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189 lines (162 loc) · 4.47 KB
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<?php
/**
* JSONPath implementation for PHP.
*
* @license https://github.com/SoftCreatR/JSONPath/blob/main/LICENSE MIT License
*/
namespace Flow\JSONPath;
use ArrayAccess;
class AccessHelper
{
/**
* @param array|ArrayAccess $collection
*
* @return array
*/
public static function collectionKeys($collection)
{
if (is_object($collection)) {
return array_keys(get_object_vars($collection));
}
return array_keys($collection);
}
/**
* @param array|ArrayAccess $collection
*
* @return bool
*/
public static function isCollectionType($collection)
{
return is_array($collection) || is_object($collection);
}
/**
* @param array|ArrayAccess $collection
* @param mixed $key
* @param bool $magicIsAllowed
*
* @return bool
*/
public static function keyExists($collection, $key, $magicIsAllowed = false)
{
if ($magicIsAllowed && is_object($collection) && method_exists($collection, '__get')) {
return true;
}
if (is_int($key) && $key < 0) {
$key = abs($key);
}
if (is_array($collection) || $collection instanceof ArrayAccess) {
return array_key_exists($key, $collection);
}
if (is_object($collection)) {
return property_exists($collection, (string)$key);
}
return false;
}
/**
* @param array|ArrayAccess $collection
* @param mixed $key
* @param bool $magicIsAllowed
*
* @return mixed|null
* @noinspection NotOptimalIfConditionsInspection
*
* @todo Optimize conditions
*/
public static function getValue($collection, $key, $magicIsAllowed = false)
{
$return = null;
if (
$magicIsAllowed &&
is_object($collection) &&
!$collection instanceof ArrayAccess && method_exists($collection, '__get')
) {
$return = $collection->__get($key);
} elseif (is_object($collection) && !$collection instanceof ArrayAccess) {
$return = $collection->$key;
} elseif (is_array($collection)) {
if (is_int($key) && $key < 0) {
$return = array_slice($collection, $key, 1, false)[0];
} else {
$return = $collection[$key];
}
} elseif (is_int($key)) {
$return = self::getValueByIndex($collection, $key);
} else {
$return = $collection[$key];
}
return $return;
}
/**
* Find item in php collection by index
* Written this way to handle instances ArrayAccess or Traversable objects
*
* @param array|ArrayAccess $collection
* @param mixed $key
*
* @return mixed|null
*/
private static function getValueByIndex($collection, $key)
{
$i = 0;
foreach ($collection as $val) {
if ($i === $key) {
return $val;
}
++$i;
}
if ($key < 0) {
$total = $i;
$i = 0;
foreach ($collection as $val) {
if ($i - $total === $key) {
return $val;
}
++$i;
}
}
return null;
}
/**
* @param array|ArrayAccess $collection
* @param mixed $key
* @param mixed $value
*
* @return mixed
*/
public static function setValue(&$collection, $key, $value)
{
if (is_object($collection) && !$collection instanceof ArrayAccess) {
return $collection->$key = $value;
}
return $collection[$key] = $value;
}
/**
* @param array|ArrayAccess $collection
* @param mixed $key
*/
public static function unsetValue(&$collection, $key)
{
if (is_object($collection) && !$collection instanceof ArrayAccess) {
unset($collection->$key);
} else {
unset($collection[$key]);
}
}
/**
* @param array|ArrayAccess $collection
*
* @throws JSONPathException
*
* @return array|ArrayAccess
*/
public static function arrayValues($collection)
{
if (is_array($collection)) {
return array_values($collection);
}
if (is_object($collection)) {
return array_values((array)$collection);
}
throw new JSONPathException("Invalid variable type for arrayValues");
}
}