PHP - Finding All Possible Combinations Of An Array
Hi PHPfreaks,
I've got a problem Ive been faced with a few days now, and for the life of me Im unable to solve it. What I have is a multidimensional array, that I need to parse and retreive every possible outcome possible Below is a basic example of how the array would look Code: [Select] Colour Black White Blue Finish Matt Gloss What I need to be able to do is, as I said, Show all the possible combinations there is. below is what i'd have achieved after one of you helpful souls points me in the right direction. Code: [Select] --> Color: Black --> Color: White --> Color: Blue --> Finish: Matt --> Finish: Matt --> Color: Black, Finish: Matt --> Color: White, Finish: Matt --> Color: Blue, Finish: Matt --> Color: Black, Finish: Gloss --> Color: White, Finish: Gloss --> Color: Blue, Finish: Gloss As you can see, Only ONE (or no) value is picked from each section. Just to confirm: the number of option groups WILL change...... So I could have colour, finish, size, weight and many more. the number of values in the groups WILL change....... so under colour, I could also have pink, green, indigo, gray. Below is how this array is structured Code: [Select] Array ( [0] => Array ( [parent] => Colour [values] => Array ( [0] => Array ( [name] => Black ) [1] => Array ( [name] => White ) ) ) [1] => Array ( [parent] => Finish [values] => Array ( [0] => Array ( [name] => Matt ) [1] => Array ( [name] => Gloss ) ) ) ) Would anyone have any suggestion on how this can be done? I've pulled out every single strand of hair I've got now, so thought i'd admit defeat and let someone else have a go Many thanks inadvance. Similar TutorialsOk, So what I need is a way for arrays to combine. My basic structure is going to look like this for the form that needs submission: Code: [Select] <form> <input name="name[]" /> <input name="name1[]" /> <input name="name[]" /> <input name="name1[]" /> <input name="name[]" /> <input name="name1[]" /> </form>then on the page it submits to, I need an array to form that will combine all the inputs to looks something like this: "name" "name1"; "name" "name1"; "name" "name1";.......... where the first set is the first name and name1, second is second, third is third, etc. The string of arrays will only end when there are no more left, so if there were 6, it would combine 6. how do I do something like this? Hi. I need some help working something out. I have an array that has all the numbers from, 0 to 9. What I want to do is loop through the array to make all the combinations possible up to a string thats 255 chars long. $array = array( '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' ); Should be looped through to create strings like this: Code: [Select] 0 1 2 3 4 5 6 7 8 9 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 etc.. Just as if it's counting. I am trying to locate an array in an array of arrays:
$card_pos = array_search($target, $_SESSION['leitner']['boxes'][($box - 1)]); if ($card_pos !== false) { // Do my stuff here }echo '<pre> oh no -- didn\'t find '; print_r($target); echo "in ";print_r ($_SESSION['leitner']['boxes'][($box + 1)]);echo '<br>leitner';print_r ($_SESSION['leitner']); echo '</pre>';but I don't find the target in the array though it is clearly there as you can see in the output: oh no -- didn't find Array ( [pos] => v5g [tense] => agerimasu ) in Array ( [0] => Array ( [pos] => v5g [tense] => agerimasu ) ) leitnerArray ( [boxes] => Array ( [1] => Array ( ) [2] => Array ( ) [3] => Array ( [0] => Array ( [pos] => v5g [tense] => agaru ) [1] => Array ( [pos] => v5g [tense] => agarimasu ) [2] => Array ( [pos] => v5g [tense] => agarimasen ) [3] => Array ( [pos] => v5g [tense] => agaranai ) [4] => Array ( [pos] => v5g [tense] => ageru ) [5] => Array ( [pos] => v5g [tense] => ageranai ) [6] => Array ( [pos] => v5g [tense] => agerimasen ) [7] => Array ( [pos] => v5g [tense] => agerimasend ) [8] => Array ( [pos] => v5g [tense] => agereba ) [9] => Array ( [pos] => v5g [tense] => agareba ) [10] => Array ( [pos] => v5g [tense] => agatte ) [11] => Array ( [pos] => v5g [tense] => agette ) ) [4] => Array ( [0] => Array ( [pos] => v5g [tense] => agerimasu ) ) [5] => Array ( ) ) [denom_total] => Array ( [1] => 0 [2] => 0 [3] => 36 [4] => 40 [5] => 40 ) [denom_max] => 40 ) Good day, Is there a simple way to find and list duplicates i an array and insert these to a new one? I have: $array[0] = "asd" $array[1] = "ter" $array[2] = "asd" $array[3] = "asd" $array[4] = "xfh" From that, I need this: $newarray[0] = "0" $newarray[1] = "2" $newarray[2] = "3" I have poked around "array_not_unique" and "in_array" a bit, but can't wrap my head around it enough for it to work... Any and all help are much appreciated. Thanks in advance! Hi i have two arrays, activity and feed.. contains 100 arrays, $activity = array(0,1,2....,100); contains 5 arrays $feed = array(100,50,25,12,75); I have 7 ranges, (0 -15),(15-30),(30-45),...(90-105) now i need to compare feed array with activity array to find in which range it was... Example, $feed[0] = 100, then it is in (90-105) range $feed[3] = 12, then it is in (0-15) range.. ... how to find this range?? please help me.. Hi, I have a Comma Delimited File called "houses.txt" with the contents of: HA11QS, 200, house1.jpg, 4 HA22BR, 280, house2.jpg, 10 HA33AB, 390, house3.jpg, 3 HA44CD, 320, house4.jpg, 8 I have a web form "form2.html": Code: [Select] <html> <head> <title>Untitled Document</title> </head> <body> <form action="any.php" method="post"> Please Enter Anything <input type="text" name="any"> <input type="submit" value="Submit"> </form> </body> </html> and PHP code of "any.php": <?php if (isset($_POST['any'])) { $filename = "houses.txt"; $fileOpen = fopen($filename, "r"); $max = $_POST['any']; $rowsArr = file ($filename); foreach ($rowsArr as $row) { $lineDetails = $row; $item_array = explode (",", $row); if (in_array($max,$item_array)) { echo("Post Code - " . $item_array[0]. "<br>"); echo("Price - " . $item_array[1]. ",000 <br>"); echo("Picture - " . $item_array[2]. "<br>"); echo("Number of Visits - " . $item_array[3]. "<br>"); echo("<br>"); } } fclose($fileOpen); } ?> What i need is for the user to input anything they wish for example: 4, which would search the array and find that the first house has had 4 visits or HA44CD, to find the last house on the list etc ... however unfortunatley its not working for, if anyone can help me i would grateful Thank You I have build a small form that take the zip code that user enter and if is on my list will redirect to a sub domain craigslist.
I was checking all the zip codes and is pretty hard to know to what bigger city to attribute the given zip code and for that I was thinking to a simple idea to use, I am not sure how much exact will be but I think will do the trick for the moment.
The zip code range start from 00501 to 99950.
I create a array with the biggest city shown in craigslist and the zip code that correspond.
Now the tricky part, what I will do with the rest of the zip codes and my idea is to measure the distance from one to another zip code and which zip code from the array is closer from given one to take it.
