQuery);
$q->execute(array(':dbCol' = > $dbCol));
$wrds = $q->fetchAll(PDO::FETCH_ASSOC);
//Add result to array $words
foreach($wrds as $w) {
$words['word'][] = $w['word'];
$words['wordcount'][] = $w['wordcount'];
}
}
}
?>
I want to run a query that gets all the data from a database then have the data split into arrays for each column. With this I intend to dynamically populate html. I am not very experienced with php and could use some assistance with how to put my query into multiple arrays depending on what column it was in.
Example: For the column name I want an array $itemName[] and it will contain every item name in asc order. Then for the image column I want an array $itemImage[] for every image/image url in the same order.
With this I plan to run a for loop where as x increases it will go through each diff array and pull from the specified location. There are no null values in my DB so I don't need to worry about that.
Any help you can give me with the writing the query into multiple arrays based on the column name is appreciated.
$mPos = array(mPos1, mPos2, mPos3, mPos4);
for (x=0; x<4; x++){
echo "<div class="$mPos[x]"> <div class="$mPos[x] . '_1'">"$title[x]"</div><div class="$mPos1 . '_2'">"$image[x]"</div>
Still doesn't make sense for me to separate it that way, but here you go.
Since you didn't provide a database/table structure, I will assume your db table got the following columns:
itemId | itemName | itemImage | itemDescription
In PHP you loop through the result row for row and populate your arrays like
foreach ( $result AS $row ) {
$itemNames[$row->itemId] = $row->itemName;
$itemImages[$row->itemId] = $row->itemImage;
$itemDescriptions[$row->itemId] = $row->itemDescription;
}
EDIT: After question was updated and now includes the HTML output, I'd suggest something like this.
foreach ( $result AS $row ) {
$items[$row->itemId] = array(
'name' => $row->itemName,
'image' => $row->itemImage,
'description' => $row->itemDescription,
'price' => $row->itemPrice,
'link' => $row->itemLink,
);
}
$x = 0;
while ($x<4) {
$x++;
$item = array_shift($items);
echo '<div class="mPos'.$x.'">
<div class="mPos'.$x.'_1">"'.$item['name'].'"</div>
<div class="mPos'.$x.'_2">"'.$item['price'].'"</div>
<div class="mPos'.$x.'_3"><a href="'.$item['link'].'">
<img src="'.$item['image'].'" /></a>
</div>
</div>';
}
$sth = $dbh->prepare("SELECT itemName, itemImage FROM myTable");
$sth->execute();
$result = $sth->fetchAll();
$myArr = array();
foreach($result as $row){
foreach($row as $colName => $colVal){
$myArr[$colName][] => $colVal;
}
}
echo '<pre>';
print_r($myArr);
echo '</pre>';
Although I do have misgivings about how you're actually approaching this from a design perspective.
I have a members site where users are given up to 7 web page templates to display their products on. Each template has the same field names, differentiated by _1, _2... _7 at the end of each.
For example:
// Template 1 would have the following list of variables
product_name_1
product_descript_1
product_color_1
product_price_1
// Template 2 would have the following list of variables
product_name_2
product_descript_2
product_color_2
product_price_2
// through Template 7
I am able to display any variables for a specific user within a web page, by use of a query string identifying their user_id in the url, ie
http://domain.com/folder/page.php?id=78
I then $_Get any variable by simply identifying it in the PHP file, ie
$product_name_1
$product_descript_1
$product_color_1
$product_price_1
My problem is that the url must identify WHICH template, since each template identifies a specific product, ie _1, _2, ..._7. How do I use a parameter in the url, such as
http://domain.com/folder/page.php?id=78¶meter=_7
...to identify all variables ending with _7, which would appear in the web page? The parameter used in the url would identify the variables to be used in the web page, whether _1, _2, etc.
