Online PHP editor | refs for P3VAM

<?php $about_group = array( 'group_label' => 'About', 'group_description' => 'Overview of export report', 'items' => array(), ); $groups = 'Not an array'; if ( is_array( $groups ) ) { $groups = array_merge( array( 'about' => $about_group ), $groups ); $groups_count = count( $groups ); } else { // _doing_it_wrong() here. echo "_doing_it_wrong \n"; $groups = null; $groups_count = 0; } // Test and output results. var_dump( $groups ); var_dump( $groups_count ); $groups_json = json_encode( $groups ); var_dump( $groups_json );