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verticalslice and reindex cleanups and tests

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This commit is contained in:
Sergey Tsalkov
2012-09-20 20:50:05 -07:00
parent 2ffb770f8a
commit ed347e841a
4 changed files with 67 additions and 3 deletions
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15
db.class.php
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@@ -882,10 +882,18 @@ class DBHelper {
*/
public static function verticalSlice($array, $field, $keyfield = null) {
$array = (array) $array;
$R = array();
foreach ($array as $obj) {
if ($keyfield) $R[$obj[$keyfield]] = $obj[$field];
else $R[] = $obj[$field];
if (! array_key_exists($field, $obj)) die("verticalSlice: array doesn't have requested field\n");
if ($keyfield) {
if (! array_key_exists($keyfield, $obj)) die("verticalSlice: array doesn't have requested field\n");
$R[$obj[$keyfield]] = $obj[$field];
} else {
$R[] = $obj[$field];
}
}
return $R;
}
@@ -898,12 +906,15 @@ class DBHelper {
public static function reIndex() {
$fields = func_get_args();
$array = array_shift($fields);
$array = (array) $array;
$R = array();
foreach ($array as $obj) {
$target =& $R;
foreach ($fields as $field) {
if (! array_key_exists($field, $obj)) die("reIndex: array doesn't have requested field\n");
$nextkey = $obj[$field];
$target =& $target[$nextkey];
}