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$5
Combine 2 arrays to 1

How to combine 2 arrays to 1?

I have two arrays:

Array (

	[0] => stdClass Object (

		[name] => John

		[id] => 1

	)

}	



Array (

	[0] => stdClass Object (

		[meta_value] => 9

		[id] => 1

	)

}

I need to get:

Array (

	[0] => stdClass Object (

		[meta_value] => 9

		[name] => John

		[id] => 1

	)

}

This question has been answered.

Igor | 05/25/12 at 12:32pm Edit

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(7) Possible Answers Submitted...

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Last edited:
05/25/12
12:39pm
Arnav Joy says:
use this
<?php $result = array_unique(array_merge($array1, $array2)); ?>
- 05/25/12 12:50pm
  
  Igor says:
  Hi Arnav,
  
  Unfortunately, I've got an error:
  
  Catchable fatal error: Object of class stdClass could not be converted to string
- 05/25/12 4:20pm
  
  Arnav Joy says:
  try this
  
  <?php
  
  $array1 = array(0 => array(
  
  'name' => 'John',
  
  'id' => 1
  
  ));
  
  $array2 = array(0 => array(
  
  'meta_value' => 9,
  
  'id' => 1
  
  ));
  
  $array3 = new stdClass();
  
  foreach ($array1 as $k => $val) {
  
  foreach($val as $key => $value) {
  
  $array3->{$key} = $value;
  
  }
  
  }
  
  foreach ($array2 as $k => $val) {
  
  foreach($val as $key => $value) {
  
  $array3->{$key} = $value;
  
  }
  
  }
  
  $arr[0] = $array3 ;
  
  print_r( $arr );
  
  ?>
Last edited:
05/25/12
12:40pm
Daniel Yoen says:
<?php
$array1 = array();
$array2 = array();
$result = array_merge($array1, $array2);
?>

Last edited:
05/25/12
12:43pm

Francisco Javier Carazo Gil says:

You have: array_a and array_b, well:



array_new = array();



for($i = 0; $i < count($array_a); $i++)

{

array_new[] = array_unique(array_merge($array_a[$i], $array_b[$i]));

}

Hope this helps!

05/25/12 12:43pm

Francisco Javier Carazo Gil says:

You have: array_a and array_b, well:



array_new = array();



for($i = 0; $i < count($array_a); $i++)

{

array_new[] = array_unique(array_merge($array_a[$i], $array_b[$i]));

}

Hope this helps!

Last edited:
05/25/12
12:43pm
Jerson Baguio says:
try array_merge i think this is the function to achieve your target array

http://www.w3schools.com/php/func_array_merge.asp
Last edited:
05/25/12
12:47pm
rizaljohn says:
Or you can simply add to arrays like:
```
$combine_array = $array1 + $array2; 
```
Last edited:
05/25/12
12:55pm
Kailey Lampert says:
```
$merged = array( (object) array_merge((array) $array1[0], (array) $array2[0]) );
```
I created the the arrays you wanted to merge and tested the script. Screenshot: http://cl.ly/Gttn

Previous versions of this answer: 05/25/12 at 12:55pm
- 05/25/12 1:10pm
  
  Igor says:
  Kailey,
  
  Thank you for a reply. That almost works for me. Is there way to get result by the same way in case I have a few arrays on each sides?
  
  e.g.
```
Array (



	[0] => stdClass Object (



		[name] => John



		[id] => 1



	)



}	



Array (



	[1] => stdClass Object (



		[name] => Mark



		[id] => 2



	)



}	
```
```
Array (



	[0] => stdClass Object (



		[meta_value] => 9



		[id] => 1



	)



}





Array (



	[1] => stdClass Object (



		[meta_value] => 10



		[id] => 2



	)



}
```
- 05/25/12 1:25pm
  
  Kailey Lampert says:
  I'm assuming an key of 0 in my little script.
  
  Depending on how many you're dealing with, you can run the script a few times and manually change the keys:
```
$merged = array( (object) array_merge((array) $array1[1], (array) $array2[1]) );
```
  If you have a whole bunch, you can run it through a loop. I'm assuming 20 below:
```
for( $i = 0; $i <= 20; ++$i ) {

	$merged = array( (object) array_merge((array) $array1[ $i ], (array) $array2[ $i ]) );

}
```
  Are you dealing with a lot of variables, each containing an array with an object? Or just one variable containing an array of arrays each containing an object?
- 05/25/12 1:48pm
  
  Igor says:
  I have a very similar arrays. An originaly, I just need to copy [name] from first array to the second array.
  
