3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(2, 4, 8); doFoo($arr); print_r($arr); function doFoo($array) { foreach ($array as &$foo) { $foo += 1; echo '<pre>'.$foo.'</pre>'; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/k9CoT
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL_BY_NAME                                       'doFoo'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
    4     4        INIT_FCALL                                               'print_r'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   12     7      > RETURN                                                   1

Function dofoo:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/k9CoT
function name:  doFoo
number of ops:  10
compiled vars:  !0 = $array, !1 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    8     1      > FE_RESET_RW                                      $2      !0, ->8
          2    > > FE_FETCH_RW                                              $2, !1, ->8
    9     3    >   ASSIGN_OP                                     1          !1, 1
   10     4        CONCAT                                           ~4      '%3Cpre%3E', !1
          5        CONCAT                                           ~5      ~4, '%3C%2Fpre%3E'
          6        ECHO                                                     ~5
    8     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $2
   12     9      > RETURN                                                   null

End of function dofoo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.97 ms | 1395 KiB | 15 Q