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Combining Two Unequal Arrays by Matching Keys


claro

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I have here two arrays. Array1 has a related value to array2. What I need is that I'm going to save both values at once. I've used 'array_combine' function but my arrays are having unequal keys. Any help is greatly appreciated. Thank you.

 

$type = $_POST['dev_type'];
$sn = $_POST['dev_sn'];
Array
(
   [0] => 22
   [1] => 19
   [2] => 66
   [3] => 62
   [4] => 64
)
Array
(
   [0] => sn1
   [1] => sn2
   [2] => sn3
)

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This is most likely a problem with the PHP code that generates the HTML, which generates the values above. You need to establish the relationship between the values at the earliest possible moment, preferably via the keys (if they hold no other significant information).

Doing that should make it trivial to match them up after the form has been submitted.

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do you mean something like this?

 

<?php

$type = Array
(
    0 => 22,
    1 => 19,
    2 => 66,
    3 => 62,
    4 => 64
);

$sn = Array
(
    0 => sn1,
    1 => sn2,
    2 => sn3,
    5 => sn4
);

$result = array();
foreach ($type as $k => $v1) {
   $v2 = '';
   if (isset($sn[$k])) {
    $v2 = $sn[$k];
    unset ($sn[$k]);
   }
   $result[$k] = array ('type'=>$v1, 'sn'=>$v2);
}

// now any remaining in sn array
foreach ($sn as $k=>$v2) {
   $result[$k] = array ('type'=>0, 'sn'=>$v2);
}

echo '<pre>',print_r($result, true),'</pre>';


/*
RESULTS:

Array
(
   [0] => Array
    (
	    [type] => 22
	    [sn] => sn1
    )

   [1] => Array
    (
	    [type] => 19
	    [sn] => sn2
    )

   [2] => Array
    (
	    [type] => 66
	    [sn] => sn3
    )

   [3] => Array
    (
	    [type] => 62
	    [sn] =>
    )

   [4] => Array
    (
	    [type] => 64
	    [sn] =>
    )

   [5] => Array
    (
	    [type] => 0
	    [sn] => sn4
    )

)
*/
?>

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