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<?php $s = "Bearer: 1234adfasdf"; preg_match('~Bearer\s(:P<access_token>\S+)~', $s, $m); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CdTeB
function name:  (null)
number of ops:  10
compiled vars:  !0 = $s, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Bearer%3A+1234adfasdf'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%7EBearer%5Cs%28%3AP%3Caccess_token%3E%5CS%2B%29%7E'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    4     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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