PHP - Php Data File Array Element Length

Given the following example code; if a function were passed the value of $id is there a way to point to the previous or next element in the array to retrieve their values.

thanks


Code: [Select]

$arr = array();

for( $i = 0; $i < 10; $i++ ) {

$id = mt_rand() + $i;

$arr[$id] = "some value";

}

function getValue( $id ) {

$element = $arr[$id];

//point to previous element or next element beginning from $element position

}

Hi,

I have this array:

$cats = array( 
    "A"=>'Business Expansion Specialist',
    "B"=>'Affiliate Page',
    "C"=>'Personal: Hobbies',
    "D"=>'Personal: Pets',
    "E"=>'Personal: Holidays',
    "F"=>'Personal: Sport',
    "G"=>'Personal: C.V.',
    "H"=>'Personal: Other',
    "I"=>'For Sale: Antiques',
    "Z"=>'Other'
    );

 

And then from a table I get the variable $cat_cd.

$cat_cd contains 'F' so it refers to 'Personal: Sport'

If I want to put that in  $category,   how would I write that?

I thought it might be ....

$category = $cats['$cat_cd'];  

I tried that and it didn't work .

 

Thanks

 

 

 

Hi there!

Ok I've a very simple code he

$character = array (name=>"Joe",
                    occupation=>"Programmer",
                    age=>30,
                    "Learned language "=>"Java"
);
print_r($character);

echo "<br/>";
foreach ( $character as $key=>$val ){
   print "$key = $val <br>";
}

The output is:

Code: [Select]
Array ( [name] => Joe [occupation] => Programmer [age] => 30 [Learned language ] => Java )
name = Joe
occupation = Programmer
age = 30
Learned language = Java
Now instead of returning all the other elements, I just need to display only the first element in the array that is the value 'Joe'.

I tried
$val[name];

Output I get is not what I want:

Code: [Select]
J
P

J
All responses/feedbacks is always welcomed

Thank you!

Hi Everyone

I am looking to just grab the first element of an array and do something to it but i only want this extra bit off code on the first value off the array.

Here is my array

echo "<pre>";
print_r($_SESSION);
echo "</pre>";
Array
(
    [attach] => Array
        (
        )

    [backups-2] => true
    [dnb] => true
    [house] => true
    [tech-house] => true
    [uk-garage] => true
    [uk-grime] => true
    [uk-hip-hop] => true
    [uncategorized] => true
    [warehouse] => true
    [value] => Array
        (
            [0] => Array
                (
                    [tune_name] => Music/dnb/Abort_Delta Heavy_192.mp3
                    [tune] => http://isdmusic.s3.amazonaws.com/Music/dnb/Abort_Delta Heavy_192.mp3
                    [submit] => Listen
                )

            [1] => Array
                (
                    [tune_name] => Music/dnb/Acid Bath (Northern Lights remix)_Twisted Individual_192.mp3
                    [tune] => http://isdmusic.s3.amazonaws.com/Music/dnb/Acid Bath (Northern Lights remix)_Twisted Individual_192.mp3
                    [submit] => Listen
                )

            [2] => Array
                (
                    [tune_name] => Music/dnb/Awkward_Inside Info_192.mp3
                    [tune] => http://isdmusic.s3.amazonaws.com/Music/dnb/Awkward_Inside Info_192.mp3
                    [submit] => Listen
                )

            [3] => Array
                (
                    [tune_name] => Music/dnb/Awkward_Inside Info_192.mp3
                    [tune] => http://isdmusic.s3.amazonaws.com/Music/dnb/Awkward_Inside Info_192.mp3
                    [submit] => Listen
                )

        )

)


so i just what to effect the first value what to and autostart to it???

Here is my code.

session_start();

header("Content-type: text/xml"); 
$xml_output = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
$xml_output .= '<playlist version="1" xmlns="http://xspf.org/ns/0/">\n'; 
$xml_output .= "<trackList>\n";

    $xml_output .= "\t<track>\n";  
    $xml_output .= "\t\t<location>" .  $_SESSION['value'][0]['tune_name'] . "</location>\n"; 
    $xml_output .= "\t\t<creator>sdf</creator>\n";
$xml_output .= "\t\t<album>sdf</album>\n"; 
$xml_output .= "\t\t<title>" . $_SESSION['value'][0]['tune_name'] . "</title>\n";
$xml_output .= "\t\t<annotation>I love this song</annotation>\n"; 
$xml_output .= "\t\t<duration>32000</duration>\n"; 
$xml_output .= "\t\t<image>covers/smetana.jpg</image>\n";
$xml_output .= "\t\t<info></info>\n";
$xml_output .= "\t\t<link>" . $furl . "</link>\n";
    $xml_output .= "\t</track>\n"; 

foreach ($_SESSION['value'] as $value) {  

$furl = "http://isdmusic.s3.amazonaws.com/".urlencode($value['tune_name']);
if(preg_match("/\.mp3$/i", $furl))
{ 