UPDATE
I have tried the various answers with only partial success, ie "Array_x" is displayed when using any particular variable along with the suggested code. There may be a conflict with the rest of the code I'm using in page.php, as follows:
$db_connection = new mysqli("", "", "");
if ($db_connection->connect_errno) {
echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
}
$id = $_GET['id'];
$query = mysql_query("SELECT * FROM table_name WHERE id = '$id' LIMIT 1") or die(mysql_error());
$row = mysql_fetch_object($query);
$prop_address=array(
"_1"=>"prop_address_1",
"_2"=>"prop_address_2",
"_3"=>"prop_address_3"
//Through to Temp 7
);
$prop_address{$_GET['parameter']}=$row->prop_address;
echo " $prop_address{$_GET['parameter']} ";
"Array_x" displays (where x=1, 2, 3, etc is used as the parameter in url, ie http://domain.com/page.php?id=72¶meter=1), instead of the actual value held in the database table for $product_name{$_GET['parameter']}. For some reason, the code is not picking up the value of the variable from the database table.
Would it be possible to use arrays so...
$product_name=array(
"1"=>"Product name for template 1",
"2"=>"Product name for template 2"
//Through to Temp 7
);
echo $product_name[$_GET["parameter"]];
You could then do the same for the other variables.
You could fill each array by doing something like:
$row = mysql_fetch_object($query);
$product_name[$_GET['parameter']]=$row->product_name;
echo $product_name[$_GET['parameter']];
I may be missing something...
$_GET['parameter'] = '_2';
$product_name{$_GET['parameter']} = 'string';
echo $product_name_2; // string
or
$_GET['parameter'] = '_2';
$var = 'product_name'.$_GET['parameter'];
$$var = 'string';
echo $product_name_2; // string
Personally, I would use array's for this type of behavior.
Update:
Although the above works and tested ok, it is a lot more work than anyone would probably desired.
In lieu of simplicity, I would suggest the approach via array's.
$templates = array(2 => array(
'product_name' => "value",
'product_descript' => "value",
'product_color' => "value",
'product_price' => "value",
);
foreach($templates[substr($_GET['parameter'],1)] as $var => $val){
$variable = $var.$_GET['parameter'];
$$variable = $val;
}
The above is backwards compatible, it uses substr to remove the leading _ from your parameter.
I couldn't get any of the answers given to work. I found an example given by a user for php variable variables in the PHP manual here and found it to work. I incorporated it into my code as follows:
$id = $_GET['id'];
$query = mysql_query("SELECT * FROM table_name WHERE id = '$id' LIMIT 1") or die(mysql_error());
$row = mysql_fetch_object($query);
for( $i = 1; $i < 8; $i++ )
{
$product_name[$_GET['parameter']] = "product_name_" . $i;
$product_descript[$_GET['parameter']] = "product_descript_" . $i;
$product_color[$_GET['parameter']] = "product_color_" . $i;
$product_price[$_GET['parameter']] = "product_price_" . $i;
}
${$product_name[1]} = "$row->product_name_1";
${$product_name[2]} = "$row->product_name_2";
${$product_name[3]} = "$row->product_name_3";
${$product_name[4]} = "$row->product_name_4";
${$product_name[5]} = "$row->product_name_5";
${$product_name[6]} = "$row->product_name_6";
${$product_name[7]} = "$row->product_name_7";
// List 7 variables and values for each field name
echo "${$prop_name[$_GET['par']]}";
The only problem is that mysql injection is possible with this code. If anyone could suggest a solution, I would greatly appreciate it.
I'm trying to make a simple alphabetical list to order items in my database. The thing I can't figure out is how to actually list it.
I would like it to be the same format as you have on miniclip.com
Here's an image
I looked around, but couldnt find an answer really.
(I would like it to finish even at the end of each vertical column, except the last one for sure)
Any help would be welcome!