<?php $zip = $_GET['zip']; $z = array ( 36830 => array ( 'auburn.craigslist.org' ), 35242 => array ( 'bham.craigslist.org' ), 36301 => array ( 'dothan.craigslist.org' ), 35630 => array ( 'shoals.craigslist.org' ), 35901 => array ( 'gadsden.craigslist.org' ) ?> Exemple: $zip= 36870 // the code received from the user 36870 - $array= ( 'auburn.craigslist.org' ), (36830 = 40) (36301 = 569) (36911 = -41) // the minus will be excluded (....etc)After checking the zip code with the ones from array, the smaller score will attribute the sub-domain correspond from the array. I hope will don t be the case when will get the same result from two zip codes:) Now I am using this rule: $zip0 = (isset($z[$zip][0]) && $z[$zip][0] != '') ? $z[$zip][0] : 'craigslist.org/about/sites#US';and I was thinking to redirect the user for a page to enter the state and the city. But I wish to make it more precises and not to involved the user so much. But if there are any other suggestions I will be glad to hear them. I am having a go at writing my own simple gallery. As the I want to display an image from a folder in a directory of all the images... for example, I have 10 folders each containing images. I want my code to take image 01.jpg out of each folder and display it on my page, so that when I add folders to my main images folder, they will automatically be added to the page... but I only want the last 10 folders to display... so once I have 20 folders, it only shows 10. I also want the images to be 5 across and then make a new row. My folders will be numbered in order... 001, 002, 003, etc... and I need them sorted in reverse order, so the folder added last is displayed first. So... this is where I am at with the code : Code: [Select] $dir = "gallery/"; if (is_dir($dir)) { [color=red] foreach(array_keys($file) as $n) {[/color] if ($n+1 == 5) { echo "<td><img src=\"" . $dir . $file . "/01.jpg\" width=\"140px\" height=\"93px\" alt=\"\" /></td></tr><tr>"; } elseif ($n+1 > 10) { echo ""; } else { echo "<td><img src=\"" . $dir . $file . "/01.jpg\" width=\"140px\" height=\"93px\" alt=\"\" /></td>"; } closedir($dh); } } For some reason, I am getting the following error on the page : Warning: First argument to array_keys() should be an array in /path/to/gallery.php on line 8 Warning: Invalid argument supplied for foreach() in /path/to/gallery.php on line 8 line 8 is the one in red above. So... I have a couple of questions... 1. What have I done wrong so far? I cannot see it 2. How would I then go about putting the galleries in reverse order? I know it must be rsort, but not to sure if I need to do this first or after... ? Any help greatly appreciated, and I would also be greatful f an idiot's explanation, as I am really trying to understand all this! I'm getting there... slowly! Does anyone know a way of to find the 'coordinates' of a deeply nested key in a multidimensional array whilst using array_walk_recursive? I am using array_walk_recursive() to stripslashes() of all values of an array. However I need to be able to get the full coordinates of a key if the said key is of a certain value. The function key() only seems to get the highest level key. As a test I have the following array which has three occurrences of a key named 'date'. Upon each occurrence I want to be able to know exactly where in the array it is so i can call is directly later. <?php $pages = array(array("variation"=>"xccsdc", "items"=>array(array("nm"=>"ss", "type"=>"ta", "kkl"=>"Prodion." ), array("nm"=>"nm", "type"=>"nwsfd", "kkl"=>"nws fd", "nws"=>array(array("date"=>"1328982639", "kkl"=>"f nfgfgnfgn", "title"=>"nfgn fgn fhn " ), array("date"=>"1328982632", "kkl"=>"fgn fgn", "title"=>" fgn" ) ) ), array("nm"=>"nm", "type"=>"nwsfd", "kkl"=>"nws fd", "nws"=>array(array("date"=>"1328982655", "kkl"=>" gh fgh","title"=>"n fgh n" ) ) ) ) ) ); function test_print(&$item, $key, $pages) { if($key == 'date') { //strip the slashes $item = stripslashes($item); //if the key is 'date' which is deeply nested, return the key. echo key(current($pages)); echo '<br/>'; } } array_walk_recursive($pages, 'test_print', $pages); ?> What is returned from the 'test_print' function is: Quote variation variation variation Is this because array_walk_recursive() does not move the internal pointer pointer along? I found this thread on stackoverflow: http://stackoverflow.com/questions/3133054/php-find-key-position-in-multidimensional-array which has a great function for finding the key, however i'm struggling to get my head around how I can apply something like this whilst using array_walk_recursive(). Does anyone have any ideas? Hi folks, i have a complex problem (for me anyway) but i am sure with your help this can be sorted. Problem number 1: I have a simple while loop, but its only showing 4 results when i know there are 5 I am missing something very simple i know: $sql = ("SELECT * FROM postcode WHERE unid='1'")or die ('<p>There seems to be a problem, please try again soon.