    $xml_output .= "\t<track>\n"; 
    $xml_output .= "\t\t<location>" . $furl . "</location>\n"; 

    $xml_output .= "\t\t<creator>" . $value['tune_name'] . "</creator>\n";
$xml_output .= "\t\t<album>" . $value['tune_name'] . "</album>\n"; 
$xml_output .= "\t\t<title>" .  $value['tune_name'] . "</title>\n";
$xml_output .= "\t\t<annotation>I love this song</annotation>\n"; 
$xml_output .= "\t\t<duration>32000</duration>\n"; 
$xml_output .= "\t\t<image>covers/smetana.jpg</image>\n";
$xml_output .= "\t\t<info></info>\n";
$xml_output .= "\t\t<link>" . $furl . "</link>\n";
    $xml_output .= "\t</track>\n"; 
} 
}
$xml_output .= "</trackList>"; 
echo $xml_output; 

Thanks

Hi, after banging my head against the wall for a while thinking this would be a simple task, I'm discovering that this is more complicated than I thought.

Basically what I have is a link table linking together source_id and subject_id.   For each subject there are multiple sources associated with each.

I had created a basic listing of sources by subject... no problem.   I now need a way of having a form to create an ordered list in a user-specified way.  In other words, I can currently order by id or alphabetically (subject name lives on a different table), but I need the option of choosing the order in which they display.  I added another row to this table called order_by.  No problem again, and I can manage all of this in the database, however I want to create a basic form where I can view sources by subject and then enter a number that I can use for sorting.

I started off looping through each of the entries and the database (with a where), and creating a foreach like so (with the subject_id being grabbed via GET from the URL on a previous script)
Code: [Select]
while($row = mysqli_fetch_array($rs)) {


//update row order
if (isset($_POST['submit']))  {

//get variables, and assign order

$subject_id = $_GET['subject_id'];
$order_by = $_POST['order_by'];
$source_id = $row['source_id'];


//echo 'Order by entered as ' . $order_by . '<br />';

foreach ($_POST['order_by'] as $order_by) {

$qorder = "UPDATE source_subject set order_by = '$order_by'
WHERE source_id = '$source_id'
AND subject_id = '$subject_id'";

mysqli_query($dbc, $qorder)
or die ('could not insert order');

// echo $subject_id . ', ' . $order_by . ', ' . $source_id;
// echo '<br />';
} 
}
else {
$subject_id = $_GET['subject_id'];
$order_by = $row['order_by'];
$source_id = $row['source_id'];

}

And have the line in the form like so:
Code: [Select]
echo '<input type="text" id="order_by" name="order_by[]" size="1" value="'. $order_by .'"/>

(yes I know I didn't escape the input field... it's all stored in an htaccess protected directory;  I will clean it up later once I get it to work)

This, of course, results in every source_id getting the same "order_by" no matter what I put into each field.

I'm thinking that I need to do some sort of foreach where I go through foreach source_id and have it update the "order_by" field for each one, but I must admit I'm not sure how to go about this (the flaws of being self-taught I suppose;  I don't have anyone to go to on this).

I'm hoping someone here can help?

Thanks a ton in advance

Hi, I have an array key whose value is a line of html in quotes, the problem is , I don't know how to do it. Lol. Any help greatly appreciated because the below code is generating an error in my editor. Thank you. Derek

here is the line.

Code: [Select]
'level_1'=>"<img src='<img src='sundragon_environments/ocean/ocean1_FRAME.jpg'/>'",
EDIT:

actually I managed to fix the error adding a semicolon after the parenthesis. Is this array correct please?

Code: [Select]
$currentLocation = array
(
'teardrop_ocean_bg' => array
(
'level_1'=>"<img src='<img src='sundragon_environments/ocean/ocean1_FRAME.jpg'/>'"



)

);

it's not finished yet.

I am trying to break down an array to make it easier to read. An array that looks like Array ( => 0 [1] => 0 [2] => 0 [3] => 0012844 1 [4] => 37 [5] => 1 etc...) I want to display it like: Code: [Select]
[0] => 0
[1] => 0
[2] => 0
etc...
how can this be accomplished.

Hello All,


I have used a function to collect a users information from the database. This is then returned as an array.


Using this returned array, I wish to pass it into another function.


Here is the code:


The array is created in the collect() function and needs to be passed to the ipn_data function



Code: [Select]
/*


This script is responsible for handling all subscription payments. It will collect all information, insert data into the relevant databases and then forward the user to PayPal with the relevant transaction ID. On return, the IPN listener will
deal with all account changes whilst the user is held in a queue.


