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<?php $s = 'hello'; $f = 'strlen'; $f($s);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IOJQg
function name:  (null)
number of ops:  6
compiled vars:  !0 = $s, !1 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'hello'
    5     1        ASSIGN                                                   !1, 'strlen'
    6     2        INIT_DYNAMIC_CALL                                        !1
          3        SEND_VAR_EX                                              !0
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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