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<?php $a=array(); for($i=0;$i<5;$i++) { $a[]=$i; } echo $a[0]; unset($a[0]); echo array_shift($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 3
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 3
Branch analysis from position: 8
Branch analysis from position: 3
filename:       /in/siFV7
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->6
    5     3    >   ASSIGN_DIM                                               !0
          4        OP_DATA                                                  !1
    3     5        PRE_INC                                                  !1
          6    >   IS_SMALLER                                               !1, 5
          7      > JMPNZ                                                    ~6, ->3
    8     8    >   FETCH_DIM_R                                      ~7      !0, 0
          9        ECHO                                                     ~7
    9    10        UNSET_DIM                                                !0, 0
   10    11        INIT_FCALL                                               'array_shift'
         12        SEND_REF                                                 !0
         13        DO_ICALL                                         $8      
         14        ECHO                                                     $8
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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