*/


/* ------------------------------------- */
/* DATABASE CONFIGURATION               */
/* ------------------------------------- */


include_once "../config/config.php";


/* ------------------------------------- */
/* COLLECT SESSION INFORMATION            */
/* ------------------------------------- */


session_start();
$id = "100000002"; // ID of logged in user
$next_year = date("Y-m-d", strtotime("+365 day", time())); //Date next year


/* ------------------------------------- */
/* SET VARIABLES                     */
/* ------------------------------------- */


$reason = $_GET["reason"];


/* ----------------------------------------- */
/* COLLECT USERS INFORMATION FROM DATABASE    */
/* ----------------------------------------- */


function collect($id) {
   
   //Select the subscriber from the database
   $query = "SELECT * FROM subscribers WHERE id='$id'";
   $query = mysql_query($query);
      //Collect the subscribers first name, last name and email address
      while($row=mysql_fetch_array($query)) {
         $fname = $row["fname"];
         $lname = $row["lname"];
         $email = $row["email"];
      }
   
   //Collate subscribers information into an array
   return array('fname' => "$fname", 'lname' => "$lname", 'email' => "$email");
   
}


/* ----------------------------------------- */
/* CREATE TIMESTAMP OF CURRENT TIME          */
/* ----------------------------------------- */


function mktimestamp() {
   
   //Set date variables
   $day = date("d");
   $month = date("m");
   $year = date("Y");
   
   //Make timestamp
   return mktime(0, 0, 0, $month, $day, $year);


}


/* ----------------------------------------- */
/* INSERT USERS DATA INTO ipn_data           */
/* ----------------------------------------- */


//Create random identifier
$ident = rand("1", "10000");


function ipn_data($info, $reason, $timestamp) {
   
   //WANT THE ARRAY TO BE PASSED INTO HERE!!
       //I TRIED PASSING THE $info VARIABLE INTO THE FUNCTION, WHICH IS WHAT I ASSIGNED TO THE COLLECT FUNCTION LATER IN THE SCRIPT
   
}


/* ----------------------------------------- */
/* Get ID of inserted ipn_data row           */
/* ----------------------------------------- */


function get_id($ident, $timestamp) {


   //Setup Query to find ID
   $query = "SELECT * FROM subscribers WHERE timestamp='$timestamp' AND identifier='$ident'";
   
   //Run Query
   $query = mysql_query($query) or mysql_error();
   
   //Using query find ID
   while($row=mysql_fetch_array($query)) {
      $ltj_txn_id = $row["id"];   
   }
   
   return $ltj_txn_id or mysql_error();
   
}



/* ------------------------------------- */
/* SWITCH REASON                     */
/* ------------------------------------- */


switch($reason) {


   case "subscribe":
   break;
   
   case "renew":
   
      //Collect array from user information array function
      $info = collect($id);
     
      //Get timestamp from our mktimestamp function
      $timestamp = mktimestamp();
     
      //Insert users data into ipn_data table
      $run_ipn = ipn_data($reason, $timestamp, $ident);
     
      //Collect ID of record just inserted
      $get_id = get_id($ident, $timestamp);
     
      echo "$run_ipn";
     
   
   break;
   
   case "upgrade":
   break;
   
   default:
   break;


}

Any ideas?

I am using session variables to keep track of what is in a shopping cart. I can add the items to the cart quite easily enough. But my problem is that I can't delete a specific item in the cart. Below is a summary of what the array looks like

$Item1=array("ProdID"=>"Hat","Color"=>"Not Needed","Size"=>5);
$Item4=array("ProdID"=>"Shirt","Color"=>"Green","Size"=>"L");
$Item2=array("ProdID"=>"Pants","Color"=>"Not Needed","Size"=>"32x32");
$Item3=array("ProdID"=>"Socks","Color"=>"Not Needed","Size"=>"Not Needed");
$NumItems=4;
$TestArray=array("NumItems"=>$NumItems,1=>$Item1,2=>$Item2,3=>$Item3,4=>$Item4);

However when I attempt to delete any of the top level elements (1,2,3,4,NumItems), I either end up deleting only the last element (4) or somehow taking out 2 of them. I know that this must be an easy fix but I've looked at it for so long that I can't seem to figure out what the problem is.
below is the code that I use to delete the Item from the array
Code: [Select]
$ItemNum=$_GET['item'];
if ($ItemNum=="All"){
$ItemNum=$_GET['item'];
if ($ItemNum=="All"){
unset($TestArray);
unset($TestArray['NumItems']);
unset($_SESSION['OrderTotal']);
//header("Location:Cart.php?act=view");
}
else{
$TestArray['NumItems']=$TestArray['NumItems']-1;
if($TestArray['NumItems']<1)
{
unset($_SESSION['OrderTotal']);
unset($TestArray);
unset($TestArray['NumItems']);
}
else
{
unset($TestArray[$ItemNum]);
}


