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<?php $a = array(1,2,3,4); $save = reset($a); echo next($a); echo current($a)===$save; echo next($a); echo current($a)!==$save; echo next($a); echo current($a)===$save; echo next($a); echo current($a)===$save;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Hb7Ii
function name:  (null)
number of ops:  42
compiled vars:  !0 = $a, !1 = $save
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'reset'
          2        SEND_REF                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    4     5        INIT_FCALL                                               'next'
          6        SEND_REF                                                 !0
          7        DO_ICALL                                         $5      
          8        ECHO                                                     $5
    5     9        INIT_FCALL                                               'current'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $6      
         12        IS_IDENTICAL                                     ~7      !1, $6
         13        ECHO                                                     ~7
    6    14        INIT_FCALL                                               'next'
         15        SEND_REF                                                 !0
         16        DO_ICALL                                         $8      
         17        ECHO                                                     $8
    7    18        INIT_FCALL                                               'current'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $9      
         21        IS_NOT_IDENTICAL                                 ~10     !1, $9
         22        ECHO                                                     ~10
    8    23        INIT_FCALL                                               'next'
         24        SEND_REF                                                 !0
         25        DO_ICALL                                         $11     
         26        ECHO                                                     $11
    9    27        INIT_FCALL                                               'current'
         28        SEND_VAR                                                 !0
         29        DO_ICALL                                         $12     
         30        IS_IDENTICAL                                     ~13     !1, $12
         31        ECHO                                                     ~13
   10    32        INIT_FCALL                                               'next'
         33        SEND_REF                                                 !0
         34        DO_ICALL                                         $14     
         35        ECHO                                                     $14
   11    36        INIT_FCALL                                               'current'
         37        SEND_VAR                                                 !0
         38        DO_ICALL                                         $15     
         39        IS_IDENTICAL                                     ~16     !1, $15
         40        ECHO                                                     ~16
         41      > RETURN                                                   1

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