Snippet Name: Unique Array function
Description: Similar to array_unique(), but implemented manually.
Also see:
» Unset unkown array element
» Parse RSS into array
» Quickly sort associative arrays
» Recursively traverse array
» Combining three arrays into one
» Combining two arrays into one
» Check if array is associative
» Pick Randomly from Array
» HEX to RGB array
» Filter Empty Array Elements
Comment: (none)
Language: PHP
Highlight Mode: PHP
Last Modified: March 16th, 2009
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<?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;
}
?> |