In MySQL:
SELECT * FROM table ORDER BY name ASC
In PHP:
$fruits = array("lemon", "orange", "banana", "apple");
sort($fruits);
foreach ($fruits as $key => $val) {
echo "fruits[" . $key . "] = " . $val . "\n";
}
fruits[0] = apple
fruits[1] = banana
fruits[2] = lemon
fruits[3] = orange
Assuming that your result set already is sorted by using the ORDER BY clause, to group the results by their first character you just need to remember the first character of the previous entry and print out the first character of the current entry if they are different. So:
$prevLabel = null;
while ($row = mysql_fetch_assoc($result)) {
$currLabel = strtoupper(substr($row['name'], 0, 1));
if ($currLabel !== $prevLabel) {
echo $currLabel;
$prevLabel = $currLabel;
}
echo $row['name'];
}
This will print the first character as a label for each group that’s members have the same first character.
He doesn't seem to have an issue with the storting, but doing the column format and headers for each new letter.
Suppose $arr contains your alphabetically sorted list with numeric keys. each element has indexes 'name' and 'link'. This should be pretty safe assumption for data from a SQL query.
$firstLetter = -1;
$desiredColumns = 4; //you can change this!
$columnCount = (count($arr)+27)/$desiredColumns+1;
echo "<table><tr><td>";
foreach($arr as $key => $cur)
{
if ($key != 0 && $key % desiredColumns == 0) echo "</td><td>";
if ($cur['name'][0] !== $firstLetter)
{
echo "<strong>$firstLetter</strong> <br />"; $firstLetter = $cur['name'][0];
}
echo "".$cur['name']."<br />";
}
echo "</td><tr></table>";
You'll have to treat numbers as a special case, but this is the idea. If you are using a template engine there are obviously better ways of doing this, but I figure you would have mentioned that. This is a rough sketch, making pretty HTML isn't my thing.
--Query-- get table into $arr. I can't see your tables obviously, Im making assumptions if names nad stuff so you'll need to verify or change them
$sql = "SELECT * FROM table T ORDER BY name";
$conn = //you should have this
$res = mysql_query($sql, $conn);
$arr = array();
while($row = mysql_fetch_assc($res)
$arr[] = $row;
// start above code here. This isn't safe for empty query responses or other error but it works
I presume you're using MySQL (or another SQL) database, in which case you should simply retrieve the data in the required order using a SORT BY clause on the lookup SELECT. (Sorting this PHP is trivial via the sort function, but it makes sense to get the database to do this - that's pretty much what it's for.)
In terms of balancing the output of each of the columns, you could get a COUNT of the required rows in your database (or simply use the count of the resulting PHP array of data) and use this to ensure that the output is balanced.
As a final thought, if this is going to be output on a per-page basis, I'd highly recommend generating it into a static file when the structure changes and simply including this static file as a part of the output - generating this on the fly is needlessly resource inefficient.
The mysql option mentioned above is definitely the best bet. If the data comes out of the DM in order, that's the simplest way to go.
Your next option might be to look at the
asort and ksort functions in PHP to find the exact one you're looking for.
http://www.php.net/manual/en/array.sorting.php
How are you pulling the data?
<?php
$result = mysql_query("SELECT titles FROM gamelist ORDER BY title ASC");
while ($row = mysql_fetch_assoc($result)) {
echo "{$result['title']}<br/>";
}
?>
There are two ways to do it.
You could use your database and use the 'order' clause to pull them by a specific field alphabetically.
You could also use either a key sort or value sort on a PHP array.
The PHP functions are sort($array) and ksort($array).
http://php.net/manual/en/function.sort.php
http://php.net/manual/en/function.ksort.php
<?php
$list = $your_list_array_from_database
//if you need info on how to do this, just let me know
sort($list);
foreach($list as $item) {
echo $item;
}
?>
I found this post and had the same problem. I used the code below to output a list by category name with a header equal to the first letter. In my database table (category) I have name and category_letter. So, name = football and category_list = 'F'.
