Uses the binlist.net API to return a card's type. Edit the return for even boarder details

get_card_type.php

<?php 

function msp_get_card_type( $card_num ){
	/**
	 * Returns card type based on card number using public BIN API
	 * @param string $card_number
	 * @return string $card_type
	 */

	$ch = curl_init();

	// clean white spaces
	$card_num = preg_replace('/\s+/', '', $card_num);

	$host = "https://lookup.binlist.net/" . substr($card_num, 0, 8);

	curl_setopt($ch, CURLOPT_URL, $host);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

	$response = json_decode( curl_exec($ch) );
	
	return ucfirst( $response->scheme );
}