*
* @since 5.5.0
*
* @link https://www.php.net/manual/en/iterator.next.php
*/
#[ReturnTypeWillChange]
public function next() {
next( $this->blocks );
}
/**
* Checks if current position is valid.
*
* @since 5.5.0
*
* @link https://www.php.net/manual/en/iterator.valid.php
*/
#[ReturnTypeWillChange]
public function valid() {
return null !== key( $this->blocks );
}
/**
* Returns the count of blocks in the list.
*
* @since 5.5.0
*
* @link https://www.php.net/manual/en/countable.count.php
*
* @return int Block count.
*/
#[ReturnTypeWillChange]
public function count() {
return count( $this->blocks );
}
}
ing $parentKey The parent key.
* @return array The intersected array.
*/
public function arrayIntersectRecursive( $array1, $array2, $allowedKey = '', $parentKey = '' ) {
if ( ! $allowedKey || $allowedKey === $parentKey ) {
$array1 = $this->arrayIntersectRecursiveHelper( $array1, $array2 );
}
if ( empty( $array1 ) ) {
return [];
}
foreach ( $array1 as $k => $v ) {
if ( is_array( $v ) && isset( $array2[ $k ] ) ) {
$array1[ $k ] = $this->arrayIntersectRecursive( $array1[ $k ], $array2[ $k ], $allowedKey, $k );
}
}
if ( $this->isArrayNumeric( $array1 ) ) {
$array1 = array_values( $array1 );
}
return $array1;
}
/**
* Recursively intersects the two given arrays. Supports arrays with a mix of nested arrays and primitive values.
* Helper function for arrayIntersectRecursive().
*
* @since 4.5.4
*
* @param array $array1 The first array.
* @param array $array2 The second array.
* @return array The intersected array.
*/
private function arrayIntersectRecursiveHelper( $array1, $array2 ) {
if ( null === $array2 ) {
$array2 = [];
}
if ( is_array( $array1 ) ) {
// First, check with keys are nested arrays and which are primitive values.
$arrays = [];
$primitives = [];
foreach ( $array1 as $k => $v ) {
if ( is_array( $v ) ) {
$arrays[ $k ] = $v;
} else {
$primitives[ $k ] = $v;
}
}
// Then, intersect the primitive values.
$intersectedPrimitives = array_intersect_assoc( $primitives, $array2 );
// Finally, recursively intersect the nested arrays.
$intersectedArrays = [];
foreach ( $arrays as $k => $v ) {
if ( isset( $array2[ $k ] ) ) {
$intersectedArrays[ $k ] = $this->arrayIntersectRecursiveHelper( $v, $array2[ $k ] );
} else {
// If the nested array doesn't exist in the second array, we can just unset it.
unset( $arrays[ $k ] );
}
}
// Merge the intersected arrays and primitive values.
return array_merge( $intersectedPrimitives, $intersectedArrays );
}
return array_intersect_assoc( $array1, $array2 );
}
/**
* Sorts the keys of an array alphabetically.
* The array is passed by reference, so it's not returned the same as in `ksort()`.
*
* @since 4.4.0.3
*
* @param array $array The array to sort, passed by reference.
*/
public function arrayRecursiveKsort( &$array ) {
foreach ( $array as &$value ) {
if ( is_array( $value ) ) {
$this->arrayRecursiveKsort( $value );
}
}
ksort( $array );
}
/**
* Creates a multidimensional array from a list of keys and a value.
*
* @since 4.5.3
*
* @param array $keys The keys to create the array from.
* @param mixed $value The value to assign to the last key.
* @param array $array The array when recursing.
* @return array The multidimensional array.
*/
public function createMultidimensionalArray( $keys, $value, $array = [] ) {
$key = array_shift( $keys );
if ( empty( $array[ $key ] ) ) {
$array[ $key ] = null;
}
if ( 0 < count( $keys ) ) {
$array[ $key ] = $this->createMultidimensionalArray( $keys, $value, $array[ $key ] );
} else {
$array[ $key ] = $value;
}
return $array;
}
}
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