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<?php $str = "5391898ad96363ea4f8b45ed";preg_match("~^[0-1a-f]+$~", $str, $z); var_dump($z);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pcgY3
function name:  (null)
number of ops:  10
compiled vars:  !0 = $str, !1 = $z
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '5391898ad96363ea4f8b45ed'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%7E%5E%5B0-1a-f%5D%2B%24%7E'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    3     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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