gpnf-prevent-exporting-orphaned-entries-with-gravityexport.php: Fixed issue where non-child-entries would not be exported.

Author: spivurno

gp-nested-forms/gpnf-prevent-exporting-orphaned-entries-with-gravityexport.php

@@ -14,7 +14,7 @@
 add_filter( 'gfexcel_output_rows', function( $rows ) {
 	for ( $i = count( $rows ) - 1; $i >= 0; $i-- ) {
 		foreach ( $rows[ $i ] as $row_value ) {
-			if ( $row_value->getField()->id == 'gpnf_entry_parent' && ! is_numeric( $row_value->getValue() ) ) {
+			if ( $row_value && $row_value->getField()->id == 'gpnf_entry_parent' && $row_value->getValue() && ! is_numeric( $row_value->getValue() ) ) {
 				unset( $rows[ $i ] );
 			}
 		}