3v4l.org

run code in 300+ PHP versions simultaneously
<?php function spec($data) { return $data + 1; } function pagr($f, $d) { return $f($d); } var_dump(pagr('spec', 10));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kl0Nl
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'pagr'
          2        SEND_VAL                                                 'spec'
          3        SEND_VAL                                                 10
          4        DO_FCALL                                      0  $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function spec:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kl0Nl
function name:  spec
number of ops:  4
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        ADD                                              ~1      !0, 1
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function spec

Function pagr:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kl0Nl
function name:  pagr
number of ops:  7
compiled vars:  !0 = $f, !1 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_DYNAMIC_CALL                                        !0
          3        SEND_VAR_EX                                              !1
          4        DO_FCALL                                      0  $2      
          5      > RETURN                                                   $2
          6*     > RETURN                                                   null

End of function pagr

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.29 ms | 1398 KiB | 16 Q