From Tablepress wordpress plugin get the time of the latest modified table

functions.php

//With the help of this existing code block inside the plugin https://github.com/TablePress/TablePress/blob/ea2ecc02d3b69925b7322dd195f1a32898b59c38/classes/class-import.php#L375-L382

<?php
function column_table_last_modified() {
	$existing_tables = array();
	// Load all table IDs and names for a comparison with the file name.
	$table_ids = TablePress::$model_table->load_all( false );
	foreach ( $table_ids as $table_id ) {
		// Load table, without table data, options, and visibility settings.
		$table = TablePress::$model_table->load( $table_id, false, false );
		if ( ! is_wp_error( $table ) ) {
			$existing_tables[ $table['name'] ] = $table['id']; // Attention: The table name is not unique!
			$lates_modified_table[] = strtotime(do_shortcode('[table-info id='.$table['id'].' field=last_modified /]'));
		}
	}
	rsort($lates_modified_table);
	echo '<pre>'; print_r($lates_modified_table[0]); echo '</pre>';
	echo date('d M Y H:i:s',$lates_modified_table[0]);
}
add_shortcode('tablepress_query', 'column_table_last_modified');
?>