"unknown modifier "escape"

[blagynchy]

PHP Version 7.0.30-1+020180505045735.18+stretch1.gbpcfecb9
Linux spook 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64

PHP API | 20151012
PHP Extension | 20151012
Zend Extension | 320151012
Zend Extension Build | API320151012,NTS
PHP Extension Build | API20151012,NTS

.... just everyone to known for this error;