</p>'); $result = mysql_query($sql,$con); $row = @mysql_fetch_array($result); $i=0; while ($row = @mysql_fetch_assoc($result)){ echo "newpoints[". $i++ ."] = new Array({$row['lat']}, {$row['long']}, icon0, '{$row['postcodename']}', '{$row['postcodename']}'); \n"; } What am i missing here? Problem number 2: I have a bunch of latitude and longitude codes stored in the database. On each page there will be a varied amount of these codes used, but with a max of 20. I need to find the highest number and the lowest number of each lat and long then come up with a code that is in the middle, the idea of this is to center a map. So for example there will be an array like this: 50.852293 -1.76088 51.252938 -0.76128 51.259583 -0.727168 51.274 -0.837 51.123106 -0.970657 First i need to find the highest number of the first code (51.274) then the lowest number (50.852293) and then the highest number of the second code (-1.76088) then the lowest number (-0.727168) Then work out an inbetween code using the highest and lowest codes for each. Does anyone have a clue how to go about this? I am not the worlds best array technition or mathematician I have a list of IP addresses in an very very very large array in random order. I am trying to find a way to determine if there are at least 8 IP addresses that are consecutive. I was thinking some sort of for loop after a sort but that seems very time consuming and I'm sure PHP has a better way... Some searching online revealed this: http://bytes.com/topic/php/answers/12143-flagging-consecutive-numbers-data-set Is this the way to go? Any tips? Thanks! Carmen Hello, Am looking for a function that generates all possible combinations of strings in an array. For example if: $arr[1] = "Hello"; $arr[1] = "how"; $arr[2] = "are"; $arr[3] = "you"; When the array is passed through the function you would come up with a list of string combinations line by line like below: Hello Hello how are you how Hello are you how are Hello you how are you Hello how ........and so on The list goes on and on. I'm trying to firstly generate all possible 'x' number combinations from an array of 'y' numbers. i.e. combinations of 3 numbers from array(1,2,3,4,5). so... 1,2,3 - 1,2,4 - 1,2,5, 1,3,4 etc I then want to be able to filter out duplicate permutations. i.e. 1,2,3 is the same as 1,3,2. I have googled vigorously but not been able to determine a suitable approach. Any suggestions would be appreciated. Thanks. I searched online and seen some complex c and c# code which I didn't understand much of. But how do I generate an array with all string combinations based on length and from a charset? E.g. charset = {'a', 'b', 'c'} Length = 2. Then it should generate first all 1-char strings: a b c Then all 2-char strings: aa ab ac ba bb bc ca cb cc And then all added to the same array. I think there's some way of doing it with recursion but to me it's like thinking with a 4th dimension my mind can't grasp this logic! need to echo all word combinations from the input also lets say that someone types "this is my query" into an input fiend and this will be the input. i need the php script to echo all the possible combinations of this string. but there can be 4 words like in the example or 3 or more or less. also it should then echo something like this: this this is this is my this is my query is is my is my query is my query this my my query my query this my query this is query query this query this is query this is my + query is my this this my query is also all combinations possible, for 1 word, 2 words, ... max. words inputed. Hi I have a file, that is copied from other files. All other files work perfectly. But, for some reason this one is throwing back an error. I've been over it so many time, but can't see whats wrong. Error: Fatal error: Call to undefined method stdClass::save() in /home/p/o/powtest/web/public_html/admin/lib/ajax_php/add_interests.php on line 28 add_interests.php Code: [Select] <?PHP require_once("../../../includes/initialize.php"); $flag = 0; $ID = $_POST['ID']; $type = $_POST['type']; $category = $_POST['category']; $interest = $_POST['interest']; $expInt = explode("\n", $interest); $DMOD = date('Y-m-d'); $TMOD = date('H:i:s'); $check_entry = Admin_interest::if_exists(clean_input_value($category)); if($check_entry == 0){ $new_category = Admin_interest::make($ID, clean_input_value($category), clean_input_value($type), $DMOD, $TMOD); if($new_category && $new_category->save()){ $CID = $new_category->id; $flag = 1; } } foreach($expInt as $expInts){ $check_entry = Admin_interests_sub::if_exists($CID, clean_input_value($expInts)); if($check_entry == 0){ $new_interest = Admin_interests_sub::make($ID, $CID, clean_input_value($expInts), $DMOD, $TMOD); if($new_interest && $new_interest->save()){ $message = 'Thank You: Your list Has Been Saved'; }else{ $message = "Sorry, There was an error"; } } } echo $message; ?> Class: Code: [Select] <?PHP require_once(LIB_PATH.DS.'database.php'); class Admin_interests_sub { protected static $table_name="admin_interests_sub"; protected static $db_fields = array('id', 'category_id', 'interest_sub', 'dateMod', 'timeMod'); public $id; public $category_id; public $interest_sub; public $dateMod; public $timeMod; public static function make($ID, $category_id, $interest_sub, $DMOD, $TMOD){ if(!empty($interest_sub)){ $interest = new Admin_interests_sub(); $interest->id = (int)$ID; $interest->category_id = (int)$category_id; $interest->interest_sub = $interest_sub; $kw->dateMod = $DMOD; $kw->timeMod = $TMOD; return $kw; }else{ return false; } } protected function attributes(){ $attributes = array(); foreach(self::$db_fields as $field){ if(property_exists($this, $field)){ $attributes[$field] = $this->$field; } } return $attributes; } protected function sanitized_attributes(){ global $database; $clean_attributes = array(); foreach($this->attributes() as $key => $value){ $clean_attributes[$key] = $database->escape_value($value); } return $clean_attributes; } public function save(){ return !empty($this->id) ? $this->update() : $this->create(); } public function create(){ global $database; $attributes = $this->sanitized_attributes(); $sql = "INSERT INTO ".self::$table_name." ("; $sql .= join(", ", array_keys($attributes)); $sql .= ") VALUES ('"; $sql .= join("', '", array_values($attributes)); $sql .= "')"; if($database->query($sql)){ $this->id = $database->insert_id(); return true; }else{ return false; } } public function update(){ global $database; $attributes = $this->sanitized_attributes(); $attribute_pairs = array(); foreach($attributes as $key => $value){ $attribute_pairs[] = "{$key}='{$value}'"; } $sql = "UPDATE ".self::$table_name." SET "; $sql .= join(", ", $attribute_pairs); $sql .= " WHERE id=".$database->escape_value($this->id); $database->query($sql); return ($database->affected_rows() == 1) ? true : false; } public function delete(){ global $database; $sql = "DELETE FROM ".self::$table_name." "; $sql .= "WHERE id=".$database->escape_value($this->id); $sql .= " LIMIT 1"; $database->query($sql); return ($database->affected_rows() == 1) ? true : false; } } ?> Any help finding this bug will be a big help. Thanks Okay I'm done with searching for answers, working on this preg_match for about 3 hours now.
I'm looking for "($0.01/$0.02 USD)" in a string. The needle might be slighty different. Possible strings that I might look for is: (€xx.xx/€xx.xx EUR) where the EUR can be changed into USD, including its signs. I am trying to find the URL to a directory TWO levels above the script level (if you know what I mean). For example.. the script sits at Code: [Select] http://www.domain.com/TestArea2/members/index.php BUT I need to find the path to Code: [Select] http://www.domain.com/TestArea2/ the nearest I get is... $domain = $_SERVER['HTTP_HOST']; $domain .= $_SERVER['REQUEST_URI']; echo $domain; // outputs www.domain.com/TestArea2/members/index.php Is there a simple method to do this or have I got to split the string and work backwards? Many thanks Im trying to find the time between the last database entry and the current time and then echo it so it says something like '2 minutes ago'. I tried doing: $last_post_gap = strtotime('NOW') - strtotime($topic_info->topic_last_post_time); $last_post_gap = date('i', strtotime($last_post_gap)); $last_post = date('F j, Y', strtotime($topic_info->topic_last_post_time)); if ($last_post <= '- 1 DAY') { $last_post = 'Yesterday at '.date("g:i a", strtotime($topic_info->topic_last_post_time)); } if ($last_post <= '- 1 MINUTE') { $last_post = 'Less Than 1 Minute Ago'; } else { $last_post = $last_post_gap.' Minutes Ago'; } but that just displays 0 minutes ago regardless of the time. Is there anything im missing? |