class-wpml-multilingual-options-array-helper.php
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<?php
/**
* Class WPML_Multilingual_Options_Array_Helper
*/
class WPML_Multilingual_Options_Array_Helper {
/**
* @param array $value1
* @param array $value2
*
* @return array
*/
public function array_diff_recursive( array $value1, array $value2 ) {
$diff = array();
foreach ( $value1 as $k => $v ) {
if ( $this->in_array( $value2, $v, $k ) ) {
$temp_diff = $this->array_diff_recursive( $v, $value2[ $k ] );
if ( $temp_diff ) {
$diff[ $k ] = $temp_diff;
}
} elseif ( ! array_key_exists( $k, $value2 ) || $v !== $value2[ $k ] ) {
$diff[ $k ] = $v;
}
}
return $diff;
}
/**
* @param array $target
* @param array $source
*
* @return array
*/
public function recursive_merge( array $target, array $source ) {
foreach ( $source as $k => $v ) {
if ( $this->in_array( $target, $v, $k ) ) {
$target[ $k ] = $this->recursive_merge( $target[ $k ], $v );
} else {
$target[ $k ] = $v;
}
}
return $target;
}
/**
* @param array $haystack
* @param mixed $needle
* @param string $needle_key
*
* @return bool
*/
private function in_array( array $haystack, $needle, $needle_key ) {
return is_array( $needle ) && array_key_exists( $needle_key, $haystack ) && is_array( $haystack[ $needle_key ] );
}
}