get_total_active_subscribers_for_tag.php

<?php

$response = get_total_active_subscribers_for_tag();

if ($response <> null and $response <> -1) {
		echo "\n\nTotal Subscribers for tag = " . $response;			
} else {
	//There were errors from the server
}

function get_total_active_subscribers_for_tag(){
	$url = "https://youraccountname.api-us1.com";	
	$api_key = "123456789012345678901234567890123456789012345678901234567890123456789012";
	$filters = http_build_query([
	  'tagid' => '187',
		'status' => '1',
		'limit' => '1',
		'orders[email]'=> 'ASC' //'DESC'
	]);

	$final_url = $url."/api/3/contacts/?".$filters;

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL,$final_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_HTTPHEADER, array("Api-Token: ".$api_key));
	curl_setopt($ch, CURLOPT_TIMEOUT, 10);
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
	$output = curl_exec($ch);
	curl_close($ch);
	$result = json_decode($output, true);
	
	//echo $result["meta"]["total"];
	
	if (ctype_digit($result["meta"]["total"])) {
	  return $result["meta"]["total"];
	} else {
		echo "There were errors from the server<br><br>\n\n";
		
		echo 'The entire <b>$output</b> printed out:<br />';
		echo '<pre>';
		print_r($output);
		echo '</pre>';

		echo 'Raw <b>$result</b> printed out:<br />';
		echo '<pre>';
		print_r($result);
		echo '</pre>';
		echo '<br /><br />';

		echo 'The entire <b>$ch</b> printed out:<br />';
		echo '<pre>';
		print_r($ch);
		echo '</pre>';
		
	  return -1;
	}	
}

?>