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<?php /*function add($a, $b){ return $a + $b; } echo add(2,3); function subtract ($a, $b){ return $a - $b; } echo subtract(5,4);*/ function concatenate($a, $b){ return $a . $b; } echo concatenate('Hello', 'Wie');
based on 9GGGj
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/29hgv
function name:  (null)
number of ops:  7
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  15     0  E >   NOP                                                      
  18     1        INIT_FCALL                                               'concatenate'
         2        SEND_VAL                                                 'Hello'
         3        SEND_VAL                                                 'Wie'
         4        DO_FCALL                                      0  $0      
         5        ECHO                                                     $0
         6      > RETURN                                                   1

Function concatenate:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/29hgv
function name:  concatenate
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  15     0  E >   RECV                                             !0      
         1        RECV                                             !1      
  16     2        CONCAT                                           ~2      !0, !1
         3      > RETURN                                                   ~2
  17     4*     > RETURN                                                   null

End of function concatenate

Generated using Vulcan Logic Dumper, using php 7.3.0