PHP Code: Unique Array function - Similar to array unique(), but implemented manually.

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PHP Code: Unique Array function

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Snippet Name: Unique Array function

Description: Similar to array_unique(), but implemented manually.

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Comment: (none)

Language: PHP
Highlight Mode: PHP
Last Modified: March 16th, 2009

<?PHP
 
FUNCTION uniqueArray($array)
{
// Get unique elts as keys in assoc. array
FOR ($i=0,$n=COUNT($array, 1);$i<$n;$i++)
     $u_array[$array[$i]] = 1;
 
// Copy keys only into another array
RESET($u_array, 1);
FOR ($i=0,$n=COUNT($u_array, 1);$i<$n;$i++) {
     $unduplicated_array[] = KEY($u_array, 1);
     NEXT($u_array, 1);
}
RETURN $unduplicated_array;
}
 
?>

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