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wc_get_orders() WC 2.6.0

Standard way of retrieving orders based on certain parameters.

This function should be used for order retrieval so that when we move to custom tables, functions still work.

Args and usage: https://github.com/woocommerce/woocommerce/wiki/wc_get_orders-and-WC_Order_Query

No Hooks.

Return

WC_Order[]|stdClass. Number of pages and an array of order objects if paginate is true, or just an array of values.

Usage

wc_get_orders( $args );
$args(array) (required)
Array of args (above).

Changelog

Since 2.6.0 Introduced.

Code of wc_get_orders() WC 5.3.0

<?php
function wc_get_orders( $args ) {
	$map_legacy = array(
		'numberposts'    => 'limit',
		'post_type'      => 'type',
		'post_status'    => 'status',
		'post_parent'    => 'parent',
		'author'         => 'customer',
		'email'          => 'billing_email',
		'posts_per_page' => 'limit',
		'paged'          => 'page',
	);

	foreach ( $map_legacy as $from => $to ) {
		if ( isset( $args[ $from ] ) ) {
			$args[ $to ] = $args[ $from ];
		}
	}

	// Map legacy date args to modern date args.
	$date_before = false;
	$date_after  = false;

	if ( ! empty( $args['date_before'] ) ) {
		$datetime    = wc_string_to_datetime( $args['date_before'] );
		$date_before = strpos( $args['date_before'], ':' ) ? $datetime->getOffsetTimestamp() : $datetime->date( 'Y-m-d' );
	}
	if ( ! empty( $args['date_after'] ) ) {
		$datetime   = wc_string_to_datetime( $args['date_after'] );
		$date_after = strpos( $args['date_after'], ':' ) ? $datetime->getOffsetTimestamp() : $datetime->date( 'Y-m-d' );
	}

	if ( $date_before && $date_after ) {
		$args['date_created'] = $date_after . '...' . $date_before;
	} elseif ( $date_before ) {
		$args['date_created'] = '<' . $date_before;
	} elseif ( $date_after ) {
		$args['date_created'] = '>' . $date_after;
	}

	$query = new WC_Order_Query( $args );
	return $query->get_orders();
}