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<?php var_dump(preg_match("/[0-9]{2}\:[0-9]{2}/", '23:00'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YISaj
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%5B0-9%5D%7B2%7D%5C%3A%5B0-9%5D%7B2%7D%2F'
         3        SEND_VAL                                                 '23%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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