Can anyone take a look at this and point me in the correct direction? What I am after is to delete any element of the top array and keep the rest.

hi i am trying to make a payroll calculator script that takes employee info, calculates pay, displays submitted info in a table, stores info in an array, and updates the array when new info is submitted. i have most of these accomplished, i am having trouble with the "store into an array, and update the array when new info is submitted" parts of the project. i am still not very fluent in php so there may be easier ways to achieve what i have so far. any pointers would be a great help, this part has got me stumped.

Using curl_multi, I have loaded up 3 url's and then printed the array.

1) How can I also set a timestamp on output to let me know when each url was run?

2) How can I explode the array to only display the data and timestamp, excluding the text "Array ( =>", "[1] =>", "[2] =>" and " )"? Code

<?php

function multiRequest($data, $options = array()) {

  // array of curl handles
  $curly = array();
  // data to be returned
  $result = array();

  // multi handle
  $mh = curl_multi_init();

  // loop through $data and create curl handles
  // then add them to the multi-handle
  foreach ($data as $id => $d) {

    $curly[$id] = curl_init();

    $url = (is_array($d) && !empty($d['url'])) ? $d['url'] : $d;
    curl_setopt($curly[$id], CURLOPT_URL,            $url);
    curl_setopt($curly[$id], CURLOPT_HEADER,         0);
    curl_setopt($curly[$id], CURLOPT_RETURNTRANSFER, 1);

    // post?
    if (is_array($d)) {
      if (!empty($d['post'])) {
        curl_setopt($curly[$id], CURLOPT_POST,       1);
        curl_setopt($curly[$id], CURLOPT_POSTFIELDS, $d['post']);
      }
    }

    // extra options?
    if (!empty($options)) {
      curl_setopt_array($curly[$id], $options);
    }

    curl_multi_add_handle($mh, $curly[$id]);
  }

  // execute the handles
  $running = null;
  do {
    curl_multi_exec($mh, $running);
  } while($running > 0);

  // get content and remove handles
  foreach($curly as $id => $c) {
    $result[$id] = curl_multi_getcontent($c);
    curl_multi_remove_handle($mh, $c);
  }

  // all done
  curl_multi_close($mh);

  return $result;
}



$data = array(array(),array());

$data[0]['url']  = 'http://search.yahooapis.com/VideoSearchService/V1/videoSearch?appid=YahooDemo&query=Pearl+Jam&output=json';
$data[1]['url']  = 'http://search.yahooapis.com/VideoSearchService/V1/videoSearch?appid=YahooDemo&query=Black+Eyed+Peas&output=json';
$data[2]['url']  = 'http://search.yahooapis.com/VideoSearchService/V1/videoSearch?appid=YahooDemo&query=Nirvana&output=json';

$r = multiRequest($data);

print_r($r);

?>

Output

Array ( => Pearl Jam [1] => Black Eyed Peas
        [2] => Nirvana )

Preferred Output

01:00:01 Pearl Jam
01:00:02 Black Eyed Peas
01:00:03 Nirvana

i am trying to check if the array element (which would be a file) is null or not.  when i run it, uploading one file, it says "Please select some files to upload first!" X 3.  what am i doing wrong?

my code: http://pastebin.com/m0k3fEd2

Hi all,

Is there a function or method to delete element from current position in array without knowing the index. For example:




$ar = array( 1, 2, 3, "test", 4, 5, "test2" );

while( $v  = current( $ar ) )
{
    if( key( $ar ) == "test" )
     {
          // remove element from the array where key equals "test"
          // i could count every cycle and splice from that index but i wonder can that be done without it
          // i am looking at the php array functions but i can't find any that will delete from element from current position in array

          echo 'key( $ar ) je test. key( $ar ): ' . key( $ar );
     }

      next( $ar );
}



One thing that i don't understand is that when i run example above the "test" key is found and when i echo it it gives me 0.

Hi
I am trying to modify my database and am using the following part of code which isn't working. $bad is various values seperated by a newline. The strange thing about the code is that it works when their is only one $value but won't work if their are two or more values even though it is too easy to be wrong. Please help

 $badarray=explode(array("\r\n", "\r", "\n"),$bad);
   foreach($badarray as $value){
      $value= str_replace(array("\r\n", "\r", "\n"),NULL,trim($value));
      echo $value;
      $query="Update googlevacancies_junk SET exist='$no'    WHERE email='$value' ";
      mysql_query($query);   
   }