Get all subscribers emails from a list

mailchimp-get-subscriber-email-from-list.php

<?php

$api_key = 'YOUR API KEY';
$list_id = 'YOUR LIST ID';
$dc = substr($api_key,strpos($api_key,'-')+1); // us5, us8 etc
$args = array(
 	'headers' => array(
		'Authorization' => 'Basic ' . base64_encode( 'user:'. $api_key )
	)
);
$response = wp_remote_get( 'https://'.$dc.'.api.mailchimp.com/3.0/lists/'.$list_id.'/members/', $args );
$body = json_decode( wp_remote_retrieve_body( $response ) );
$emails = array();
 
if ( wp_remote_retrieve_response_code( $response ) == 200 ) {
	foreach ( $body->members as $member ) {
		if( $member->status != 'subscribed' )
			continue;
		$emails[] = $member->email_address;
	}
	print_r( $emails );
} else {
	echo '<b>' . wp_remote_retrieve_response_code( $response ) . wp_remote_retrieve_response_message( $response ) . ':</b> ' . $body->detail;
}