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Update waUtils::extractValuesByKeys #309

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Update waUtils::extractValuesByKeys #309

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58feea6
Update waUtils::extractValuesByKeys
Feb 15, 2019
4173383
Update waUtils.class.php
Feb 15, 2019
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34 changes: 26 additions & 8 deletions wa-system/util/waUtils.class.php
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Original file line number Diff line number Diff line change
Expand Up @@ -190,11 +190,12 @@ public static function orderKeys(array $array, $order = array())
}

/**
* Extract from input associative array only specified keys
* Extract from input associative array only specified keys.
* @param $array
* @param array $keys
* @param bool $skip Default True
* @param bool $skip default true
* @param mixed $populate
* @param mixed $multi default false, set key or true for extract keys from sub arrays
*
* That values of $keys that aren't keys in $array will be
* + skipped - If $skip === True (default value)
Expand All @@ -215,17 +216,34 @@ public static function orderKeys(array $array, $order = array())
* $fruits = waUtils::extractValuesByKeys($fruits, $keys, false, 0);
* $fruits === array('orange' => 200, 'watermelon' => 400, 'strawberry' => 0);
*
* Example with multi
*
* $users = [['id' => 1, 'name' => 'A', 'age' => 18], ['id' => 2, 'name' => 'B', 'age' => 15]];
* $result = waUtils::extractValuesByKeys($users, ['name', 'age'], true, null, true);
* $result === [['name' => 'A', 'age' => 18], ['name' => 'B', 'age' => 15]];
* $result = waUtils::extractValuesByKeys($users, ['name', 'age'], true, null, 'id');
* $result === [1 => ['name' => 'A', 'age' => 18], 2 => ['name' => 'B', 'age' => 15]];
*
* @return array
* @since 1.10.0
*/
public static function extractValuesByKeys(array $array, $keys = array(), $skip = true, $populate = null)
public static function extractValuesByKeys(array $array, $keys, $skip = true, $populate = null, $multi = false)
{
$result = array();
foreach ($keys as $key) {
if (array_key_exists($key, $array)) {
$result[$key] = $array[$key];
} elseif (!$skip) {
$result[$key] = $populate;
if ($multi) {
foreach ($array as $key => $sub_array) {
if (!is_bool($multi)) {
$key = $multi;
}
$result[$key] = self::extractValuesByKeys($sub_array, $keys, $skip, $populate, false);
}
} else {
foreach ($keys as $key) {
if (array_key_exists($key, $array)) {
$result[$key] = $array[$key];
} elseif (!$skip) {
$result[$key] = $populate;
}
}
}
return $result;
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