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518<?php
namespace Directus\Util;
class ArrayUtils
{
/**
* Sets a value in the given array with the given key
*
* @param array $array
* @param string $key
* @param mixed $value
*/
public static function set(array &$array, $key, $value)
{
$keys = explode('.', $key);
while(count($keys) > 1) {
$key = array_shift($keys);
if (!isset($array[$key])) {
$array[$key] = [];
}
$array = &$array[$key];
}
$array[array_shift($keys)] = $value;
}
/**
* Get an item from an array
*
* @param array $array
* @param string $key
* @param mixed $default
*
* @return mixed
*/
public static function get($array, $key, $default = null)
{
if (static::exists($array, $key)) {
return $array[$key];
}
if (strpos($key, '.') !== false) {
$array = static::findDot($array, $key);
if (static::exists($array, $key)) {
return $array[$key];
}
}
return $default;
}
/**
* Gets and remove an item from the array
*
* @param array $array
* @param string $key
* @param mixed $default
*
* @return mixed
*/
public static function pull(array &$array, $key, $default = null)
{
// TODO: Implement access by separator (example dot-notation)
$value = ArrayUtils::get($array, $key, $default);
ArrayUtils::remove($array, $key);
return $value;
}
public static function has($array, $key)
{
if (static::exists($array, $key)) {
return true;
}
if (strpos($key, '.') === false) {
return false;
}
$array = static::findDot($array, $key);
return static::exists($array, $key);
}
public static function exists($array, $key)
{
return array_key_exists($key, $array);
}
/**
* Filter an array by keys
* @param $array
* @param $keys
* @param bool $omit
* @return array
*/
public static function filterByKey($array, $keys, $omit = false)
{
$result = [];
if (is_string($keys)) {
$keys = [$keys];
}
foreach ($array as $key => $value) {
$condition = in_array($key, $keys);
if ($omit) {
$condition = !$condition;
}
if ($condition) {
$result[$key] = $value;
}
}
return $result;
}
/**
* Return a copy of the object, filtered to only have values for the whitelisted keys (or array of valid keys).
* @param array $array
* @param string|array $keys
* @return array
*/
public static function pick($array, $keys)
{
return static::filterByKey($array, $keys);
}
/**
* Return a copy of the object, filtered to omit values for the blacklisted keys (or array of valid keys).
* @param array $array
* @param string|array $keys
* @return array
*/
public static function omit($array, $keys)
{
return static::filterByKey($array, $keys, true);
}
/**
* Return whether or not a set of keys exists in an array
*
* @param array $array
* @param array|mixed $keys
*
* @return bool
*/
public static function contains(array $array, $keys)
{
if (!is_array($keys)) {
$keys = [$keys];
}
foreach ($keys as $key) {
if (!array_key_exists($key, $array)) {
return false;
}
}
return true;
}
/**
* Checks whether the given array contain at least one of the given keys
*
* @param array $array
* @param array $keys
*
* @return bool
*/
public static function containsSome(array $array, array $keys)
{
foreach($keys as $key) {
if (static::has($array, $key)) {
return true;
}
}
return false;
}
/**
* Flatten a multi-dimensional associative array with a dots.
*
* @param array $array
* @param string $prepend
* @return array
*/
public static function dot($array, $prepend = '')
{
return static::flatKey('.', $array, $prepend);
}
/**
* Find a the value of an array based on a relational key (nested value)
*
* This is a better option than using dot
* Dot flatten ALL keys which make thing slower when the array is big
* to just find one value
*
* @param $array
* @param $key
*
* @return array
*/
public static function findDot($array, $key)
{
$result = static::findFlatKey('.', $array, $key);
return $result ? [$result['key'] => $result['value']] : [];
}
/**
* Flatten a multi-dimensional associative array with a character.
