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<?php function der() { $name = 'cert_4'; return strpos($name, 'cert_') === 0; } var_dump(der());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5B4ik
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'der'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
          5      > RETURN                                                   1

Function der:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5B4ik
function name:  der
number of ops:  8
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'cert_4'
    4     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'cert_'
          4        DO_ICALL                                         $2      
          5        IS_IDENTICAL                                     ~3      $2, 0
          6      > RETURN                                                   ~3
    5     7*     > RETURN                                                   null

End of function der

Generated using Vulcan Logic Dumper, using php 8.0.0


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