3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Вопрос: Как купить автомобиль безопасно ответ? Ответ: не ясен. Ответ: Прежде всего, нужно обратиться в компанию...'; $res = preg_replace('/.*(?=Ответ:)/u', '', $str); var_dump($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TtZcc
function name:  (null)
number of ops:  11
compiled vars:  !0 = $str, !1 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%D0%92%D0%BE%D0%BF%D1%80%D0%BE%D1%81%3A+%D0%9A%D0%B0%D0%BA+%D0%BA%D1%83%D0%BF%D0%B8%D1%82%D1%8C+%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%BE%D0%B1%D0%B8%D0%BB%D1%8C+%D0%B1%D0%B5%D0%B7%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D0%BE+%D0%BE%D1%82%D0%B2%D0%B5%D1%82%3F+%D0%9E%D1%82%D0%B2%D0%B5%D1%82%3A+%D0%BD%D0%B5+%D1%8F%D1%81%D0%B5%D0%BD.+%D0%9E%D1%82%D0%B2%D0%B5%D1%82%3A+%D0%9F%D1%80%D0%B5%D0%B6%D0%B4%D0%B5+%D0%B2%D1%81%D0%B5%D0%B3%D0%BE%2C+%D0%BD%D1%83%D0%B6%D0%BD%D0%BE+%D0%BE%D0%B1%D1%80%D0%B0%D1%82%D0%B8%D1%82%D1%8C%D1%81%D1%8F+%D0%B2+%D0%BA%D0%BE%D0%BC%D0%BF%D0%B0%D0%BD%D0%B8%D1%8E...'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F.%2A%28%3F%3D%D0%9E%D1%82%D0%B2%D0%B5%D1%82%3A%29%2Fu'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    5     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.54 ms | 1394 KiB | 17 Q