Merge pull request #346 from jrfnl/feature/php-7.4-compatibility-implode

PHP 7.4 compatibility fix / implode argument order

library/Requests/Transport/fsockopen.php

@@ -192,7 +192,7 @@ public function request($url, $headers = array(), $data = array(), $options = ar
 		$headers = Requests::flatten($headers);
 
 		if (!empty($headers)) {
-			$out .= implode($headers, "\r\n") . "\r\n";
+			$out .= implode("\r\n", $headers) . "\r\n";
 		}
 
 		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));