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<?php function my_name($name) { return ucfirst($name); } var_dump(@is_callable("my_name"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8D7gl
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        BEGIN_SILENCE                                    ~0      
          2        INIT_FCALL                                               'is_callable'
          3        SEND_VAL                                                 'my_name'
          4        DO_ICALL                                         $1      
          5        END_SILENCE                                              ~0
          6        SEND_VAR                                                 $1
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function my_name:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8D7gl
function name:  my_name
number of ops:  6
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'ucfirst'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
    5     5*     > RETURN                                                   null

End of function my_name

Generated using Vulcan Logic Dumper, using php 8.0.0


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