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<?php function foo ( $a ) { var_dump( reset($a) ); } $a = array(1,2,3); var_dump( next($a) ); var_dump( current($a) ); foo($a); var_dump( current($a) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5RBdR
function name:  (null)
number of ops:  23
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'next'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
   10     7        INIT_FCALL                                               'var_dump'
          8        INIT_FCALL                                               'current'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $4      
         11        SEND_VAR                                                 $4
         12        DO_ICALL                                                 
   11    13        INIT_FCALL                                               'foo'
         14        SEND_VAR                                                 !0
         15        DO_FCALL                                      0          
   12    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'current'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $7      
         20        SEND_VAR                                                 $7
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5RBdR
function name:  foo
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'reset'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5        SEND_VAR                                                 $1
          6        DO_ICALL                                                 
    6     7      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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