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<?php class obj implements arrayaccess { private $container = array(); public function __construct() { $this->container = array( "one" => 1, "two" => 2, "three" => 3, ); } public function offsetSet($offset, $value) { var_dump($offset); if (empty($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } } public function offsetExists($offset) { return isset($this->container[$offset]); } public function offsetUnset($offset) { unset($this->container[$offset]); } public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } $obj = new obj; $obj[] = 'Append 1'; print_r($obj);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  (null)
number of ops:  10
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_CLASS                                            'obj'
   35     1        NEW                                              $1      'obj'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   40     4        ASSIGN_DIM                                               !0
          5        OP_DATA                                                  'Append+1'
   42     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Class obj:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  __construct
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN_OBJ                                               'container'
    6     1        OP_DATA                                                  <array>
   10     2      > RETURN                                                   null

End of function __construct

Function offsetset:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  offsetSet
number of ops:  15
compiled vars:  !0 = $offset, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   12     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
   15     5        ISSET_ISEMPTY_CV                                         !0
          6      > JMPZ                                                     ~3, ->11
   16     7    >   FETCH_OBJ_W                                      $4      'container'
          8        ASSIGN_DIM                                               $4
          9        OP_DATA                                                  !1
         10      > JMP                                                      ->14
   18    11    >   FETCH_OBJ_W                                      $6      'container'
         12        ASSIGN_DIM                                               $6, !0
         13        OP_DATA                                                  !1
   20    14    > > RETURN                                                   null

End of function offsetset

Function offsetexists:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  offsetExists
number of ops:  5
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   RECV                                             !0      
   22     1        FETCH_OBJ_IS                                     ~1      'container'
          2        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      ~1, !0
          3      > RETURN                                                   ~2
   23     4*     > RETURN                                                   null

End of function offsetexists

Function offsetunset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  offsetUnset
number of ops:  4
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   24     0  E >   RECV                                             !0      
   25     1        FETCH_OBJ_UNSET                                  $1      'container'
          2        UNSET_DIM                                                $1, !0
   26     3      > RETURN                                                   null

End of function offsetunset

Function offsetget:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XlvTm
function name:  offsetGet
number of ops:  11
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   27     0  E >   RECV                                             !0      
   28     1        FETCH_OBJ_IS                                     ~1      'container'
          2        ISSET_ISEMPTY_DIM_OBJ                         0          ~1, !0
          3      > JMPZ                                                     ~2, ->8
          4    >   FETCH_OBJ_R                                      ~3      'container'
          5        FETCH_DIM_R                                      ~4      ~3, !0
          6        QM_ASSIGN                                        ~5      ~4
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~5      null
          9    > > RETURN                                                   ~5
   29    10*     > RETURN                                                   null

End of function offsetget

End of class obj.

Generated using Vulcan Logic Dumper, using php 8.0.0


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