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<?php preg_match ('/^((8|\+7)[\- ]?)?(\(?\d{3}\)?[\- ]?)?[\d\- ]{7,10}$/', '213');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oUdmH
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%28%288%7C%5C%2B7%29%5B%5C-+%5D%3F%29%3F%28%5C%28%3F%5Cd%7B3%7D%5C%29%3F%5B%5C-+%5D%3F%29%3F%5B%5Cd%5C-+%5D%7B7%2C10%7D%24%2F'
          2        SEND_VAL                                                 '213'
          3        DO_ICALL                                                 
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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