PHP Parse error: syntax error, unexpected T_OBJECT_OPERATOR [duplicate]

PHP Parse error: syntax error, unexpected T_OBJECT_OPERATOR [duplicate]

This question is an exact duplicate of:
PHP Parse error: syntax error, unexpected T_OBJECT_OPERATOR [closed] 3
answers
I Get this strange error and I don't get where is the problem exactly
the code :
return "($targetTableAlias._discr <> 'News' AND
$targetTableAlias._discr <> 'IssueArticle' AND
$targetTableAlias._discr <> 'Event' AND
$targetTableAlias._discr <> 'Issue' AND
$targetTableAlias._discr <> 'Page'
) OR
( $targetTableAlias.datePublished IS NOT NULL AND
$targetTableAlias.datePublished <= '" . (new
\DateTime("now"))->format(\DateTime::ISO8601) . "'
<=== line 60
)";
and the error is :
PHP Parse error: syntax error, unexpected T_OBJECT_OPERATOR in
/var/www/something/src/thing/MyBundle/Security/Filter/CreativeWorkFilter.php
on line 60