Removing echos in library set errors in error_log see #5306

main/inc/lib/phpmailer/class.phpmailer.php

@@ -451,7 +451,7 @@ class PHPMailer {
    */
   private function AddAnAddress($kind, $address, $name = '') {
     if (!preg_match('/^(to|cc|bcc|ReplyTo)$/', $kind)) {
-      echo 'Invalid recipient array: ' . kind;
+      error_log('Invalid recipient array: ' . $kind);
       return false;
     }
     $address = trim($address);
@@ -461,7 +461,7 @@ class PHPMailer {
       if ($this->exceptions) {
         throw new phpmailerException($this->Lang('invalid_address').': '.$address);
       }
-      echo $this->Lang('invalid_address').': '.$address;
+      error_log($this->Lang('invalid_address').': '.$address);
       return false;
     }
     if ($kind != 'ReplyTo') {
@@ -493,7 +493,7 @@ class PHPMailer {
       if ($this->exceptions) {
         throw new phpmailerException($this->Lang('invalid_address').': '.$address);
       }
-      echo $this->Lang('invalid_address').': '.$address;
+      error_log($this->Lang('invalid_address').': '.$address);
       return false;
     }
     $this->From = $address;
@@ -583,7 +583,6 @@ class PHPMailer {
       if ($this->exceptions) {
         throw $e;
       }
-      //echo $e->getMessage()."\n";
       return false;
     }
   }
@@ -1367,7 +1366,7 @@ class PHPMailer {
       if ($this->exceptions) {
         throw $e;
       }
-      echo $e->getMessage()."\n";
+      error_log($e->getMessage()."\n");
       if ( $e->getCode() == self::STOP_CRITICAL ) {
         return false;
       }