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<?php $hostname = 'http://yandex.ru'; var_dump(preg_match('/(yandex.ru|yandex.net|yandex.com)$/', $hostname));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKvZl
function name:  (null)
number of ops:  9
compiled vars:  !0 = $hostname
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Fyandex.ru'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%2F%28yandex.ru%7Cyandex.net%7Cyandex.com%29%24%2F'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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