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<?php print_r(preg_grep('/^P(?:REG|CRE)_/', get_defined_constants()));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Yptpk
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'preg_grep'
          2        SEND_VAL                                                 '%2F%5EP%28%3F%3AREG%7CCRE%29_%2F'
          3        INIT_FCALL                                               'get_defined_constants'
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                         $1      
          7        SEND_VAR                                                 $1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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