*
* @param string $separator
* @param array $array
* @param string $prepend
* @return array
*/
public static function flatKey($separator, $array, $prepend = '')
{
$results = [];
foreach ($array as $key => $value) {
if (is_array($value) && !empty($value)) {
$results = array_merge($results, static::flatKey($separator, $value, $prepend . $key . $separator));
}
$results[$prepend . $key] = $value;
}
return $results;
}
/**
* Find the nested value of an array using the given separator-notation key
*
* @param $separator
* @param $array
* @param $key
*
* @return array|null
*/
public static function findFlatKey($separator, $array, $key)
{
$keysPath = [];
$result = null;
if (strpos($key, $separator) !== false) {
$keys = explode($separator, $key);
$value = $array;
while ($keys) {
$k = array_shift($keys);
if (!array_key_exists($k, $value)) {
break;
}
$value = $value[$k];
$keysPath[] = $k;
if ($key == implode($separator, $keysPath)) {
$result = [
'key' => $key,
'value' => $value
];
}
// stop the search if the next value is not an array
if (!is_array($value)) {
break;
}
}
}
return $result;
}
/**
* Gets the missing values from a array in another array
*
* @param array $from
* @param array $target
*
* @return array
*/
public static function missing(array $from, array $target)
{
return static::intersection($from, $target, true);
}
/**
* Gets the missing values from a array in another array
*
* Alias of ArrayUtils::missing
*
* @param array $from
* @param array $target
*
* @return array
*/
public static function without(array $from, array $target)
{
return static::missing($from, $target);
}
/**
* Gets only the values that exists in both array
*
* @param array $arrayOne
* @param array $arrayTwo
* @param bool $without
*
* @return array
*/
public static function intersection(array $arrayOne, array $arrayTwo, $without = false)
{
$values= [];
foreach($arrayTwo as $value) {
if (in_array($value, $arrayOne) === !$without) {
$values[] = $value;
}
}
return $values;
}
/**
* Checks whether the given array has only numeric keys
*
* @param array $array
*
* @return bool
*/
public static function isNumericKeys(array $array)
{
foreach (array_keys($array) as $key) {
if (!is_numeric($key)) {
return false;
}
}
return true;
}
/**
* Sets or updates the keys in the source array into the default array
*
* @param array $defaultArray
* @param array $sourceArray
*
* @return array
*
* @link http://php.net/manual/es/function.array-merge-recursive.php#92195
*/
public static function defaults(array $defaultArray, array $sourceArray)
{
$newArray = $defaultArray;
foreach ($sourceArray as $key => $value) {
if (is_array($value) && array_key_exists($key, $defaultArray) && is_array($defaultArray[$key])) {
$newArray[$key] = static::defaults($newArray[$key], $value);
} else {
$newArray[$key] = $value;
}
}
return $newArray;
}
/**
* Gets a new array changing some or all of the given array keys
*
* @param array $array
* @param array $aliases
*
* @return array
*/
public static function aliasKeys(array $array, array $aliases)
{
$newArray = [];
foreach($array as $key => $value) {
if (in_array($key, $aliases)) {
$newArray[array_search($key, $aliases)] = $value;
} else {
$newArray[$key] = $value;
}
}
return $newArray;
}
/**
* Renames a key
*
* @param array $array
* @param string $from
* @param string $to
*
* @return int
*/
public static function rename(array &$array, $from, $to)
{
if (ArrayUtils::exists($array, $from)) {
$value = ArrayUtils::get($array, $from);
$array[$to] = $value;
ArrayUtils::remove($array, $from);
}
}
/**
* Swaps element values
*
* @param array $array
* @param string $from
* @param string $to
*
* @return int
*/
public static function swap(array &$array, $from, $to)
{
// TODO: Swap values
// if (!isset($array[$to])) {
// static::rename($array, $from, $to);
// } else {
// $temp = ArrayUtils::get($array, $from);
// $array[$from] = ArrayUtils::get($array, $to);
// $array[$to] = $temp;
// }
}
/**
* Pushes a new element at the end of the given array
*
* @param array $array
* @param $value
*
* @return int
*/
public static function push(array &$array, $value)
{
return array_push($array, $value);
}
/**
* Pulls the last element from the given array
*
* @param array $array
*
* @return mixed
*/
public static function pop(array &$array)
{
return array_pop($array);
}
/**
* Pulls the first element from the given array
*
* @param array $array
*
* @return mixed
*/
public static function shift(array &$array)
{
return array_shift($array);
}
/**
* Removes one or more key from the given array
*
* @param array $array
* @param $keys
*/
public static function remove(array &$array, $keys)
{
if (!is_array($keys)) {
$keys = [$keys];
}
foreach($keys as $key) {
unset($array[$key]);
}
}
/**
* Gets how deep is the given array
*
* 0 = no child
*
* @param array $array
*
* @return int
*/
public static function deepLevel($array)
{
$depth = 0;
foreach ($array as $value) {
if (is_array($value)) {
$depth = max(static::deepLevel($value) + 1, $depth);
}
}
return $depth;
}
}