protected function persist_removed( $removed ) {

		$cached = wp_cache_get( $this->parent->get_pk(), $this->get_cache_group() ) ?: array();

		global $wpdb;

		$where = new Where( 1, false, 1 );

		foreach ( $removed as $model ) {

			$i = array_search( $this->saver->get_pk( $model ), $cached );

			if ( $i !== false ) {
				unset( $cached[ $i ] );
			}

			$remove_where = new Where( $this->other_column, true, esc_sql( $this->parent->get_pk() ) );
			$remove_where->qAnd(
				new Where( $this->primary_column, true, esc_sql( $this->saver->get_pk( $model ) ) )
			);

			$where->qOr( $remove_where );
		}

		wp_cache_set( $this->parent->get_pk(), $cached, $this->get_cache_group() );

		$wpdb->query( "DELETE FROM `{$this->association->get_table_name( $wpdb )}` $where" );
	}
protected function persist_removed( $removed ) {

		$cached = wp_cache_get( $this->parent->get_pk(), $this->get_cache_group() ) ?: array();

		global $wpdb;

		$where = new Where( 1, false, 1 );

		foreach ( $removed as $model ) {

			$i = array_search( $this->saver->get_pk( $model ), $cached );

			if ( $i !== false ) {
				unset( $cached[ $i ] );
			}

			$remove_where = new Where( $this->other_column, true, esc_sql( $this->parent->get_pk() ) );
			$remove_where->qAnd(
				new Where( $this->primary_column, true, esc_sql( $this->saver->get_pk( $model ) ) )
			);

			$where->qOr( $remove_where );
		}

		wp_cache_set( $this->parent->get_pk(), $cached, $this->get_cache_group() );

		$wpdb->query( "DELETE FROM `{$this->association->get_table_name( $wpdb )}` $where" );
	}
protected function persist_removed ( $ removed ) { $ cached = wp_cache_get ( $ this -> parent -> get_pk ( ) , $ this -> get_cache_group ( ) ) ? : array ( ) ; global $ wpdb ; $ where = new Where ( 1 , false , 1 ) ; foreach ( $ removed as $ model ) { $ i = array_search ( $ this -> saver -> get_pk ( $ model ) , $ cached ) ; if ( $ i !== false ) { unset ( $ cached [ $ i ] ) ; } $ remove_where = new Where ( $ this -> other_column , true , esc_sql ( $ this -> parent -> get_pk ( ) ) ) ; $ remove_where -> qAnd ( new Where ( $ this -> primary_column , true , esc_sql ( $ this -> saver -> get_pk ( $ model ) ) ) ) ; $ where -> qOr ( $ remove_where ) ; } wp_cache_set ( $ this -> parent -> get_pk ( ) , $ cached , $ this -> get_cache_group ( ) ) ; $ wpdb -> query ( "DELETE FROM `{$this->association->get_table_name( $wpdb )}` $where" ) ; }
Persist the removed models.

@since 2.0

@param DoctrineCollection $removed
Persist the removed models .