03-06-2008
algorithms, libraries, re-inventions
I'm having a little trouble understanding your pseudo code, but it sounds like it might be best to just approach the problem as if it is one array, and one sort. Then, if the second array needs to sort differently, just change the comparison method in the sort.
The bubble sort algorithm is in a lot of different books, but it makes sense to just use a library routine. To sort a single array, the set<> class might work out for you. Also, the standard library does provide a sort family.
-Jmt
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LEARN ABOUT PHP
array_merge_recursive
ARRAY_MERGE_RECURSIVE(3) 1 ARRAY_MERGE_RECURSIVE(3)
array_merge_recursive - Merge two or more arrays recursively
SYNOPSIS
array array_merge_recursive (array $array1, [array $...])
DESCRIPTION
array_merge_recursive(3) merges the elements of one or more arrays together so that the values of one are appended to the end of the previ-
ous one. It returns the resulting array.
If the input arrays have the same string keys, then the values for these keys are merged together into an array, and this is done recur-
sively, so that if one of the values is an array itself, the function will merge it with a corresponding entry in another array too. If,
however, the arrays have the same numeric key, the later value will not overwrite the original value, but will be appended.
PARAMETERS
o $array1
- Initial array to merge.
o $...
- Variable list of arrays to recursively merge.
RETURN VALUES
An array of values resulted from merging the arguments together.
EXAMPLES
Example #1
array_merge_recursive(3) example
<?php
$ar1 = array("color" => array("favorite" => "red"), 5);
$ar2 = array(10, "color" => array("favorite" => "green", "blue"));
$result = array_merge_recursive($ar1, $ar2);
print_r($result);
?>
The above example will output:
Array
(
[color] => Array
(
[favorite] => Array
(
[0] => red
[1] => green
)
[0] => blue
)
[0] => 5
[1] => 10
)
SEE ALSO
array_merge(3), array_replace_recursive(3).
PHP Documentation Group ARRAY_MERGE_RECURSIVE(3)