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<?php var_dump(preg_match('/^\d{3}:\d{2}:\d{2}/', '010:00:00'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4pjsc
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%5Cd%7B3%7D%3A%5Cd%7B2%7D%3A%5Cd%7B2%7D%2F'
          3        SEND_VAL                                                 '010%3A00%3A00'
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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