ET: Add purchase time on the Attendees admin page in Event Tickets

add-purchase-time.php

<?php
/* Description:  Add purchase time on the Attendees admin page in Event Tickets
 * Usage:        Paste the below snippet into your active (child) theme's functions.php file
 *
 * Plugin:       Event Tickets
 * Author:       Andras Guseo
 * Last updated: 2021-01-20
 */

// Adding an extra column header for Purchase time
add_filter( 'tribe_tickets_attendee_table_columns', 'tec_et_purchase_time_column' );

function tec_et_purchase_time_column( $columns ) {
	/**
	 * Choose below after which column you would like to add the purchase time
	 * 'cb', 'ticket', 'primary_info', 'security', 'status', 'check_in'
	 */
	$insert_after_column = 'primary_info';

	foreach ( $columns as $key => $value ) {
		$new_columns[$key] = $value;
		
		if ( $key == $insert_after_column ) {
			$new_columns['purchase_time'] = "Purchase time";
		}
	}

	return $new_columns;
}

// Adding the values to the purchase time column
add_filter( 'tribe_events_tickets_attendees_table_column', 'tec_et_purchase_time_column_data', 10, 3 );

function tec_et_purchase_time_column_data( $value, $item, $column ) {
	if ( $column == 'purchase_time' ) {
		$ptime = strtotime( $item['purchase_time'] );

		$ptime = date( get_option( 'date_format' ), $ptime ) .
			' at ' .
			date( get_option( 'time_format' ), $ptime );
		$value = $ptime;
	}
	return $value;
}