<section>
<?php
try {
$cats_sql = $dbo->prepare("SELECT name, category_list, FROM category WHERE category_list REGEXP '^[A-Z#]' GROUP BY category_list ASC");
$cats_sql->execute();
$results_cats = $cats_sql->fetchAll();
} catch(PDOException $e) {
include('basehttp/error');
}
$array_cats = $results_cats;
if(is_array($array_cats)) {
foreach($array_cats as $row_cats) {
$cat_var = $row_cats[category_list]; // Each Category list title
?>
<aside>
<h1><a name=""><? echo $cat_var ?></a></h1>
<?php
try {
$search_sql = $dbo->prepare("SELECT name, category_list FROM category WHERE category_list=:cat_var ORDER BY name ASC"); // Pulling a list of names for the category list
$search_sql->bindParam(":cat_var",$cat_var,PDO::PARAM_STR);
$search_sql->execute();
$results_search = $search_sql->fetchAll();
} catch(PDOException $e) {
include('basehttp/error');
}
$array_search = $results_search;
if(is_array($array_search)) { // Output list of names which match category
foreach($array_search as $row_search) {
?>
<h2><?php echo $row_search[name]; ?></h2>
<br class="clear">
<?php
}
}
?>
</aside>
<br class="clear">
<?php
}
}
?>
</section>
Its actually Simple....I did similar thing for my project once. I had to pull out all music albums name and categorize them in alphabetical order.
In my table, "album_name" is the column where names are stored.
$sql= "select * from album_table order by album_name ASC";
$temp_char= ""; // temporary variable, initially blank;
using while loop, iterate through records;
while($row= $rs->fetch_assoc())
{
$album_name= $row['album_name'];
$first_char_of_albm= $album_name[0]; // this will store first alphabet;
$first_char_of_albm= strtoupper($first_char_of_albm); // make uppercase or lower as per your needs
if($temp_char!=$first_char_of_albm)
{
echo $first_char_of_albm;
$temp_char= $first_char_of_albm; // update $temp_char variable
}
}
That's it....
I am posting my answer to this old question for 3 reasons:
You don't always get to write your queries to MySQL or another DBMS, as with a web service / API. None of the other answers address PHP sorting without query manipulation, while also addressing the vertical alphabetical sort
Sometimes you have to deal with associative arrays, and only a couple other answers deal with assoc. arrays. BTW, my answer will work for both associative and indexed arrays.
I didn't want an overly complex solution.
Actually, the solution I came up with was pretty simple--use multiple tags with style="float:left", inside of a giant table. While I was sceptical that having multiple tbody tags in a single table would pass HTML validation, it in fact did pass without errors.
Some things to note:
$numCols is your desired number of columns.
Since we are floating items, you may need to set the width and min-width of parent elements and/or add some <br style="clear: both" />, based on your situation.
for alternative sorting methods, see http://php.net/manual/en/array.sorting.php
Here's my full answer:
function sortVertically( $data = array() )
{
/* PREPARE data for printing */
ksort( $data ); // Sort array by key.
$numCols = 4; // Desired number of columns
$numCells = is_array($data) ? count($data) : 1 ;
$numRows = ceil($numCells / $numCols);
$extraCells = $numCells % $numCols; // Store num of tbody's with extra cell
$i = 0; // iterator
$cCell = 0; // num of Cells printed
$output = NULL; // initialize
/* START table printing */
$output .= '<div>';
$output .= '<table>';
foreach( $data as $key => $value )
{
if( $i % $numRows === 0 ) // Start a new tbody
{
if( $i !== 0 ) // Close prev tbody
{
$extraCells--;
if ($extraCells === 0 )
{
$numRows--; // No more tbody's with an extra cell
$extraCells--; // Avoid re-reducing numRows
}
$output .= '</tbody>';
}
$output .= '<tbody style="float: left;">';
$i = 0; // Reset iterator to 0
}
$output .= '<tr>';
$output .= '<th>'.$key.'</th>';
$output .= '<td>'.$value.'</td>';
$output .= '</tr>';
$cCell++; // increase cells printed count
if($cCell == $numCells){ // last cell, close tbody
$output .= '</tbody>';
}
$i++;
}
$output .= '</table>';
$output .= '</div>';
return $output;
}
I hope that this code will be useful to you all.