Class objects into an array

Skunkape

Ok, been fighting with this for most of the day and don’t want to do a total re-write of my code.

I’ve got a few classes defined, importing them into the page, instanciating the objects, putting data into the classes, pulling data back out of the classes. In short, everything is working the way I want it to accept, I can’t seem to get my classes and arrays working correctly.

What I want to do is drop objects, from 1 to many into an array and then get the data back out. I seem to be able to drop the objects into the array, but I can’t get data back ouf from the array. Is there anyway to do this. Below is part of my class and how I’m putting the data into the array.

Class ------

class Attribute {
var $name;

function SetName($name) {
$this->name = $name;
}

function GetName() {
return $this->name;
}
}

Code that puts the class info into the array-----

for( $i = 0; $i < $totalMatch; $i++)
{
$matchRow=mysql_fetch_array($raceMatch);
$dXAttribute[$i] = $dXCharacter->SetName($matchRow[rule_name]));
}

This is pulling data out of an SQL result set query. I’ve tried everything I can think of to get the information back out of the array, but don’t get anything printed to the page.

Thanks in advance for any information you can give me to help fix this problem.

Oh yeah, I've looked at all of the posts about classes/objects and arrays and can't find the answer to my query. At least all of the ones I could find by a search.

Skunk

laserlight

hmm, I dont see how code under "Class ------" relates to code under "Code that puts the class info into the array-----".

tsinka

Hi,

try something like this:

for( $i = 0; $i < $totalMatch; $i++) 
{ 
  $matchRow=mysql_fetch_array($raceMatch); 
  // maybe an additional $dXCharacter = new classname; here
  $dXCharacter->SetName($matchRow['rule_name']);
  $dXAttribute[$i] = $dXCharacter;
}

$dXAttribute = array();
while ($matchRow = mysql_fetch_array($raceMatch)) {
  // maybe an additional $dXCharacter = new classname; here
  $dXCharacter->SetName($matchRow['rule_name']);
  $dXAttribute[] = $dXCharacter;
}

Thomas

Skunkape

Originally posted by laserlight
hmm, I dont see how code under "Class ------" relates to code under "Code that puts the class info into the array-----".

Heh, mixed my code up, sorry.😃

Frustration there on my part.:mad:

Ok, here we go again.

Class -----

class Attribute {
var $name;
}

Instanciation of new object and creation of array, both of which are put into the session. ------

$dXAttribute = new Attribute;
$charAttributes = array();

Loading data into object -----

for( $i = 0; $i < $totalMatch; $i++)
{
$matchRow=mysql_fetch_array($raceMatch);
$charAttributes[$i] = $dXAttribute->SetName($matchRow[rule_name]);
}

When I try to pull the data back out of the array with the following code, I get nothing to the screen, except a 16 for the count value.

echo count($charAttributes)."<br>";
for( $i = 0; $i < count($charAttributes); $i++ )
{
echo $charAttributes[$i];
echo "<br>";
}

Ok, I think I have everything in the post this time. Hopefully, someone can help me get the info back out of the array.😃

bubblenut

What are you expecting SetName to return? Usually set methods return only success or failure and get methods return a value.

Skunkape

Originally posted by bubblenut
What are you expecting SetName to return? Usually set methods return only success or failure and get methods return a value.

Very good point! I'm betting it's putting a success value into the array, which would not be a printable value.

Guess I need to look at setting the value into an object then put the object into the array?

Skunk

Skunkape

That's exactly what it was doing. Here's how I've corrected the code in case anyone is interested. By the way, the rest of the code worked fine.

for( $i = 0; $i < $totalMatch; $i++)
{
$matchRow=mysql_fetch_array($raceMatch);
$dXAttribute->SetName($matchRow[rule_name]);
$charAttributes[$i] = $dXAttribute->GetName();
}

That then puts the value for name into an object which I can then put into the array. When I print the array back out, I get the name values out.

Maybe not the most efficent way to do it, but I'm further along than I was when I posted my code example last night.

Thanks to everyone who replied, allowed me to work it through in my head. Better than banging my head against my desk, which is where I was last night! 😃

Skunk

bubblenut

I still don't see the point of using the object though. On each iteration you're setting the name attribute in the object with setName and then retrieving it with getName. At the end of the loop the name attribute of the object will just contain the last value put in it, I can't see how this would be of any use when you alread have that value stored in the array. Why not just cut the object out all together and put it straight into the array?

for( $i = 0; $i < $totalMatch; $i++)
{
$matchRow=mysql_fetch_array($raceMatch);
$charAttributes[$i] = $matchRow['rule_name'];
}

Skunkape

My original idea was to create an array of objects but I didn't continue on that direction. What I'll probably end up doing is creating an array of arrays and store the information that way.

Unless I brainstorm a little more and try to create an array of objects, but I'm still just getting the basics done for the code at the moment.

Skunk