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Merge pull request #8188 from gelysis/array-lib

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Tweaks on the ArrayLib class
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Daniel Hensby 2018-06-19 15:06:39 +01:00 committed by GitHub
commit a7a45559f0
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1 changed files with 20 additions and 39 deletions
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59
src/ORM/ArrayLib.php
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@ -75,28 +75,14 @@ class ArrayLib
}
/**
* @todo Improve documentation
* Flattens a multi-dimensional array to a one level array without preserving the keys
*
* @param array $arr
* @param array $array
* @return array
*/
public static function array_values_recursive($arr)
public static function array_values_recursive($array)
{
$lst = array();
foreach (array_keys($arr) as $k) {
$v = $arr[$k];
if (is_scalar($v)) {
$lst[] = $v;
} elseif (is_array($v)) {
$lst = array_merge(
$lst,
self::array_values_recursive($v)
);
}
}
return $lst;
return self::flatten($array, false);
}
/**
@ -123,25 +109,19 @@ class ArrayLib
* Determines if an array is associative by checking for existing keys via
* array_key_exists().
*
* @see http://nz.php.net/manual/en/function.is-array.php#76188
* @see http://nz.php.net/manual/en/function.is-array.php#121692
*
* @param array $arr
* @param array $array
*
* @return boolean
*/
public static function is_associative($arr)
public static function is_associative($array)
{
if (is_array($arr) && !empty($arr)) {
for ($iterator = count($arr) - 1; $iterator; $iterator--) {
if (!array_key_exists($iterator, $arr)) {
return true;
}
}
$isAssociative = !empty($array)
&& is_array($array)
&& ($array !== array_values($array));
return !array_key_exists(0, $arr);
}
return false;
return $isAssociative;
}
/**
@ -252,17 +232,18 @@ class ArrayLib
*/
public static function flatten($array, $preserveKeys = true, &$out = array())
{
foreach ($array as $key => $child) {
if (is_array($child)) {
$out = self::flatten($child, $preserveKeys, $out);
} else {
if ($preserveKeys) {
$out[$key] = $child;
array_walk_recursive(
$array,
function ($value, $key) use (&$out, $preserveKeys) {
if (!is_scalar($value)) {
// Do nothing
} elseif ($preserveKeys) {
$out[$key] = $value;
} else {
$out[] = $child;
$out[] = $value;
}
}
}
);
return $out;
}