  Your example with for operator works too, however, in this case $merged result will be rewrited on each time of looping.
- 05/25/12 1:50pm
  
  Kailey Lampert says:
  True, but I also don't know what you want your end result to look like. maybe:
```
$merged = array();

for( $i = 0; $i <= 20; ++$i ) {



	$merged[] = array( (object) array_merge((array) $array1[ $i ], (array) $array2[ $i ]) );



}
```

Last edited:
05/25/12
12:57pm

Luis Abarca says:

Try this simple way

http://codepad.org/SMw5TrEJ



<?php



$array_a = array(0 => array(

    'name' => 'John',

    'id' => 1

));



$array_b = array(0 => array(

    'meta_value' => 9,

    'id' => 1

));



$array_c = array();



foreach ($array_a as $key => $subarray) {

    foreach($subarray as $name => $value) {

        $array_c[$key][$name] = $value;

    }

}



foreach ($array_b as $key => $subarray) {

    foreach($subarray as $name => $value) {

        $array_c[$key][$name] = $value;

    }

}



print_r( $array_c );

05/25/12 1:19pm

Igor says:
Hi Luis,

Thank you! That almost works for me.

However I've got Array instead of stdClass Object:

Your example:

Array (

[0] => Array (

[meta_value] => 9

[name] => John

[id] => 1

)

}

instead of:

Array (

[0] => stdClass Object (

[meta_value] => 9

[name] => John

[id] => 1

)

}

How to get a correct result?

05/25/12 2:09pm

Luis Abarca says:

Change the array for an stdClass

http://codepad.org/6rs4DZAO



<?php



$array_a = array(0 => array(

    'name' => 'John',

    'id' => 1

));



$array_b = array(0 => array(

    'meta_value' => 9,

    'id' => 1

));



$array_c = new stdClass();



foreach ($array_a as $key => $subarray) {

    foreach($subarray as $name => $value) {

        $array_c->{$name} = $value;

    }

}



foreach ($array_b as $key => $subarray) {

    foreach($subarray as $name => $value) {

        $array_c->{$name} = $value;

    }

}



print_r( $array_c );

05/25/12 4:06pm

Igor says:

Now I've got a

stdClass Object (

	[meta_value] => 9

	[name] => Metal Professionals

	[id] => 1

	)

But I need a

Array (

	[0] => stdClass Object (

		[meta_value] => 9

		[name] => Metal Professionals

		[id] => 1

		)

I appreciate your help.

05/25/12 4:13pm

Luis Abarca says:

Ohh i see, just add the object to an array,

http://codepad.org/DLXR9eQr



<?php



$array_a = array(0 => array(

    'name' => 'John',

    'id' => 1

));



$array_b = array(0 => array(

    'meta_value' => 9,

    'id' => 1

));



$array_c = array();



foreach ($array_a as $key => $subarray) {



    $array_c[$key] = new stdClass();



    foreach($subarray as $name => $value) {

        $array_c[$key]->{$name} = $value;

    }

}



foreach ($array_b as $key => $subarray) {

    foreach($subarray as $name => $value) {

        $array_c[$key]->{$name} = $value;

    }

}



print_r( $array_c );

05/25/12 4:15pm

Luis Abarca says:

This way

http://codepad.org/DLXR9eQr



<?php



$array_a = array(0 => array(

    'name' => 'John',

    'id' => 1

));



$array_b = array(0 => array(

    'meta_value' => 9,

    'id' => 1

));



$array_c = array();



foreach ($array_a as $key => $subarray) {



    $array_c[$key] = new stdClass();



    foreach($subarray as $name => $value) {

        $array_c[$key]->{$name} = $value;

    }

}



foreach ($array_b as $key => $subarray) {

    if (!is_object($array_c[$key])) {

        $array_c[$key] = new stdClass();

    }



    foreach($subarray as $name => $value) {

        $array_c[$key]->{$name} = $value;

    }

}



print_r( $array_c );

05/25/12 4:32pm

Igor says:
BINGO! Thats that I need!

That works! Amazing!

Luis,

Thank you so much for your time. I'm really appreciate your help.

PS: Can I doubled the bet for another small question? Is there way to sort $array_c by meta_value key value? I mean DESC order.

05/25/12 5:27pm

Igor says:

I've found a solution.

function cmp($a, $b) {



	if ($a->meta_value == $b->meta_value) :



		return 0;



	else :



		return $a->meta_value < $b->meta_value ? 1 : -1;



	endif;

}



usort($array_c, 'cmp');

Luis,

Thanks again!

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Gabriel Reguly, Igor, Arnav Joy voted on this question.

Current status of this question: Completed

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$5 Combine 2 arrays to 1

(7) Possible Answers Submitted...

$5
Combine 2 arrays to 1